agenttesla | f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780

General

Target

f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe
Size

3.8MB
MD5

56f465f72c1d03714aa6cedadcee54f1
SHA1

15c128e34eba74fc9d49333eec77a9af8dbf2b35
SHA256

f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780
SHA512

ea324c6d06448f1ef487cb597985280b8c57ab93ca4dca358961a5f2f0085ea833091fbe704b954003eca093aeb32a71dd07a4abe3e01ebdf14dacc4d8800d26
SSDEEP

49152:IrJtPEr7HuX1vWGgSppA3tfae4atH3Imc74mPbA30f6nty:IrJtPE+XjZy5tXlc7RPbbgy

Score

10^/10

agenttesla dcrat zgrat infostealer keylogger rat spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral1/memory/2940-11-0x0000000000400000-0x00000000007CE000-memory.dmp	family_zgrat_v1

Process spawned unexpected child process 21 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1704	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2684	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2752	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2788	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2944	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2344	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1828	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2068	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1540	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	988	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2120	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2124	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2508	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1580	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1196	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1136	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1036	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2396	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1888	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2240	2896	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2268	2896	schtasks.exe	34

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral1/memory/1936-24-0x000000001D0E0000-0x000000001D2F6000-memory.dmp	family_agenttesla

DCRat payload 5 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/files/0x0030000000016126-8.dat	dcrat
behavioral1/memory/2940-11-0x0000000000400000-0x00000000007CE000-memory.dmp	dcrat
behavioral1/files/0x0007000000016c3a-27.dat	dcrat
behavioral1/memory/2672-31-0x0000000000870000-0x0000000000946000-memory.dmp	dcrat
behavioral1/memory/2312-52-0x00000000000B0000-0x0000000000186000-memory.dmp	dcrat

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/2940-11-0x0000000000400000-0x00000000007CE000-memory.dmp	net_reactor

Executes dropped EXE 5 IoCs

pid	Process
1936	Free_changer_fix.exe
2580	grunge cheat softwsre 0.28.4.exe
1144	Process not Found
2672	chainProvider.exe
2312	explorer.exe

Loads dropped DLL 4 IoCs

pid	Process
2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe
2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe
2624	cmd.exe
2624	cmd.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\Windows Portable Devices\spoolsv.exe	chainProvider.exe
File created	C:\Program Files\Windows Portable Devices\f3b6ecef712a24	chainProvider.exe
File created	C:\Program Files\Uninstall Information\chainProvider.exe	chainProvider.exe
File created	C:\Program Files\Uninstall Information\ff98378685f85e	chainProvider.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\en-US\taskhost.exe	chainProvider.exe
File opened for modification	C:\Windows\en-US\taskhost.exe	chainProvider.exe
File created	C:\Windows\en-US\b75386f1303e64	chainProvider.exe
File created	C:\Windows\Prefetch\conhost.exe	chainProvider.exe
File created	C:\Windows\Prefetch\088424020bedd6	chainProvider.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 21 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2268	schtasks.exe
2684	schtasks.exe
2944	schtasks.exe
2068	schtasks.exe
1580	schtasks.exe
1888	schtasks.exe
2788	schtasks.exe
1828	schtasks.exe
1136	schtasks.exe
2396	schtasks.exe
2508	schtasks.exe
1036	schtasks.exe
1704	schtasks.exe
2752	schtasks.exe
1540	schtasks.exe
988	schtasks.exe
2240	schtasks.exe
2344	schtasks.exe
2120	schtasks.exe
2124	schtasks.exe
1196	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Free_changer_fix.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	Free_changer_fix.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	Free_changer_fix.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2672	chainProvider.exe
2672	chainProvider.exe
2672	chainProvider.exe
2672	chainProvider.exe
2672	chainProvider.exe
2312	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	Free_changer_fix.exe
Token: SeDebugPrivilege	2672	chainProvider.exe
Token: SeDebugPrivilege	2312	explorer.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 1936	2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe	28
PID 2940 wrote to memory of 1936	2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe	28
PID 2940 wrote to memory of 1936	2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe	28
PID 2940 wrote to memory of 1936	2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe	28
PID 2940 wrote to memory of 2580	2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe	29
PID 2940 wrote to memory of 2580	2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe	29
PID 2940 wrote to memory of 2580	2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe	29
PID 2940 wrote to memory of 2580	2940	f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe	29
PID 2580 wrote to memory of 2284	2580	grunge cheat softwsre 0.28.4.exe	30
PID 2580 wrote to memory of 2284	2580	grunge cheat softwsre 0.28.4.exe	30
PID 2580 wrote to memory of 2284	2580	grunge cheat softwsre 0.28.4.exe	30
PID 2580 wrote to memory of 2284	2580	grunge cheat softwsre 0.28.4.exe	30
PID 2284 wrote to memory of 2624	2284	WScript.exe	31
PID 2284 wrote to memory of 2624	2284	WScript.exe	31
PID 2284 wrote to memory of 2624	2284	WScript.exe	31
PID 2284 wrote to memory of 2624	2284	WScript.exe	31
PID 2624 wrote to memory of 2672	2624	cmd.exe	33
PID 2624 wrote to memory of 2672	2624	cmd.exe	33
PID 2624 wrote to memory of 2672	2624	cmd.exe	33
PID 2624 wrote to memory of 2672	2624	cmd.exe	33
PID 2672 wrote to memory of 2312	2672	chainProvider.exe	56
PID 2672 wrote to memory of 2312	2672	chainProvider.exe	56
PID 2672 wrote to memory of 2312	2672	chainProvider.exe	56

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe
"C:\Users\Admin\AppData\Local\Temp\f3dce07ef36310e3d43a014c12c02312797d1d1b42c841089e5f02b5a0165780.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\Free_changer_fix.exe
  "C:\Users\Admin\AppData\Local\Temp\Free_changer_fix.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:1936
- C:\Users\Admin\AppData\Local\Temp\grunge cheat softwsre 0.28.4.exe
  "C:\Users\Admin\AppData\Local\Temp\grunge cheat softwsre 0.28.4.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\msDriverSessionHost\myVrliqnAWGzbaQrrwFJCBOXabSQn5.vbe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2284
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\msDriverSessionHost\LoFbtYsm9QvENfKMo8zDNNjCY.bat" "
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:2624
    - - C:\msDriverSessionHost\chainProvider.exe
        
        "C:\msDriverSessionHost\chainProvider.exe"
        5⤵
        Executes dropped EXE
        Drops file in Program Files directory
        Drops file in Windows directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2672
      - C:\Users\All Users\Templates\explorer.exe
        
        "C:\Users\All Users\Templates\explorer.exe"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2312

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Windows\en-US\taskhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1704

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Windows\en-US\taskhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2684

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 11 /tr "'C:\Windows\en-US\taskhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2752

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Portable Devices\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2788

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2944

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Portable Devices\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2344

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 9 /tr "'C:\Windows\Prefetch\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1828

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Windows\Prefetch\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2068

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 12 /tr "'C:\Windows\Prefetch\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1540

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "chainProviderc" /sc MINUTE /mo 5 /tr "'C:\Program Files\Uninstall Information\chainProvider.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:988

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "chainProvider" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\chainProvider.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2120

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "chainProviderc" /sc MINUTE /mo 10 /tr "'C:\Program Files\Uninstall Information\chainProvider.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2124

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Users\All Users\Templates\explorer.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2508

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\All Users\Templates\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1580

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\Templates\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1196

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\Videos\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1136

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\Admin\Videos\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1036

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\Videos\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2396

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 5 /tr "'C:\Users\Public\Recorded TV\winlogon.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1888

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Users\Public\Recorded TV\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2240

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Users\Public\Recorded TV\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\msDriverSessionHost\LoFbtYsm9QvENfKMo8zDNNjCY.bat

Filesize
42B

MD5
ee69bea9cbdeacbb8865ca6e239a2f1c

SHA1
2245a6f63706dc238d9376062aa552ef03f6615e

SHA256
b0c0d34dc780e0780a2130e82e993478b8b0460a2c9443a36f87d2c289e675f4

SHA512
f038017e5ead4fa232ed831a6696b4af62635ea6875c8ef593e2ca5a52708e1065327a06cee3428732a8134b6b737b1832f77427b8f2671ba5cecbc822b69fb6

Download Submit
C:\msDriverSessionHost\myVrliqnAWGzbaQrrwFJCBOXabSQn5.vbe

Filesize
221B

MD5
85de50f9f320656763d04a59f18f358f

SHA1
8c20a881b25365729386add715a614f636022f3f

SHA256
3a16fb81412f2ec2c075911fe8c1dd78901d893edf13fef7697c8b40c9adf728

SHA512
c8dab3c9a3971d54aaf0463d8f22ea68203053294aaed1c3e629019c0dad77269761566ac8bc87c1fd88608a196b71b824c5e761c7faa2eaed51edd3d44b9011

Download Submit
\Users\Admin\AppData\Local\Temp\Free_changer_fix.exe

Filesize
2.7MB

MD5
182c8c85cd01c8e5152658f6f0b262a4

SHA1
ad1e862a5c335890ca7a3b4af6f674a614b228ca

SHA256
fbfba988983d2da82a6cce045873e45e3183bdc65af0cabf34dcb4e0201833cf

SHA512
c14af43c88859658be5482040f2e4ae5c1c8e2ef0618cebee4ad4a34b0fbf5638941f9b686e72e54f0ba2d6410ab34044b856d8cacf652cf8bbe0201f0ef1641

Download Submit
\Users\Admin\AppData\Local\Temp\grunge cheat softwsre 0.28.4.exe

Filesize
1.1MB

MD5
37066df7982d37cf9c751f3c0de6350e

SHA1
20bc6fb42d7d51d2984e92df4854a48aa980dfdb

SHA256
60f7ff42a1f78d26118a468f9a5845be288490bad1ccafaf41d6ddf7c2dcec68

SHA512
8e7c3a70826bf13c1028dd3f7c50ae9b891e7f542afd5c94fd6cdf365e37eb999043ff08aa900dc9e3057488a6116de8dcc8450528c93f792bb6640a932d2e08

Download Submit
\msDriverSessionHost\chainProvider.exe

Filesize
827KB

MD5
aacdc2fcb7887ae7c0343109672d2735

SHA1
d0d8e247ceee657826043200654f6c1e88392ff4

SHA256
9e7c7320ff8d2f9b898bfb76d4e6b87db347835f9cfe4a4a02243e3e7168d06c

SHA512
8f09d115557378e1aa5fce099782fe452647b1d170a6aae09f1ba961e45d09a8066d3212a11c623a5c3ad57d452d956b8b6d60b116a3e833a79be6b32121fd28

Download Submit
memory/1936-13-0x00000000001E0000-0x000000000048C000-memory.dmp

Filesize
2.7MB

Download
memory/1936-23-0x000000001CA00000-0x000000001CADA000-memory.dmp

Filesize
872KB

Download
memory/1936-24-0x000000001D0E0000-0x000000001D2F6000-memory.dmp

Filesize
2.1MB

Download
memory/2312-52-0x00000000000B0000-0x0000000000186000-memory.dmp

Filesize
856KB

Download
memory/2672-31-0x0000000000870000-0x0000000000946000-memory.dmp

Filesize
856KB

Download
memory/2940-11-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads