agenttesla | 32e9175d0fc07dae4adf478b8edaa68aba6f8cee81880b2c67ddaf23acd282cb

General

Target

Statement of Account.exe
Size

492KB
MD5

6e7687b86eeb2bd86478ee96e06c200e
SHA1

105fc272b1c2e949e3113e72ff2f4e2b9b057cbb
SHA256

0646c74553ece34bde89208dc879a57458e28d8b7e069d352336021705b9bd1e
SHA512

64e0cd8c76380e6176327b353c4cca0d1c512ea1a821b7598cf614fa8769e1e552825f33caddee85707cd6d4a362a4fb93d4d782a47fbbf34ec100ef9e13d616
SSDEEP

12288:lcbsoVgc0AkTIDadXg82PpVWSTAqwhdV7gGyE5hk480+ttP5:lvAjeTIoXgzSS0HhcG16480i5

Score

10^/10

agenttesla guloader downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5896636070:AAE1wgCylxBdOo6ud0Pm37zMf2XWSsuCQ0g/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

Processes:

caspol.exeStatement of Account.exe

description	ioc	process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	caspol.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	Statement of Account.exe

Loads dropped DLL 1 IoCs

Processes:

Statement of Account.exe

pid process

4472 Statement of Account.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

56 api.ipify.org
57 api.ipify.org
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

caspol.exe

pid process

4172 caspol.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

Statement of Account.execaspol.exe

pid process

4472 Statement of Account.exe
4172 caspol.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Statement of Account.exe

description pid process target process

PID 4472 set thread context of 4172 4472 Statement of Account.exe caspol.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Statement of Account.exe

pid process

4472 Statement of Account.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

caspol.exe

description pid process

Token: SeDebugPrivilege 4172 caspol.exe

pid	process
4472	Statement of Account.exe

flow	ioc
56	api.ipify.org
57	api.ipify.org

pid	process
4172	caspol.exe

pid	process
4472	Statement of Account.exe
4172	caspol.exe

description	pid	process	target process
PID 4472 set thread context of 4172	4472	Statement of Account.exe	caspol.exe

pid	process
4472	Statement of Account.exe

description	pid	process
Token: SeDebugPrivilege	4172	caspol.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Statement of Account.exe

description	pid	process	target process
PID 4472 wrote to memory of 4172	4472	Statement of Account.exe	caspol.exe
PID 4472 wrote to memory of 4172	4472	Statement of Account.exe	caspol.exe
PID 4472 wrote to memory of 4172	4472	Statement of Account.exe	caspol.exe
PID 4472 wrote to memory of 4172	4472	Statement of Account.exe	caspol.exe

C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe
"C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe"
1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4472

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
"C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe"
2⤵
- Checks QEMU agent file
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:4172

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

1

T1102

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsaEDE0.tmp\System.dll
Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
memory/4172-144-0x0000000077A60000-0x0000000077C03000-memory.dmp

Filesize
1.6MB

Download
memory/4172-145-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/4172-142-0x0000000077A60000-0x0000000077C03000-memory.dmp

Filesize
1.6MB

Download
memory/4172-143-0x00007FFA68E30000-0x00007FFA69025000-memory.dmp

Filesize
2.0MB

Download
memory/4172-137-0x0000000000000000-mapping.dmp

Download
memory/4172-141-0x00007FFA68E30000-0x00007FFA69025000-memory.dmp

Filesize
2.0MB

Download
memory/4172-139-0x0000000000C10000-0x000000000306E000-memory.dmp

Filesize
36.4MB

Download
memory/4172-140-0x0000000000C10000-0x000000000306E000-memory.dmp

Filesize
36.4MB

Download
memory/4172-150-0x0000000036020000-0x0000000036086000-memory.dmp

Filesize
408KB

Download
memory/4172-149-0x0000000036720000-0x0000000036CC4000-memory.dmp

Filesize
5.6MB

Download
memory/4172-148-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4172-146-0x0000000000401000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/4472-138-0x0000000077A60000-0x0000000077C03000-memory.dmp

Filesize
1.6MB

Download
memory/4472-133-0x0000000002AD0000-0x0000000002BAB000-memory.dmp

Filesize
876KB

Download
memory/4472-136-0x0000000077A60000-0x0000000077C03000-memory.dmp

Filesize
1.6MB

Download
memory/4472-135-0x00007FFA68E30000-0x00007FFA69025000-memory.dmp

Filesize
2.0MB

Download
memory/4472-151-0x0000000077A60000-0x0000000077C03000-memory.dmp

Filesize
1.6MB

Download
memory/4472-134-0x0000000002AD0000-0x0000000002BAB000-memory.dmp

Filesize
876KB

Download

Analysis

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