agenttesla | 37fbb8aab11fee86746dca42f37cc3e1f8af646d595cd292dc04963d9c82b89a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 02:00

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General

Target

rCHARTERREQUEST.exe
Size

145KB
MD5

9773f17f57d5a69d3a69eec6def1a8a3
SHA1

86e0269b21c64ffdc344ef0792fbaaaeb058d416
SHA256

37fbb8aab11fee86746dca42f37cc3e1f8af646d595cd292dc04963d9c82b89a
SHA512

147e647e91fffb2fd3e674675b6d4ec50882696d517cf6f730136860f7c2fb9847b7cb0a7b4be4f7a66ba9ad9484b0bf9430729604b720031eb0bf9adc266788
SSDEEP

1536:xqvP1g8HjZfTiLX82GFmnGtGfIIcDjp31lDKqWIqHOVdh2iIC/m8:xqn1g8DNOM21nGtQdGNFlDKjId2pC/j

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:
ABwuRZS5Mjh5
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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1428 created 3448	1428	rCHARTERREQUEST.exe	56

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	rCHARTERREQUEST.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ilsucsfth.vbs	rCHARTERREQUEST.exe

Executes dropped EXE 1 IoCs

pid	Process
424	ckuv.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.

flow	ioc
41	api.ipify.org
42	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1428 set thread context of 5008	1428	rCHARTERREQUEST.exe	101

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	ckuv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rCHARTERREQUEST.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1428	rCHARTERREQUEST.exe
1428	rCHARTERREQUEST.exe
1428	rCHARTERREQUEST.exe
5008	InstallUtil.exe
5008	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1428	rCHARTERREQUEST.exe
Token: SeDebugPrivilege	424	ckuv.exe
Token: SeDebugPrivilege	1428	rCHARTERREQUEST.exe
Token: SeDebugPrivilege	5008	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 424	1428	rCHARTERREQUEST.exe	99
PID 1428 wrote to memory of 424	1428	rCHARTERREQUEST.exe	99
PID 1428 wrote to memory of 424	1428	rCHARTERREQUEST.exe	99
PID 1428 wrote to memory of 5008	1428	rCHARTERREQUEST.exe	101
PID 1428 wrote to memory of 5008	1428	rCHARTERREQUEST.exe	101
PID 1428 wrote to memory of 5008	1428	rCHARTERREQUEST.exe	101
PID 1428 wrote to memory of 5008	1428	rCHARTERREQUEST.exe	101
PID 1428 wrote to memory of 5008	1428	rCHARTERREQUEST.exe	101
PID 1428 wrote to memory of 5008	1428	rCHARTERREQUEST.exe	101
PID 1428 wrote to memory of 5008	1428	rCHARTERREQUEST.exe	101
PID 1428 wrote to memory of 5008	1428	rCHARTERREQUEST.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3448
- C:\Users\Admin\AppData\Local\Temp\rCHARTERREQUEST.exe
  "C:\Users\Admin\AppData\Local\Temp\rCHARTERREQUEST.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Checks computer location settings
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Users\Admin\AppData\Local\Temp\ckuv.exe
    "C:\Users\Admin\AppData\Local\Temp\ckuv.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ckuv.exe

Filesize
56KB

MD5
cdd3d1bb178c391a905c40d2b292f4d6

SHA1
bf7fce373510e8fac054703f879c5aac2e8ed584

SHA256
f0881d1c9f9e086eb8d814e03cd6c01f357f0cae2627ff27e011104c6e88ccea

SHA512
e089bc47342b8ffe798e665f3d248de711e704058717398b240809db261e5226ad748f80f7e45ae1bb7efa27196a9a520109cb633782394c90c13b0d79c0e41a

Download Submit
memory/424-1368-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/424-1364-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/424-1350-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/424-1347-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/424-1344-0x0000000000280000-0x0000000000292000-memory.dmp

Filesize
72KB

Download
memory/1428-21-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-33-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-43-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-35-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-41-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-32-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-29-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-27-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-25-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-23-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/1428-17-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-15-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-13-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-11-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-7-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-61-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-69-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-67-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-65-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-63-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-59-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-57-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-55-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-39-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-51-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-49-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-47-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-19-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-6-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-53-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-37-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-45-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-1328-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1428-1329-0x0000000005580000-0x00000000055F4000-memory.dmp

Filesize
464KB

Download
memory/1428-1330-0x0000000005E90000-0x0000000005F00000-memory.dmp

Filesize
448KB

Download
memory/1428-1331-0x0000000005F00000-0x0000000005F4C000-memory.dmp

Filesize
304KB

Download
memory/1428-1332-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1428-9-0x00000000053C0000-0x00000000054D4000-memory.dmp

Filesize
1.1MB

Download
memory/1428-1346-0x0000000005AF0000-0x0000000005B44000-memory.dmp

Filesize
336KB

Download
memory/1428-1345-0x0000000006B00000-0x00000000070A4000-memory.dmp

Filesize
5.6MB

Download
memory/1428-5-0x00000000053C0000-0x00000000054DA000-memory.dmp

Filesize
1.1MB

Download
memory/1428-4-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1428-3-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/1428-1352-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1428-1356-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1428-1358-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1428-1359-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1428-1-0x0000000000200000-0x0000000000228000-memory.dmp

Filesize
160KB

Download
memory/1428-2-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/5008-1363-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/5008-1362-0x0000000004FF0000-0x0000000005056000-memory.dmp

Filesize
408KB

Download
memory/5008-1361-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/5008-1365-0x00000000063E0000-0x0000000006430000-memory.dmp

Filesize
320KB

Download
memory/5008-1366-0x00000000064D0000-0x0000000006562000-memory.dmp

Filesize
584KB

Download
memory/5008-1367-0x0000000006450000-0x000000000645A000-memory.dmp

Filesize
40KB

Download
memory/5008-1360-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/5008-1369-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download