agenttesla | 9e2c0955a2c6552770f089bfa9f077b31a1ba295b2e22c6f931705464333c315

Analysis

max time kernel
140s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 03:04

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General

Target

Valhalla.exe
Size

2.8MB
MD5

ae1d2fccf71b461a1ef6858d44f1ea2d
SHA1

ab31f301d14ffa3fd81e1b942db7f98c0b8d96f7
SHA256

d43381039f61f85a8ac41e951ae0c399faaacb6b381769456cb23f3dc04ded50
SHA512

0205926b299ab3dafbcd55bf7b96f6870b4f797182996671024f656cf58fc42622140d7946d27409f580c8f033375c5104ba3daec1bc8af828614f9b805e9df8
SSDEEP

49152:ff/Jm2vkRIjsJWJuB3jluCQ1ud1mb2RQzl4wRScOtImKLh1:ngckRIaDB3jlq9bAQzl4wIy1

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral8/memory/4180-6-0x0000000005C40000-0x0000000005E54000-memory.dmp	family_agenttesla

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

Valhalla.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	Valhalla.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Valhalla.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	Valhalla.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Valhalla.exe

description pid process

Token: SeDebugPrivilege 4180 Valhalla.exe

description	pid	process
Token: SeDebugPrivilege	4180	Valhalla.exe

C:\Users\Admin\AppData\Local\Temp\Valhalla.exe
"C:\Users\Admin\AppData\Local\Temp\Valhalla.exe"
1⤵
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4180

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 --field-trial-handle=1032,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=4172 /prefetch:8
1⤵
PID:4164

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4180-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/4180-1-0x0000000000300000-0x00000000005DE000-memory.dmp

Filesize
2.9MB

Download
memory/4180-2-0x0000000005690000-0x0000000005C34000-memory.dmp

Filesize
5.6MB

Download
memory/4180-3-0x0000000005010000-0x00000000050A2000-memory.dmp

Filesize
584KB

Download
memory/4180-4-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4180-5-0x00000000050F0000-0x00000000050FA000-memory.dmp

Filesize
40KB

Download
memory/4180-6-0x0000000005C40000-0x0000000005E54000-memory.dmp

Filesize
2.1MB

Download
memory/4180-7-0x0000000006CB0000-0x0000000006DA8000-memory.dmp

Filesize
992KB

Download
memory/4180-8-0x00000000071E0000-0x0000000007292000-memory.dmp

Filesize
712KB

Download
memory/4180-9-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4180-10-0x0000000006FF0000-0x0000000007012000-memory.dmp

Filesize
136KB

Download
memory/4180-11-0x0000000008710000-0x0000000008A64000-memory.dmp

Filesize
3.3MB

Download
memory/4180-13-0x0000000007490000-0x00000000074A2000-memory.dmp

Filesize
72KB

Download
memory/4180-14-0x0000000009D00000-0x0000000009D3C000-memory.dmp

Filesize
240KB

Download
memory/4180-15-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/4180-16-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4180-17-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download