arkei | d75d7b0534ff648f16f5751be79a2c23158b6412a780180aec78c77c7e95071d

General

Target

zxcvb.exe
Size

586KB
MD5

131a32033cf88976a8df48361b90207d
SHA1

ce260393460fa5d4cbfa17d3329fd33594810add
SHA256

d75d7b0534ff648f16f5751be79a2c23158b6412a780180aec78c77c7e95071d
SHA512

120a4ef120c7b2d4c07af7e6418eaf83d7f3d41ba13f41ce2e494f76182c4b07fd16ec2ceaf1937ba3e76ecb9149cc42edba315e818dad09882cf77a62f6c708

Score

10^/10

arkei raccoon 8a4fd4b44997ba634230ba5c422ca9f2 default stealer

Malware Config

Extracted

Family

raccoon

Botnet

8a4fd4b44997ba634230ba5c422ca9f2

C2

http://193.106.191.146/

http://185.215.113.89/

rc4.plain

Extracted

Family

arkei

Botnet

Default

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei
Raccoon
Raccoon is an infostealer written in C++ and first seen in 2019.
stealer raccoon

Raccoon Stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3444-139-0x0000000000400000-0x0000000000411000-memory.dmp	family_raccoon
behavioral2/memory/3444-141-0x0000000000400000-0x0000000000411000-memory.dmp	family_raccoon
behavioral2/memory/3444-147-0x0000000000400000-0x0000000000411000-memory.dmp	family_raccoon
behavioral2/memory/3444-149-0x0000000000400000-0x0000000000411000-memory.dmp	family_raccoon

Executes dropped EXE 1 IoCs

Processes:

Mccegjkqnoydj.exe

pid process

2476 Mccegjkqnoydj.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

Processes:

zxcvb.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation zxcvb.exe

pid	process
2476	Mccegjkqnoydj.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	zxcvb.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

zxcvb.exeMccegjkqnoydj.exe

description	pid	process	target process
PID 3532 set thread context of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 2476 set thread context of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.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: EnumeratesProcesses 8 IoCs

Processes:

zxcvb.exeMccegjkqnoydj.exe

pid	process
3532	zxcvb.exe
3532	zxcvb.exe
2476	Mccegjkqnoydj.exe
2476	Mccegjkqnoydj.exe
2476	Mccegjkqnoydj.exe
2476	Mccegjkqnoydj.exe
2476	Mccegjkqnoydj.exe
2476	Mccegjkqnoydj.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Mccegjkqnoydj.exe

description pid process

Token: SeDebugPrivilege 2476 Mccegjkqnoydj.exe

description	pid	process
Token: SeDebugPrivilege	2476	Mccegjkqnoydj.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

zxcvb.exeMccegjkqnoydj.exe

description	pid	process	target process
PID 3532 wrote to memory of 2476	3532	zxcvb.exe	Mccegjkqnoydj.exe
PID 3532 wrote to memory of 2476	3532	zxcvb.exe	Mccegjkqnoydj.exe
PID 3532 wrote to memory of 2476	3532	zxcvb.exe	Mccegjkqnoydj.exe
PID 3532 wrote to memory of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 3532 wrote to memory of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 3532 wrote to memory of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 3532 wrote to memory of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 3532 wrote to memory of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 3532 wrote to memory of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 3532 wrote to memory of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 3532 wrote to memory of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 3532 wrote to memory of 3444	3532	zxcvb.exe	InstallUtil.exe
PID 2476 wrote to memory of 320	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 320	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 320	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2476 wrote to memory of 1324	2476	Mccegjkqnoydj.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\zxcvb.exe
"C:\Users\Admin\AppData\Local\Temp\zxcvb.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3532

C:\Users\Admin\AppData\Local\Temp\Mccegjkqnoydj.exe
"C:\Users\Admin\AppData\Local\Temp\Mccegjkqnoydj.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
PID:320

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
PID:1324

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:3444

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Mccegjkqnoydj.exe
Filesize
341KB

MD5
e96634c20057c1643a303d6266321035

SHA1
5f074a2f48911fa04995ab2bad95f6e66f228ebe

SHA256
58ca86e49e4dea36ec81072c6e63fb8d6b465447d3c1fc1443d15e897c13d27c

SHA512
0d927b650ef8029636681a4ba16637bda30336756586038818c0b75c2fddba0d83b6e4a51ece8a8c05a4deb13dc93e5bd23ae36024349a901c27909144725ebb

Download Submit
C:\Users\Admin\AppData\Local\Temp\Mccegjkqnoydj.exe
Filesize
341KB

MD5
e96634c20057c1643a303d6266321035

SHA1
5f074a2f48911fa04995ab2bad95f6e66f228ebe

SHA256
58ca86e49e4dea36ec81072c6e63fb8d6b465447d3c1fc1443d15e897c13d27c

SHA512
0d927b650ef8029636681a4ba16637bda30336756586038818c0b75c2fddba0d83b6e4a51ece8a8c05a4deb13dc93e5bd23ae36024349a901c27909144725ebb

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memory/320-142-0x0000000000000000-mapping.dmp

Download
memory/1324-143-0x0000000000000000-mapping.dmp

Download
memory/1324-144-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1324-150-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1324-148-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1324-146-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2476-137-0x0000000000FC0000-0x000000000101C000-memory.dmp

Filesize
368KB

Download
memory/2476-134-0x0000000000000000-mapping.dmp

Download
memory/3444-139-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3444-141-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3444-138-0x0000000000000000-mapping.dmp

Download
memory/3444-147-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3444-149-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3532-131-0x0000000005050000-0x00000000055F4000-memory.dmp

Filesize
5.6MB

Download
memory/3532-130-0x00000000000B0000-0x0000000000148000-memory.dmp

Filesize
608KB

Download
memory/3532-133-0x0000000004B00000-0x0000000004B0A000-memory.dmp

Filesize
40KB

Download
memory/3532-132-0x0000000004B40000-0x0000000004BD2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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