agenttesla | 731d4912db7dffdbdad671f3606fcdf1aa28bc081f13a12dc59b08cafbb5e944

General

Target

incorrect bank accountdetails.exe
Size

1015KB
MD5

16ac48b497b41ed5c7c91151db5cb1bd
SHA1

63e1e2fbad01c5bde26f5d0a03c7ff67be1f9de3
SHA256

731d4912db7dffdbdad671f3606fcdf1aa28bc081f13a12dc59b08cafbb5e944
SHA512

13a5d6aecf1d1acbd5015f9d79e7342c426492ab277be1a929cc5132769eff1021a5d46161fb61e991807b9a2ecdebbc67d50210391507b4d3421fa947ee5b2a

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.mdist.us
Port:
587
Username:
ln@mdist.us
Password:
Ln#4321

Signatures

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

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral2/memory/1540-133-0x00000000057A0000-0x0000000005C9E000-memory.dmp	disable_win_def

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1540-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1540-127-0x000000000043785E-mapping.dmp	family_agenttesla
behavioral2/memory/1540-133-0x00000000057A0000-0x0000000005C9E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

incorrect bank accountdetails.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts incorrect bank accountdetails.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

incorrect bank accountdetails.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ppptOL = "C:\\Users\\Admin\\AppData\\Roaming\\ppptOL\\ppptOL.exe"	incorrect bank accountdetails.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

incorrect bank accountdetails.exe

description pid process target process

PID 636 set thread context of 1540 636 incorrect bank accountdetails.exe incorrect bank accountdetails.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

628 schtasks.exe

description	pid	process	target process
PID 636 set thread context of 1540	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe

pid	process
628	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

incorrect bank accountdetails.exeincorrect bank accountdetails.exe

pid	process
636	incorrect bank accountdetails.exe
636	incorrect bank accountdetails.exe
1540	incorrect bank accountdetails.exe
1540	incorrect bank accountdetails.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

incorrect bank accountdetails.exeincorrect bank accountdetails.exe

description pid process

Token: SeDebugPrivilege 636 incorrect bank accountdetails.exe
Token: SeDebugPrivilege 1540 incorrect bank accountdetails.exe

description	pid	process
Token: SeDebugPrivilege	636	incorrect bank accountdetails.exe
Token: SeDebugPrivilege	1540	incorrect bank accountdetails.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

incorrect bank accountdetails.exe

description	pid	process	target process
PID 636 wrote to memory of 628	636	incorrect bank accountdetails.exe	schtasks.exe
PID 636 wrote to memory of 628	636	incorrect bank accountdetails.exe	schtasks.exe
PID 636 wrote to memory of 628	636	incorrect bank accountdetails.exe	schtasks.exe
PID 636 wrote to memory of 1320	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1320	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1320	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1540	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1540	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1540	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1540	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1540	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1540	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1540	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe
PID 636 wrote to memory of 1540	636	incorrect bank accountdetails.exe	incorrect bank accountdetails.exe

C:\Users\Admin\AppData\Local\Temp\incorrect bank accountdetails.exe
"C:\Users\Admin\AppData\Local\Temp\incorrect bank accountdetails.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CcLEiYgvTqC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D96.tmp"
2⤵
- Creates scheduled task(s)
PID:628

C:\Users\Admin\AppData\Local\Temp\incorrect bank accountdetails.exe
"{path}"
2⤵
PID:1320

C:\Users\Admin\AppData\Local\Temp\incorrect bank accountdetails.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\incorrect bank accountdetails.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3D96.tmp
MD5
90ad60d43192c70c118aeb41f88d6064

SHA1
ceaa17a6432338370ee80c1d603bde805138e964

SHA256
c02886a2da4d6730c6b19fe9d7be6fb2d8984dfdbe17cf0df4969a21b790ffb0

SHA512
d3b0d43e16184ccbdb97e8280e216f744f807e5bd7f291c38a0d9a84e0925c322915ae3ec946a22f86ce2366ec47e8689060dc2b186e6860b1bb8d2d577464a1

Download Submit
memory/628-124-0x0000000000000000-mapping.dmp

Download
memory/636-123-0x0000000005E10000-0x0000000005E68000-memory.dmp

Filesize
352KB

Download
memory/636-117-0x0000000007870000-0x0000000007871000-memory.dmp

Filesize
4KB

Download
memory/636-120-0x000000000AD70000-0x000000000AD71000-memory.dmp

Filesize
4KB

Download
memory/636-121-0x0000000002DA0000-0x0000000002DAE000-memory.dmp

Filesize
56KB

Download
memory/636-122-0x00000000057A0000-0x000000000583C000-memory.dmp

Filesize
624KB

Download
memory/636-114-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/636-118-0x0000000007860000-0x0000000007861000-memory.dmp

Filesize
4KB

Download
memory/636-119-0x00000000077D0000-0x0000000007CCE000-memory.dmp

Filesize
5.0MB

Download
memory/636-116-0x0000000007CD0000-0x0000000007CD1000-memory.dmp

Filesize
4KB

Download
memory/1540-127-0x000000000043785E-mapping.dmp

Download
memory/1540-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1540-133-0x00000000057A0000-0x0000000005C9E000-memory.dmp

Filesize
5.0MB

Download
memory/1540-134-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/1540-135-0x0000000006440000-0x0000000006441000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads