agenttesla | 104ae348871545562f1f0a2712ddb88659fda045dd969affd79fbdc25fc7e2fd

General

Target

27.exe
Size

521KB
MD5

b29fbc48ad3305f4dcab0be3145682a6
SHA1

73152dd5e9cdf69d7ae9ff114aa818b2ec0decfb
SHA256

104ae348871545562f1f0a2712ddb88659fda045dd969affd79fbdc25fc7e2fd
SHA512

5111621a6bfd323812eed98e1053bde36598c1fb719e7c401a090d5ee679aee02f59d0337cf0f4fed780fbb4550add1cf812203e59efedb531081cf43931e838
SSDEEP

12288:zbiKz52aC1sP906WMPTxgt8UnlQJAHCUkO/tRqUjRQ1F5CZTAujRM:Tl2af9061uKyOJCCUb7qUjRQsN

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.processengrg.com
Port:
587
Username:
[email protected]
Password:
Bigbrain2022#

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.processengrg.com
Port:
587
Username:
[email protected]
Password:
Bigbrain2022#
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\KaGeys = "C:\\Users\\Admin\\AppData\\Roaming\\KaGeys\\KaGeys.exe"	27.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.ipify.org
4	ip-api.com
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 848 set thread context of 3000	848	27.exe	28

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	27.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	27.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3000	27.exe
3000	27.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	27.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 3000	848	27.exe	28
PID 848 wrote to memory of 3000	848	27.exe	28
PID 848 wrote to memory of 3000	848	27.exe	28
PID 848 wrote to memory of 3000	848	27.exe	28
PID 848 wrote to memory of 3000	848	27.exe	28
PID 848 wrote to memory of 3000	848	27.exe	28
PID 848 wrote to memory of 3000	848	27.exe	28
PID 848 wrote to memory of 3000	848	27.exe	28
PID 848 wrote to memory of 3000	848	27.exe	28

C:\Users\Admin\AppData\Local\Temp\27.exe
"C:\Users\Admin\AppData\Local\Temp\27.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\27.exe
  "C:\Users\Admin\AppData\Local\Temp\27.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3000

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

2

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/848-0-0x0000000000AA0000-0x0000000000B28000-memory.dmp

Filesize
544KB

Download
memory/848-1-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/848-2-0x00000000004F0000-0x0000000000530000-memory.dmp

Filesize
256KB

Download
memory/848-3-0x00000000020C0000-0x0000000002130000-memory.dmp

Filesize
448KB

Download
memory/848-4-0x00000000003E0000-0x00000000003E8000-memory.dmp

Filesize
32KB

Download
memory/848-17-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3000-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3000-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3000-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3000-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3000-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3000-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3000-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3000-21-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-22-0x0000000004890000-0x00000000048D0000-memory.dmp

Filesize
256KB

Download
memory/3000-24-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-25-0x0000000004890000-0x00000000048D0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads