agenttesla | b04dc35a8144fff2f2506da1a61471a505f84832545c96bd2e2d3d741a2eafb1

General

Target

Swiq7jfYQ3Wi3x8.exe
Size

502KB
MD5

a6acb89b4a2941b7060b006034447d96
SHA1

87692775b716269bce60515041030854aabbafa7
SHA256

3168af462696c8edf2bb2ab1537782ca60135573d977c6d3264ca2069871d9b5
SHA512

ffb9e8c7ba28575930f58999254ae06a2042011457ac1ae8860e083139b36a8e6069e6a3bfe9aca666728cffcb82378ec18c11223e97d1eb5505befd4ec2f870

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cpworldindia.com
Port:
587
Username:
[email protected]
Password:
bopo@2014

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/1008-138-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Swiq7jfYQ3Wi3x8.exe

description pid process target process

PID 3124 set thread context of 1008 3124 Swiq7jfYQ3Wi3x8.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1664 1008 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

4892 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1008 RegSvcs.exe
1008 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1008 RegSvcs.exe

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

description	pid	process	target process
PID 3124 set thread context of 1008	3124	Swiq7jfYQ3Wi3x8.exe	RegSvcs.exe

pid	pid_target	process	target process
1664	1008	WerFault.exe	RegSvcs.exe

pid	process
4892	REG.exe

pid	process
1008	RegSvcs.exe
1008	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1008	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Swiq7jfYQ3Wi3x8.exeRegSvcs.exe

description	pid	process	target process
PID 3124 wrote to memory of 1008	3124	Swiq7jfYQ3Wi3x8.exe	RegSvcs.exe
PID 3124 wrote to memory of 1008	3124	Swiq7jfYQ3Wi3x8.exe	RegSvcs.exe
PID 3124 wrote to memory of 1008	3124	Swiq7jfYQ3Wi3x8.exe	RegSvcs.exe
PID 3124 wrote to memory of 1008	3124	Swiq7jfYQ3Wi3x8.exe	RegSvcs.exe
PID 3124 wrote to memory of 1008	3124	Swiq7jfYQ3Wi3x8.exe	RegSvcs.exe
PID 3124 wrote to memory of 1008	3124	Swiq7jfYQ3Wi3x8.exe	RegSvcs.exe
PID 3124 wrote to memory of 1008	3124	Swiq7jfYQ3Wi3x8.exe	RegSvcs.exe
PID 3124 wrote to memory of 1008	3124	Swiq7jfYQ3Wi3x8.exe	RegSvcs.exe
PID 1008 wrote to memory of 4892	1008	RegSvcs.exe	REG.exe
PID 1008 wrote to memory of 4892	1008	RegSvcs.exe	REG.exe
PID 1008 wrote to memory of 4892	1008	RegSvcs.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\Swiq7jfYQ3Wi3x8.exe
"C:\Users\Admin\AppData\Local\Temp\Swiq7jfYQ3Wi3x8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3124

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 1572
3⤵
- Program crash
PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1008 -ip 1008
1⤵
PID:1996

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1008-137-0x0000000000000000-mapping.dmp

Download
memory/1008-138-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1008-139-0x0000000005BA0000-0x0000000005C06000-memory.dmp

Filesize
408KB

Download
memory/1008-141-0x0000000006780000-0x00000000067D0000-memory.dmp

Filesize
320KB

Download
memory/3124-132-0x00000000002F0000-0x0000000000374000-memory.dmp

Filesize
528KB

Download
memory/3124-133-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/3124-134-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/3124-135-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

Filesize
40KB

Download
memory/3124-136-0x00000000086B0000-0x000000000874C000-memory.dmp

Filesize
624KB

Download
memory/4892-140-0x0000000000000000-mapping.dmp

Download

Analysis

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