agenttesla | 936fa9d5f9708a96f2e8cc270deb24518d047450e0618c6c22753d97a7589177

General

Target

Scan copy_001.exe
Size

947KB
MD5

45d964682ea37a0809803e813638017f
SHA1

9d6c3495865736235e55d8384832e9f09cb70896
SHA256

b7ee1c6ebcc9675e5e1e3743b03a712c5e789f9b456275c05b35502bea6131e6
SHA512

e4b2d060dd4066534cc6c8e726f7e41e637ad6a0203dc36c59d75eb136a366695adcbe363eb8627e4df46f659821d6fea85995c28686dd2453aa14ba4a727356
SSDEEP

12288:ZXQZnf1pZRNtMLHK7zMWM9IZoFhK5zM66MXo8QR8T+JqS25lsxW9gf+NLIRljvfm:efXTs9Ktl7Yf2SoPfsMdIR9h

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.shivsundaram.com
Port:
587
Username:
[email protected]
Password:
hemant@10023

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/116-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Scan copy_001.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	Scan copy_001.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Scan copy_001.exe

description pid process target process

PID 1404 set thread context of 116 1404 Scan copy_001.exe RegSvcs.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1964 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Scan copy_001.exeRegSvcs.exe

pid process

1404 Scan copy_001.exe
1404 Scan copy_001.exe
1404 Scan copy_001.exe
1404 Scan copy_001.exe
116 RegSvcs.exe
116 RegSvcs.exe
116 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Scan copy_001.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1404 Scan copy_001.exe
Token: SeDebugPrivilege 116 RegSvcs.exe

description	pid	process	target process
PID 1404 set thread context of 116	1404	Scan copy_001.exe	RegSvcs.exe

pid	process
1964	schtasks.exe

pid	process
1404	Scan copy_001.exe
1404	Scan copy_001.exe
1404	Scan copy_001.exe
1404	Scan copy_001.exe
116	RegSvcs.exe
116	RegSvcs.exe
116	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1404	Scan copy_001.exe
Token: SeDebugPrivilege	116	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Scan copy_001.exe

description	pid	process	target process
PID 1404 wrote to memory of 1964	1404	Scan copy_001.exe	schtasks.exe
PID 1404 wrote to memory of 1964	1404	Scan copy_001.exe	schtasks.exe
PID 1404 wrote to memory of 1964	1404	Scan copy_001.exe	schtasks.exe
PID 1404 wrote to memory of 2840	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 2840	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 2840	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 116	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 116	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 116	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 116	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 116	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 116	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 116	1404	Scan copy_001.exe	RegSvcs.exe
PID 1404 wrote to memory of 116	1404	Scan copy_001.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Scan copy_001.exe
"C:\Users\Admin\AppData\Local\Temp\Scan copy_001.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FcKakBL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B28.tmp"
2⤵
- Creates scheduled task(s)
PID:1964

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:2840

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:116

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:2316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4B28.tmp
Filesize
1KB

MD5
02e0133376049025e81dde9d3c66c32f

SHA1
07f2ea0d5788340241c57ccec27d581b45f388f2

SHA256
f27e9c969270a9689d468149cb9e15b6539c190fab25fe614ed3089433c72779

SHA512
3c0514169131f55fb3ff6c64304e44cdbb4b871f252b447fc295478cf46cdbd404ca2731d908b15b9e2ef7a380d1485b43db2369949d59e86e43aa0377f23183

Download Submit
memory/116-27-0x0000000005100000-0x0000000005110000-memory.dmp

Filesize
64KB

Download
memory/116-26-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/116-24-0x0000000005EE0000-0x0000000005F46000-memory.dmp

Filesize
408KB

Download
memory/116-23-0x0000000005170000-0x0000000005188000-memory.dmp

Filesize
96KB

Download
memory/116-21-0x0000000005100000-0x0000000005110000-memory.dmp

Filesize
64KB

Download
memory/116-20-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/116-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1404-5-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1404-6-0x00000000057B0000-0x00000000057BA000-memory.dmp

Filesize
40KB

Download
memory/1404-10-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1404-11-0x0000000001570000-0x0000000001612000-memory.dmp

Filesize
648KB

Download
memory/1404-12-0x00000000014D0000-0x000000000150C000-memory.dmp

Filesize
240KB

Download
memory/1404-8-0x0000000007280000-0x0000000007296000-memory.dmp

Filesize
88KB

Download
memory/1404-7-0x0000000005B00000-0x0000000005B56000-memory.dmp

Filesize
344KB

Download
memory/1404-9-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1404-0-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1404-22-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1404-4-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/1404-3-0x0000000005E70000-0x0000000006414000-memory.dmp

Filesize
5.6MB

Download
memory/1404-2-0x0000000005820000-0x00000000058BC000-memory.dmp

Filesize
624KB

Download
memory/1404-1-0x0000000000CD0000-0x0000000000DC4000-memory.dmp

Filesize
976KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads