agenttesla | 4156d141ecd566aebb51846c4a8124c4f5923970d48cdfb53f6e3e37ca774268

General

Target

TRANSFER.scr
Size

571KB
MD5

b21c5e9a0e9846d44a674f7822c0a1f2
SHA1

de3807ac88680dcc6146c76db7a174e4411ab078
SHA256

f8489030f3c79639a56320cdd06179b2f3cf280824cd80d8b3c333c8aabd3d9f
SHA512

c5a18cf1dd2d3441f08445f585eddf63ebb179edcfd4470c147d16c6fe58ccf55bcf88d32884ca7a49e88354edd20c5193835e323e87edaed212b3232a20cfa8

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.northwestpowdercoating.co.uk
Port:
587
Username:
[email protected]
Password:
C^0z.^LxykTW

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/992-138-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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:

TRANSFER.scr

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	TRANSFER.scr

Suspicious use of SetThreadContext 1 IoCs

Processes:

TRANSFER.scr

description pid process target process

PID 3524 set thread context of 992 3524 TRANSFER.scr TRANSFER.scr
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

1556 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

TRANSFER.scrTRANSFER.scr

pid process

3524 TRANSFER.scr
3524 TRANSFER.scr
3524 TRANSFER.scr
3524 TRANSFER.scr
992 TRANSFER.scr
992 TRANSFER.scr
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TRANSFER.scrTRANSFER.scr

description pid process

Token: SeDebugPrivilege 3524 TRANSFER.scr
Token: SeDebugPrivilege 992 TRANSFER.scr

description	pid	process	target process
PID 3524 set thread context of 992	3524	TRANSFER.scr	TRANSFER.scr

pid	process
1556	schtasks.exe

pid	process
3524	TRANSFER.scr
3524	TRANSFER.scr
3524	TRANSFER.scr
3524	TRANSFER.scr
992	TRANSFER.scr
992	TRANSFER.scr

description	pid	process
Token: SeDebugPrivilege	3524	TRANSFER.scr
Token: SeDebugPrivilege	992	TRANSFER.scr

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

TRANSFER.scr

description	pid	process	target process
PID 3524 wrote to memory of 1556	3524	TRANSFER.scr	schtasks.exe
PID 3524 wrote to memory of 1556	3524	TRANSFER.scr	schtasks.exe
PID 3524 wrote to memory of 1556	3524	TRANSFER.scr	schtasks.exe
PID 3524 wrote to memory of 992	3524	TRANSFER.scr	TRANSFER.scr
PID 3524 wrote to memory of 992	3524	TRANSFER.scr	TRANSFER.scr
PID 3524 wrote to memory of 992	3524	TRANSFER.scr	TRANSFER.scr
PID 3524 wrote to memory of 992	3524	TRANSFER.scr	TRANSFER.scr
PID 3524 wrote to memory of 992	3524	TRANSFER.scr	TRANSFER.scr
PID 3524 wrote to memory of 992	3524	TRANSFER.scr	TRANSFER.scr
PID 3524 wrote to memory of 992	3524	TRANSFER.scr	TRANSFER.scr
PID 3524 wrote to memory of 992	3524	TRANSFER.scr	TRANSFER.scr

C:\Users\Admin\AppData\Local\Temp\TRANSFER.scr
"C:\Users\Admin\AppData\Local\Temp\TRANSFER.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp679E.tmp"
2⤵
- Creates scheduled task(s)
PID:1556

C:\Users\Admin\AppData\Local\Temp\TRANSFER.scr
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:992

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TRANSFER.scr.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp679E.tmp
Filesize
1KB

MD5
072541fbcc0f05e7e00afb8876087822

SHA1
0a1a6ad25a4a546520fe21bed23b4dd56f5ea7f5

SHA256
8a98b2e2084e096028123a79228bc1b11f12179aecfbe53759b3e0805f973116

SHA512
07074f512ee920a787af3d49d982795121051cc5cd1ce01d115aab63cd800fd58f2f57e73dafb96151e57ada9d2e407e370abc9c56d8ab604d118dad93c1412d

Download Submit
memory/992-137-0x0000000000000000-mapping.dmp

Download
memory/992-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/992-140-0x0000000005680000-0x00000000056E6000-memory.dmp

Filesize
408KB

Download
memory/1556-135-0x0000000000000000-mapping.dmp

Download
memory/3524-130-0x0000000000980000-0x0000000000A14000-memory.dmp

Filesize
592KB

Download
memory/3524-131-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/3524-132-0x00000000053D0000-0x0000000005462000-memory.dmp

Filesize
584KB

Download
memory/3524-133-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/3524-134-0x0000000008C00000-0x0000000008C9C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads