agenttesla | 64c3a2f1f3d66c15c7a383c838347878c5925030bf93657807807d0e9e864846

General

Target

tmp83d43ask.exe
Size

365KB
MD5

f5c30a79af9acf6fc4065cad77aa0fd3
SHA1

222030b3943e9ed72a9c0b1a4bd74293c15e2dbe
SHA256

64c3a2f1f3d66c15c7a383c838347878c5925030bf93657807807d0e9e864846
SHA512

093640c3a7dbcdd5d388cd29f434c4a0d7f2381f89325418ae0a9a4a03a4dae798cc7dbdcf88897b79f8327222de07414cf1f7742c2db3350c4556e50afd29f4
SSDEEP

6144:7V13TaaCOyVm4adic91/pyru0AZ6Y4e5P1p1h2CVIzTARnDFkeePeov+:BVauyVRuBpyy1LP1rh2Cazteke

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7185592808:AAH40VecOIxIokAMjd2dL-3MoQxpbXJyxfE/

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

tmp83d43ask.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yKvZH = "C:\\Users\\Admin\\AppData\\Roaming\\yKvZH\\yKvZH.exe"	tmp83d43ask.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 api.ipify.org
17 ip-api.com
15 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp83d43ask.exe

description pid process target process

PID 2260 set thread context of 3620 2260 tmp83d43ask.exe tmp83d43ask.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

tmp83d43ask.exe

pid process

3620 tmp83d43ask.exe
3620 tmp83d43ask.exe
3620 tmp83d43ask.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmp83d43ask.exe

description pid process

Token: SeDebugPrivilege 3620 tmp83d43ask.exe

flow	ioc
16	api.ipify.org
17	ip-api.com
15	api.ipify.org

description	pid	process	target process
PID 2260 set thread context of 3620	2260	tmp83d43ask.exe	tmp83d43ask.exe

pid	process
3620	tmp83d43ask.exe
3620	tmp83d43ask.exe
3620	tmp83d43ask.exe

description	pid	process
Token: SeDebugPrivilege	3620	tmp83d43ask.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

tmp83d43ask.exe

description	pid	process	target process
PID 2260 wrote to memory of 3620	2260	tmp83d43ask.exe	tmp83d43ask.exe
PID 2260 wrote to memory of 3620	2260	tmp83d43ask.exe	tmp83d43ask.exe
PID 2260 wrote to memory of 3620	2260	tmp83d43ask.exe	tmp83d43ask.exe
PID 2260 wrote to memory of 3620	2260	tmp83d43ask.exe	tmp83d43ask.exe
PID 2260 wrote to memory of 3620	2260	tmp83d43ask.exe	tmp83d43ask.exe
PID 2260 wrote to memory of 3620	2260	tmp83d43ask.exe	tmp83d43ask.exe
PID 2260 wrote to memory of 3620	2260	tmp83d43ask.exe	tmp83d43ask.exe
PID 2260 wrote to memory of 3620	2260	tmp83d43ask.exe	tmp83d43ask.exe

C:\Users\Admin\AppData\Local\Temp\tmp83d43ask.exe
"C:\Users\Admin\AppData\Local\Temp\tmp83d43ask.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2260

C:\Users\Admin\AppData\Local\Temp\tmp83d43ask.exe
"C:\Users\Admin\AppData\Local\Temp\tmp83d43ask.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3620

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2960 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:4680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

memory/2260-9-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/2260-1-0x0000000000600000-0x0000000000662000-memory.dmp

Filesize
392KB

Download
memory/2260-2-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/2260-0-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/2260-3-0x0000000002870000-0x0000000002871000-memory.dmp

Filesize
4KB

Download
memory/3620-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3620-6-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/3620-7-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/3620-8-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/3620-5-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/3620-12-0x0000000007140000-0x0000000007190000-memory.dmp

Filesize
320KB

Download
memory/3620-13-0x00000000072D0000-0x000000000736C000-memory.dmp

Filesize
624KB

Download
memory/3620-14-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/3620-15-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads