agenttesla | fbaf8a59ed3c6d18566b7e254f772870841bfd26224c5e851b7361eb892a4f35

General

Target

Hesap hesaphareketi-01.exe
Size

609KB
MD5

83c0f36678a5e58ebf700975abed6694
SHA1

a91107d56aeafc100f1986421d2d487bdeacafa8
SHA256

fbaf8a59ed3c6d18566b7e254f772870841bfd26224c5e851b7361eb892a4f35
SHA512

fb0be5cafb518286bde8062a746802b4d7a7aaf25c28ff167b5026b947ba81cf8964cfbb1f11a0b462f57ac1e0a58180897eb6f5af0102f8d59184e20ab90b65
SSDEEP

12288:E9Y2gi0zawwRO3XJWV47YLuzfG5XtOOdh6KbMhawlAUh:E9YJzBH4MA59zdE4MhawZ

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
business29.web-hosting.com
Port:
587
Username:
[email protected]
Password:
7.s8.{OnUP(S
Email To:
[email protected]

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

CasPol.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\AWcZJz = "C:\\Users\\Admin\\AppData\\Roaming\\AWcZJz\\AWcZJz.exe"	CasPol.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.ipify.org
3 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Hesap hesaphareketi-01.exe

description pid process target process

PID 2964 set thread context of 2444 2964 Hesap hesaphareketi-01.exe CasPol.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CasPol.exe

pid process

2444 CasPol.exe
2444 CasPol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CasPol.exe

description pid process

Token: SeDebugPrivilege 2444 CasPol.exe

flow	ioc
2	api.ipify.org
3	api.ipify.org

description	pid	process	target process
PID 2964 set thread context of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe

pid	process
2444	CasPol.exe
2444	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	2444	CasPol.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Hesap hesaphareketi-01.exe

description	pid	process	target process
PID 2964 wrote to memory of 2140	2964	Hesap hesaphareketi-01.exe	msbuild.exe
PID 2964 wrote to memory of 2140	2964	Hesap hesaphareketi-01.exe	msbuild.exe
PID 2964 wrote to memory of 2140	2964	Hesap hesaphareketi-01.exe	msbuild.exe
PID 2964 wrote to memory of 2140	2964	Hesap hesaphareketi-01.exe	msbuild.exe
PID 2964 wrote to memory of 2140	2964	Hesap hesaphareketi-01.exe	msbuild.exe
PID 2964 wrote to memory of 2140	2964	Hesap hesaphareketi-01.exe	msbuild.exe
PID 2964 wrote to memory of 2140	2964	Hesap hesaphareketi-01.exe	msbuild.exe
PID 2964 wrote to memory of 2140	2964	Hesap hesaphareketi-01.exe	msbuild.exe
PID 2964 wrote to memory of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 2444	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 1768	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 1768	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 1768	2964	Hesap hesaphareketi-01.exe	CasPol.exe
PID 2964 wrote to memory of 1768	2964	Hesap hesaphareketi-01.exe	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\Hesap hesaphareketi-01.exe
"C:\Users\Admin\AppData\Local\Temp\Hesap hesaphareketi-01.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:2140
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2444
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:1768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2140-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2140-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2140-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2140-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2444-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2444-20-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2444-24-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2444-23-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2444-21-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2444-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2444-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2444-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2964-0-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp

Filesize
4KB

Download
memory/2964-19-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download
memory/2964-4-0x0000000002090000-0x0000000002124000-memory.dmp

Filesize
592KB

Download
memory/2964-1-0x00000000001A0000-0x00000000001AC000-memory.dmp

Filesize
48KB

Download
memory/2964-2-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download
memory/2964-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads