agenttesla | 6acdcae217a4ced672c050feb7fcd02333d8c08aca2a65a892ebb19ea4921c18

General

Target
DOC.exe
Size 902KB
Sample220125-j6p52scab7
SHA256 6acdcae217a4ced672c050feb7fcd02333d8c08aca2a65a892ebb19ea4921c18
MD5 966f74a54cbe1b2850725542d44888dc
SHA1 99cfff0772734d1d8d19b961f1908bcfde8cb741
SHA512 f2d36ce026ab38cacabbc1690894d391e4ebefdb8170571453e5da79d1c009f986da026e8210f375d39d2bbbef0ed400578fb6d0dee569edb7b49d8012f56186
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.scsgroups.com
Port
587
Username
[email protected]
Password
Scs@sales#123

Signatures

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

AgentTesla Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2184-124-0x0000000000400000-0x000000000043C000-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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	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-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3260 set thread context of 2184	3260	DOC.exe	71

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3260	DOC.exe
3260	DOC.exe
2184	RegSvcs.exe
2184	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3260	DOC.exe
Token: SeDebugPrivilege	2184	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2184	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 2184	3260	DOC.exe	71
PID 3260 wrote to memory of 2184	3260	DOC.exe	71
PID 3260 wrote to memory of 2184	3260	DOC.exe	71
PID 3260 wrote to memory of 2184	3260	DOC.exe	71
PID 3260 wrote to memory of 2184	3260	DOC.exe	71
PID 3260 wrote to memory of 2184	3260	DOC.exe	71
PID 3260 wrote to memory of 2184	3260	DOC.exe	71
PID 3260 wrote to memory of 2184	3260	DOC.exe	71

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DOC.exe
"C:\Users\Admin\AppData\Local\Temp\DOC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260
- 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
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2184

Network

MITRE ATT&CK Enterprise 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

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2184-124-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/2184-127-0x0000000005E30000-0x0000000005E96000-memory.dmp

Download

memory/2184-126-0x0000000005280000-0x0000000005298000-memory.dmp

Download

memory/2184-125-0x0000000002BA0000-0x0000000002CC0000-memory.dmp

Download

memory/3260-118-0x0000000005620000-0x000000000562A000-memory.dmp

Download

memory/3260-120-0x00000000058B0000-0x000000000594C000-memory.dmp

Download

memory/3260-121-0x0000000005BA0000-0x0000000005BAE000-memory.dmp

Download

memory/3260-122-0x000000007EEA0000-0x000000007EEA1000-memory.dmp

Download

memory/3260-123-0x00000000065E0000-0x000000000669A000-memory.dmp

Download

memory/3260-119-0x00000000055A0000-0x0000000005632000-memory.dmp

Download

memory/3260-115-0x0000000000D00000-0x0000000000DE8000-memory.dmp

Download

memory/3260-117-0x00000000056B0000-0x0000000005742000-memory.dmp

Download

memory/3260-116-0x0000000005BB0000-0x00000000060AE000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads