agenttesla | 2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a

General

Target

2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
Size

693KB
MD5

7978a3f9eff77dee615129d9ed6336d8
SHA1

24eeda198abd7ee533dcb9b3e184a3f96b034c87
SHA256

2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a
SHA512

aea77ad4f17a3d3f17862a80a2a2e75fb59ca5f3c0693b2d700efa104424e90f36805cf0eb26a597bbf5bc153f84736d31dbb6b2805a22269ecab79e54f6d4ad
SSDEEP

12288:W5F6HkkoFJa8IhjWaqZMHZam0XH5G3hIb0JFoPhA54Q1JMerhEtouC1Q/I:W+vlHHImE5GKyFtnlrzP8

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
sk8@@@3145411!!!&*(*&$#@
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/2612-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/2612-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/2612-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2612-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2612-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2612-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 2612	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	97

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
2612	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
2612	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
Token: SeDebugPrivilege	2612	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 3532	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	95
PID 2852 wrote to memory of 3532	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	95
PID 2852 wrote to memory of 3532	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	95
PID 2852 wrote to memory of 1720	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	96
PID 2852 wrote to memory of 1720	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	96
PID 2852 wrote to memory of 1720	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	96
PID 2852 wrote to memory of 2612	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	97
PID 2852 wrote to memory of 2612	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	97
PID 2852 wrote to memory of 2612	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	97
PID 2852 wrote to memory of 2612	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	97
PID 2852 wrote to memory of 2612	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	97
PID 2852 wrote to memory of 2612	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	97
PID 2852 wrote to memory of 2612	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	97
PID 2852 wrote to memory of 2612	2852	2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe	97

C:\Users\Admin\AppData\Local\Temp\2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
"C:\Users\Admin\AppData\Local\Temp\2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Users\Admin\AppData\Local\Temp\2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
  "C:\Users\Admin\AppData\Local\Temp\2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe"
  2⤵
  PID:3532
- C:\Users\Admin\AppData\Local\Temp\2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
  "C:\Users\Admin\AppData\Local\Temp\2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe"
  2⤵
  PID:1720
- C:\Users\Admin\AppData\Local\Temp\2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe
  "C:\Users\Admin\AppData\Local\Temp\2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2612

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2552c17f73833a975c30bfaa9d5591a979761bbf2a392389b095893ef6093e1a.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2612-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-19-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2612-18-0x0000000005ED0000-0x0000000005F20000-memory.dmp

Filesize
320KB

Download
memory/2612-17-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2612-16-0x0000000005230000-0x0000000005296000-memory.dmp

Filesize
408KB

Download
memory/2612-14-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2852-5-0x00000000056A0000-0x00000000056AA000-memory.dmp

Filesize
40KB

Download
memory/2852-7-0x0000000005B20000-0x0000000005B30000-memory.dmp

Filesize
64KB

Download
memory/2852-9-0x00000000071B0000-0x0000000007232000-memory.dmp

Filesize
520KB

Download
memory/2852-10-0x0000000009820000-0x00000000098BC000-memory.dmp

Filesize
624KB

Download
memory/2852-8-0x0000000005CC0000-0x0000000005CD6000-memory.dmp

Filesize
88KB

Download
memory/2852-6-0x00000000058A0000-0x00000000058C0000-memory.dmp

Filesize
128KB

Download
memory/2852-15-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2852-4-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2852-0-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2852-2-0x0000000005D10000-0x00000000062B4000-memory.dmp

Filesize
5.6MB

Download
memory/2852-3-0x0000000005760000-0x00000000057F2000-memory.dmp

Filesize
584KB

Download
memory/2852-1-0x0000000000BF0000-0x0000000000CA2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing