agenttesla | a84e1b819b349474639fdedd97713f46afadae4203fb17f98954a1471cccfb74

General

Target

Proforma Invoice.exe
Size

710KB
MD5

cf01ce1ff2fb9e63152aa5b29fa4de07
SHA1

8c8f3f28043444be20d90a557a5d1946d444b47a
SHA256

a84e1b819b349474639fdedd97713f46afadae4203fb17f98954a1471cccfb74
SHA512

a25ee4b4b145eb5180a77754491da049c338e102f00b2f2d07f2dc2ec3d894f2686bba4e2e2b40bcdb1fe78e1c8b0e01d7e0d974c6840467ed1ce0ed4c469bbe
SSDEEP

12288:A0yjyUZpkkfMkfWFmHX4zcf7LzvRSOt5ybDl7jWE71vJXzjWvvR:kpvMkbVf3z5SOtKDlvl7/DjWvvR

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6903206003:AAFF6yOZVX0NDeRB5rBj48VYNGsWBB__dvI/

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

Looks up external IP address via web service 2 IoCs

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

flow	ioc
28	api.ipify.org
27	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3984 set thread context of 1740	3984	Proforma Invoice.exe	92

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
3984	Proforma Invoice.exe
1740	Proforma Invoice.exe
1740	Proforma Invoice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3984	Proforma Invoice.exe
Token: SeDebugPrivilege	1740	Proforma Invoice.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 3996	3984	Proforma Invoice.exe	91
PID 3984 wrote to memory of 3996	3984	Proforma Invoice.exe	91
PID 3984 wrote to memory of 3996	3984	Proforma Invoice.exe	91
PID 3984 wrote to memory of 1740	3984	Proforma Invoice.exe	92
PID 3984 wrote to memory of 1740	3984	Proforma Invoice.exe	92
PID 3984 wrote to memory of 1740	3984	Proforma Invoice.exe	92
PID 3984 wrote to memory of 1740	3984	Proforma Invoice.exe	92
PID 3984 wrote to memory of 1740	3984	Proforma Invoice.exe	92
PID 3984 wrote to memory of 1740	3984	Proforma Invoice.exe	92
PID 3984 wrote to memory of 1740	3984	Proforma Invoice.exe	92
PID 3984 wrote to memory of 1740	3984	Proforma Invoice.exe	92

C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
  2⤵
  PID:3996
- C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Proforma Invoice.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1740-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1740-21-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/1740-20-0x0000000006B10000-0x0000000006B60000-memory.dmp

Filesize
320KB

Download
memory/1740-18-0x0000000005200000-0x0000000005266000-memory.dmp

Filesize
408KB

Download
memory/1740-17-0x0000000005280000-0x0000000005290000-memory.dmp

Filesize
64KB

Download
memory/1740-16-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/3984-5-0x0000000005210000-0x000000000521A000-memory.dmp

Filesize
40KB

Download
memory/3984-6-0x0000000005710000-0x000000000572C000-memory.dmp

Filesize
112KB

Download
memory/3984-9-0x000000000C080000-0x000000000C102000-memory.dmp

Filesize
520KB

Download
memory/3984-10-0x000000000F710000-0x000000000F7AC000-memory.dmp

Filesize
624KB

Download
memory/3984-11-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/3984-12-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/3984-7-0x00000000054E0000-0x00000000054E8000-memory.dmp

Filesize
32KB

Download
memory/3984-8-0x0000000002C20000-0x0000000002C2C000-memory.dmp

Filesize
48KB

Download
memory/3984-0-0x0000000000790000-0x0000000000846000-memory.dmp

Filesize
728KB

Download
memory/3984-4-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/3984-19-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/3984-3-0x0000000005280000-0x0000000005312000-memory.dmp

Filesize
584KB

Download
memory/3984-2-0x0000000005790000-0x0000000005D34000-memory.dmp

Filesize
5.6MB

Download
memory/3984-1-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download

Analysis

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