agenttesla | 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923

General

Target

4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
Size

656KB
MD5

1534d66b1d5d06bf3ce463fe4de16113
SHA1

8bab8bba168c3af944cea61d0c850ee0af12f49e
SHA256

4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923
SHA512

2338dd07308e4231556bc7b091ea7f6642a0f50c93c19dd9821e97dbb82282dbbe3173dcb6494de8a83ff5211d54bfb5de0d58e60a5d7216f8c8eaa700a03e3a
SSDEEP

12288:vJzi8LkpEaboi4dUdW24hWYtooHMb0uUM2xnUHPkC+u7FOJmb7QMHE8hSe:vJ2jEw4ceWvoHQh2xnUHPkCAJmbE

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.ipr-co.org
Port:
587
Username:
[email protected]
Password:
IPRco@100102@

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ipr-co.org
Port:
587
Username:
[email protected]
Password:
IPRco@100102@
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

Processes:

4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.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

29 api.ipify.org
28 api.ipify.org

flow	ioc
29	api.ipify.org
28	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

description	pid	process	target process
PID 3788 set thread context of 2204	3788	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

pid	process
2204	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
2204	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

description pid process

Token: SeDebugPrivilege 2204 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

pid process

2204 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

description	pid	process
Token: SeDebugPrivilege	2204	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

description	pid	process	target process
PID 3788 wrote to memory of 2204	3788	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
PID 3788 wrote to memory of 2204	3788	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
PID 3788 wrote to memory of 2204	3788	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
PID 3788 wrote to memory of 2204	3788	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
PID 3788 wrote to memory of 2204	3788	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
PID 3788 wrote to memory of 2204	3788	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
PID 3788 wrote to memory of 2204	3788	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
PID 3788 wrote to memory of 2204	3788	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe	4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
"C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
  "C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2204

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

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2204-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2204-19-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/2204-18-0x0000000006D60000-0x0000000006DB0000-memory.dmp

Filesize
320KB

Download
memory/2204-16-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/2204-15-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/2204-13-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3788-4-0x0000000005BD0000-0x0000000005BDA000-memory.dmp

Filesize
40KB

Download
memory/3788-8-0x0000000007070000-0x00000000070F4000-memory.dmp

Filesize
528KB

Download
memory/3788-9-0x00000000096B0000-0x000000000974C000-memory.dmp

Filesize
624KB

Download
memory/3788-7-0x0000000006B70000-0x0000000006B80000-memory.dmp

Filesize
64KB

Download
memory/3788-6-0x0000000007050000-0x000000000706A000-memory.dmp

Filesize
104KB

Download
memory/3788-5-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3788-14-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3788-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/3788-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp

Filesize
584KB

Download
memory/3788-2-0x0000000005FC0000-0x0000000006564000-memory.dmp

Filesize
5.6MB

Download
memory/3788-1-0x0000000000F70000-0x000000000101A000-memory.dmp

Filesize
680KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads