stealc | a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24

General

Target

a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe
Size

1.8MB
MD5

d0430790be25ce4a3a45af0553a3d057
SHA1

b2150a6adc261868c0816d089c840d1a417fe8ef
SHA256

a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24
SHA512

940dead6a4f44a4fca8760dc62b054261799670091d81c8cd996d2515ea85b408cdf52a33b7b0dfe409ea8e1b6e9b605ed9d2a7d67cf15828d144ba68aad4e80
SSDEEP

24576:FBfuZfeq6sdO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFPJtTF+TxMoxc1TU+j+dAzGwlrh

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Signatures

Detect Vidar Stealer 8 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/624-2-0x00000000040A0000-0x00000000041E9000-memory.dmp	family_vidar_v7
behavioral2/memory/5060-4-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral2/memory/5060-9-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral2/memory/5060-8-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral2/memory/5060-17-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral2/memory/5060-18-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral2/memory/5060-35-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral2/memory/5060-36-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Executes dropped EXE 1 IoCs

Processes:

katDE79.tmp

pid process

5060 katDE79.tmp
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
5060	katDE79.tmp

Suspicious use of SetThreadContext 1 IoCs

Processes:

a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe

description	pid	process	target process
PID 624 set thread context of 5060	624	a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe	katDE79.tmp

Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

katDE79.tmp

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katDE79.tmp
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

katDE79.tmp

pid process

5060 katDE79.tmp
5060 katDE79.tmp

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	katDE79.tmp

pid	process
5060	katDE79.tmp
5060	katDE79.tmp

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe

description	pid	process	target process
PID 624 wrote to memory of 5060	624	a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe	katDE79.tmp
PID 624 wrote to memory of 5060	624	a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe	katDE79.tmp
PID 624 wrote to memory of 5060	624	a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe	katDE79.tmp
PID 624 wrote to memory of 5060	624	a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe	katDE79.tmp
PID 624 wrote to memory of 5060	624	a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe	katDE79.tmp
PID 624 wrote to memory of 5060	624	a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe	katDE79.tmp
PID 624 wrote to memory of 5060	624	a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe	katDE79.tmp
PID 624 wrote to memory of 5060	624	a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe	katDE79.tmp

C:\Users\Admin\AppData\Local\Temp\a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe
"C:\Users\Admin\AppData\Local\Temp\a196c14ae3a671eed1e664eeda46769128e7600bd0e4fac96beb9fecb789ea24.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\katDE79.tmp
C:\Users\Admin\AppData\Local\Temp\katDE79.tmp
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:5060

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=4204,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=3468 /prefetch:8
1⤵
PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\katDE79.tmp
Filesize
861KB

MD5
66064dbdb70a5eb15ebf3bf65aba254b

SHA1
0284fd320f99f62aca800fb1251eff4c31ec4ed7

SHA256
6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

SHA512
b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

Download Submit
memory/624-0-0x0000000002230000-0x0000000002231000-memory.dmp

Filesize
4KB

Download
memory/624-2-0x00000000040A0000-0x00000000041E9000-memory.dmp

Filesize
1.3MB

Download
memory/624-10-0x0000000000400000-0x00000000005D1000-memory.dmp

Filesize
1.8MB

Download
memory/5060-4-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/5060-9-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/5060-8-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/5060-17-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/5060-18-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/5060-20-0x000000001B840000-0x000000001BA9F000-memory.dmp

Filesize
2.4MB

Download
memory/5060-35-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/5060-36-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads