agenttesla | bd115472bed125868b42e8cf0c5972dfcb875c587f292efd4290a500c4e9adbc

Analysis

max time kernel
144s
max time network
140s
platform
windows10_x64
resource
win10-en-20210920
submitted
30/09/2021, 03:17

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General

Target
PN09876750060887.exe
Size 863KB
Sample210930-ds37vsgca6
SHA256 bd115472bed125868b42e8cf0c5972dfcb875c587f292efd4290a500c4e9adbc
MD5 1882f95a43cd0ef8ef2dbf7237fbf0c5
SHA1 917651a39851ad2f3416a2aa66ad25b0067b3b20
SHA512 30f10fe2c9f22d1739adcf18ae56dc627a15a772c7aa7b824a5cad3e1a4fb2e7ff674c9f1e216809d137e41d8d26d753e77e11a8094d36f1f5323cde2fde18c3
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot1335107831:AAGZPoo67JukV78LJI16BeQqy3whx-zI59g/sendDocument

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral2/memory/704-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/704-126-0x000000000043776E-mapping.dmp	family_agenttesla
behavioral2/memory/704-131-0x0000000005790000-0x0000000005C8E000-memory.dmp	family_agenttesla
behavioral2/memory/704-136-0x0000000005790000-0x0000000005C8E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\hZYWq = "C:\\Users\\Admin\\AppData\\Roaming\\hZYWq\\hZYWq.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3704 set thread context of 704	3704	PN09876750060887.exe	72

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3704	PN09876750060887.exe
3704	PN09876750060887.exe
3704	PN09876750060887.exe
3704	PN09876750060887.exe
3704	PN09876750060887.exe
704	RegSvcs.exe
704	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3704	PN09876750060887.exe
Token: SeDebugPrivilege	704	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 756	3704	PN09876750060887.exe	70
PID 3704 wrote to memory of 756	3704	PN09876750060887.exe	70
PID 3704 wrote to memory of 756	3704	PN09876750060887.exe	70
PID 3704 wrote to memory of 788	3704	PN09876750060887.exe	71
PID 3704 wrote to memory of 788	3704	PN09876750060887.exe	71
PID 3704 wrote to memory of 788	3704	PN09876750060887.exe	71
PID 3704 wrote to memory of 704	3704	PN09876750060887.exe	72
PID 3704 wrote to memory of 704	3704	PN09876750060887.exe	72
PID 3704 wrote to memory of 704	3704	PN09876750060887.exe	72
PID 3704 wrote to memory of 704	3704	PN09876750060887.exe	72
PID 3704 wrote to memory of 704	3704	PN09876750060887.exe	72
PID 3704 wrote to memory of 704	3704	PN09876750060887.exe	72
PID 3704 wrote to memory of 704	3704	PN09876750060887.exe	72
PID 3704 wrote to memory of 704	3704	PN09876750060887.exe	72

C:\Users\Admin\AppData\Local\Temp\PN09876750060887.exe
"C:\Users\Admin\AppData\Local\Temp\PN09876750060887.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3704
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:756
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:788
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/704-125-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/704-136-0x0000000005790000-0x0000000005C8E000-memory.dmp

Download

memory/704-133-0x0000000006580000-0x0000000006581000-memory.dmp

Download

memory/704-132-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

Download

memory/704-131-0x0000000005790000-0x0000000005C8E000-memory.dmp

Download

memory/3704-119-0x0000000005030000-0x0000000005031000-memory.dmp

Download

memory/3704-123-0x0000000009260000-0x00000000092D5000-memory.dmp

Download

memory/3704-124-0x00000000092E0000-0x0000000009318000-memory.dmp

Download

memory/3704-122-0x00000000049D0000-0x00000000049DE000-memory.dmp

Download

memory/3704-121-0x0000000004F10000-0x0000000004F11000-memory.dmp

Download

memory/3704-120-0x0000000005030000-0x000000000552E000-memory.dmp

Download

memory/3704-115-0x0000000000620000-0x0000000000621000-memory.dmp

Download

memory/3704-118-0x0000000004F50000-0x0000000004F51000-memory.dmp

Download

memory/3704-117-0x0000000005530000-0x0000000005531000-memory.dmp

Download