agenttesla | 9f5246d9c9dc30f30f1ad1ffaa3e3a5e4b81f51d2b9059527190cd3a55523eb1

General

Target

Payment Advice.exe
Size

1.1MB
MD5

e6fd86b4d700cf206695b3bc5d37401a
SHA1

967a7f18033fdfdae7d6768c4adbe8573e065a83
SHA256

9f5246d9c9dc30f30f1ad1ffaa3e3a5e4b81f51d2b9059527190cd3a55523eb1
SHA512

f22097cf9952e040152f470e7d21315e3444546cb2bfa6e7f0f8a46599f026107534208e44fcf3b6e47ad65924570b5736f1cbc4ee839edfa32f510adc845608

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.amarantbg.com
Port:
587
Username:
office@amarantbg.com
Password:
Office123

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/428-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/428-126-0x000000000043765E-mapping.dmp	family_agenttesla
behavioral2/memory/428-131-0x0000000005570000-0x0000000005A6E000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Advice.exe

description pid process target process

PID 4044 set thread context of 428 4044 Payment Advice.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

428 RegSvcs.exe
428 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment Advice.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4044 Payment Advice.exe
Token: SeDebugPrivilege 428 RegSvcs.exe

description	pid	process	target process
PID 4044 set thread context of 428	4044	Payment Advice.exe	RegSvcs.exe

pid	process
428	RegSvcs.exe
428	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4044	Payment Advice.exe
Token: SeDebugPrivilege	428	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Payment Advice.exe

description	pid	process	target process
PID 4044 wrote to memory of 428	4044	Payment Advice.exe	RegSvcs.exe
PID 4044 wrote to memory of 428	4044	Payment Advice.exe	RegSvcs.exe
PID 4044 wrote to memory of 428	4044	Payment Advice.exe	RegSvcs.exe
PID 4044 wrote to memory of 428	4044	Payment Advice.exe	RegSvcs.exe
PID 4044 wrote to memory of 428	4044	Payment Advice.exe	RegSvcs.exe
PID 4044 wrote to memory of 428	4044	Payment Advice.exe	RegSvcs.exe
PID 4044 wrote to memory of 428	4044	Payment Advice.exe	RegSvcs.exe
PID 4044 wrote to memory of 428	4044	Payment Advice.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044

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:428

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/428-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/428-133-0x00000000062D0000-0x00000000062D1000-memory.dmp

Filesize
4KB

Download
memory/428-132-0x0000000005A40000-0x0000000005A41000-memory.dmp

Filesize
4KB

Download
memory/428-131-0x0000000005570000-0x0000000005A6E000-memory.dmp

Filesize
5.0MB

Download
memory/428-126-0x000000000043765E-mapping.dmp

Download
memory/4044-121-0x0000000007770000-0x000000000780C000-memory.dmp

Filesize
624KB

Download
memory/4044-114-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/4044-122-0x0000000007D60000-0x0000000007D64000-memory.dmp

Filesize
16KB

Download
memory/4044-123-0x0000000001330000-0x00000000013F9000-memory.dmp

Filesize
804KB

Download
memory/4044-124-0x0000000001400000-0x0000000001490000-memory.dmp

Filesize
576KB

Download
memory/4044-120-0x0000000007AB0000-0x0000000007AB1000-memory.dmp

Filesize
4KB

Download
memory/4044-119-0x00000000078D0000-0x00000000078D1000-memory.dmp

Filesize
4KB

Download
memory/4044-118-0x0000000007950000-0x0000000007951000-memory.dmp

Filesize
4KB

Download
memory/4044-117-0x0000000007DB0000-0x0000000007DB1000-memory.dmp

Filesize
4KB

Download
memory/4044-116-0x0000000007810000-0x0000000007811000-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