agenttesla | aca03be0a9f7f8f96e0aa3696f9cf6f41d9fb4d448df0bd7ea8411e46987db51

General

Target

DRAFT CONTRACT.exe
Size

696KB
MD5

923756799319e62e5b6ee9b3cbd03432
SHA1

f8b10d1341793716833baf8f75ad7c2c8aa1ded2
SHA256

696b00910392612eb2e09d31a1051e771acb5dc92697e7dc72ad63790a14b9c2
SHA512

daf870298cc135d5b5cd27a413ded876e37ecf9f65c3bf32359a85d2c2979fa37bebfdb13fc21b8b6dc69a08ce08c6f015a54c0fbdfaddf16b95fd988c2bcbf7
SSDEEP

12288:GjCBFvqJokcCqMOwj2cdZWh2UOGxgOnrt9LSYTG4Ub5GtKyQ+ccx:Esq5FVj2MWh2UOCgcbLSaGxFG0D+9x

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahesh-ent.com
Port:
587
Username:
[email protected]
Password:
M@hesh3981
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

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
18	api.ipify.org
19	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3048 set thread context of 1700	3048	DRAFT CONTRACT.exe	88

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3048	DRAFT CONTRACT.exe
3048	DRAFT CONTRACT.exe
3048	DRAFT CONTRACT.exe
3048	DRAFT CONTRACT.exe
3048	DRAFT CONTRACT.exe
1700	DRAFT CONTRACT.exe
1700	DRAFT CONTRACT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	DRAFT CONTRACT.exe
Token: SeDebugPrivilege	1700	DRAFT CONTRACT.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1700	DRAFT CONTRACT.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 3336	3048	DRAFT CONTRACT.exe	87
PID 3048 wrote to memory of 3336	3048	DRAFT CONTRACT.exe	87
PID 3048 wrote to memory of 3336	3048	DRAFT CONTRACT.exe	87
PID 3048 wrote to memory of 1700	3048	DRAFT CONTRACT.exe	88
PID 3048 wrote to memory of 1700	3048	DRAFT CONTRACT.exe	88
PID 3048 wrote to memory of 1700	3048	DRAFT CONTRACT.exe	88
PID 3048 wrote to memory of 1700	3048	DRAFT CONTRACT.exe	88
PID 3048 wrote to memory of 1700	3048	DRAFT CONTRACT.exe	88
PID 3048 wrote to memory of 1700	3048	DRAFT CONTRACT.exe	88
PID 3048 wrote to memory of 1700	3048	DRAFT CONTRACT.exe	88
PID 3048 wrote to memory of 1700	3048	DRAFT CONTRACT.exe	88

C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe
"C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe
  "C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe"
  2⤵
  PID:3336
- C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe
  "C:\Users\Admin\AppData\Local\Temp\DRAFT CONTRACT.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1700

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\DRAFT CONTRACT.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1700-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1700-20-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1700-19-0x00000000065D0000-0x0000000006620000-memory.dmp

Filesize
320KB

Download
memory/1700-17-0x0000000005080000-0x00000000050E6000-memory.dmp

Filesize
408KB

Download
memory/1700-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1700-15-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/3048-10-0x00000000061C0000-0x0000000006244000-memory.dmp

Filesize
528KB

Download
memory/3048-8-0x0000000005630000-0x0000000005640000-memory.dmp

Filesize
64KB

Download
memory/3048-9-0x0000000005640000-0x0000000005656000-memory.dmp

Filesize
88KB

Download
memory/3048-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/3048-11-0x00000000086F0000-0x000000000878C000-memory.dmp

Filesize
624KB

Download
memory/3048-7-0x00000000054C0000-0x00000000054E0000-memory.dmp

Filesize
128KB

Download
memory/3048-6-0x0000000005580000-0x0000000005628000-memory.dmp

Filesize
672KB

Download
memory/3048-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/3048-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/3048-4-0x0000000005490000-0x000000000549A000-memory.dmp

Filesize
40KB

Download
memory/3048-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/3048-2-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/3048-1-0x0000000000840000-0x00000000008F4000-memory.dmp

Filesize
720KB

Download

Analysis

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