agenttesla | 582c09cb88106231b13574cb3bc848cea346558a985bd13d1ccd8031a5a2a0db

General

Target

qt8hpBzVEeH1O8B.exe
Size

477KB
MD5

f8c833483ed462c778e1ca98cc9b4e48
SHA1

881d60f55cd7dcba349080e50dcc3249a2acfadf
SHA256

dff01b9f8946ed3792fe4e32ae3f95834c892f16ca219dc99d78fd15064f82a2
SHA512

03f1635e7121c4b3f6d1fa4386cee1d15e9b1a3c51c93dff876bb7429d0fc4d6437bd1fcfc97b39a406900203f0664109d673f46b1b18741ea4d62a25697467a

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/2448-137-0x0000000000400000-0x0000000000452000-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:

qt8hpBzVEeH1O8B.exe

description pid process target process

PID 1436 set thread context of 2448 1436 qt8hpBzVEeH1O8B.exe RegSvcs.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

220 2448 WerFault.exe RegSvcs.exe
1296 2448 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

712 REG.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

qt8hpBzVEeH1O8B.exeRegSvcs.exe

pid process

1436 qt8hpBzVEeH1O8B.exe
1436 qt8hpBzVEeH1O8B.exe
2448 RegSvcs.exe
2448 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

qt8hpBzVEeH1O8B.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1436 qt8hpBzVEeH1O8B.exe
Token: SeDebugPrivilege 2448 RegSvcs.exe

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

description	pid	process	target process
PID 1436 set thread context of 2448	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe

pid	pid_target	process	target process
220	2448	WerFault.exe	RegSvcs.exe
1296	2448	WerFault.exe	RegSvcs.exe

pid	process
712	REG.exe

pid	process
1436	qt8hpBzVEeH1O8B.exe
1436	qt8hpBzVEeH1O8B.exe
2448	RegSvcs.exe
2448	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1436	qt8hpBzVEeH1O8B.exe
Token: SeDebugPrivilege	2448	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

qt8hpBzVEeH1O8B.exeRegSvcs.exe

description	pid	process	target process
PID 1436 wrote to memory of 2360	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2360	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2360	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2448	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2448	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2448	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2448	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2448	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2448	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2448	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 1436 wrote to memory of 2448	1436	qt8hpBzVEeH1O8B.exe	RegSvcs.exe
PID 2448 wrote to memory of 712	2448	RegSvcs.exe	REG.exe
PID 2448 wrote to memory of 712	2448	RegSvcs.exe	REG.exe
PID 2448 wrote to memory of 712	2448	RegSvcs.exe	REG.exe
PID 2448 wrote to memory of 220	2448	RegSvcs.exe	WerFault.exe
PID 2448 wrote to memory of 220	2448	RegSvcs.exe	WerFault.exe
PID 2448 wrote to memory of 220	2448	RegSvcs.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\qt8hpBzVEeH1O8B.exe
"C:\Users\Admin\AppData\Local\Temp\qt8hpBzVEeH1O8B.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:2360

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:2448

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:712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1552
3⤵
- Program crash
PID:220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1552
3⤵
- Program crash
PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2448 -ip 2448
1⤵
PID:5028

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/220-141-0x0000000000000000-mapping.dmp

Download
memory/712-139-0x0000000000000000-mapping.dmp

Download
memory/1436-130-0x0000000000BA0000-0x0000000000C1E000-memory.dmp

Filesize
504KB

Download
memory/1436-131-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/1436-132-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/1436-133-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/1436-134-0x00000000062F0000-0x000000000638C000-memory.dmp

Filesize
624KB

Download
memory/2360-135-0x0000000000000000-mapping.dmp

Download
memory/2448-136-0x0000000000000000-mapping.dmp

Download
memory/2448-137-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2448-138-0x0000000005960000-0x00000000059C6000-memory.dmp

Filesize
408KB

Download
memory/2448-140-0x0000000006510000-0x0000000006560000-memory.dmp

Filesize
320KB

Download

Analysis

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