agenttesla | d112319f53d6432c222ace43e37b8ea87dd9356b3670568a6b38f6608c6d9684

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 01:16

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General

Target

A REQUESTFORVALIDBANKACCOUNTDETAIL/tedutil.dll
Size

14.2MB
MD5

9c47a4a0c221ec9de3c6171c800598cd
SHA1

704c442d6a4ec93dbc20845437bf59ebaaef330f
SHA256

84c11acd0312818f87dc805317df96f390498f346da4f3b1b770c9781f202692
SHA512

bf6f3349cb5d073f7770c872c9d104343001f27bb797403aeb54bf0d4c27553528575e057fe7dd54f1e2e0dbf4191727e4b42cd7bab522c8baa0715dc4c474d8
SSDEEP

196608:/k4+5bsXIn+wQMZZzC+qOaA37R0NA8Z8CGON9nb:/k55gXI+cZW+yNABI9

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
162.254.34.31
Port:
587
Username:
[email protected]
Password:
M992uew1mw6Z
Email To:
[email protected]

Signatures

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

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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1820 set thread context of 1236	1820	regsvr32.exe	28

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1236	AddInProcess32.exe
1236	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1236	AddInProcess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1236	1820	regsvr32.exe	28
PID 1820 wrote to memory of 1236	1820	regsvr32.exe	28
PID 1820 wrote to memory of 1236	1820	regsvr32.exe	28
PID 1820 wrote to memory of 1236	1820	regsvr32.exe	28
PID 1820 wrote to memory of 1236	1820	regsvr32.exe	28
PID 1820 wrote to memory of 1236	1820	regsvr32.exe	28
PID 1820 wrote to memory of 1236	1820	regsvr32.exe	28
PID 1820 wrote to memory of 1236	1820	regsvr32.exe	28
PID 1820 wrote to memory of 1236	1820	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\A REQUESTFORVALIDBANKACCOUNTDETAIL\tedutil.dll"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1236-0-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1236-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1236-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1236-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1236-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1236-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1236-2-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1236-1-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1236-10-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/1236-11-0x0000000074460000-0x0000000074B4E000-memory.dmp

Filesize
6.9MB

Download
memory/1236-12-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/1236-13-0x0000000074460000-0x0000000074B4E000-memory.dmp

Filesize
6.9MB

Download