arkei | d75d7b0534ff648f16f5751be79a2c23158b6412a780180aec78c77c7e95071d

General

Target

zxcvb.exe
Size

586KB
MD5

131a32033cf88976a8df48361b90207d
SHA1

ce260393460fa5d4cbfa17d3329fd33594810add
SHA256

d75d7b0534ff648f16f5751be79a2c23158b6412a780180aec78c77c7e95071d
SHA512

120a4ef120c7b2d4c07af7e6418eaf83d7f3d41ba13f41ce2e494f76182c4b07fd16ec2ceaf1937ba3e76ecb9149cc42edba315e818dad09882cf77a62f6c708

Score

10^/10

arkei raccoon 8a4fd4b44997ba634230ba5c422ca9f2 default spyware 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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4872-139-0x0000000000400000-0x0000000000411000-memory.dmp	family_raccoon
behavioral2/memory/4872-141-0x0000000000400000-0x0000000000411000-memory.dmp	family_raccoon
behavioral2/memory/4872-146-0x0000000000400000-0x0000000000411000-memory.dmp	family_raccoon

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Mccegjkqnoydj.exe

pid process

2544 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
Loads dropped DLL 3 IoCs

Processes:

InstallUtil.exe

pid process

4872 InstallUtil.exe
4872 InstallUtil.exe
4872 InstallUtil.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
2544	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

pid	process
4872	InstallUtil.exe
4872	InstallUtil.exe
4872	InstallUtil.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

zxcvb.exeMccegjkqnoydj.exe

description	pid	process	target process
PID 908 set thread context of 4872	908	zxcvb.exe	InstallUtil.exe
PID 2544 set thread context of 2088	2544	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 4 IoCs

Processes:

zxcvb.exeMccegjkqnoydj.exe

pid process

908 zxcvb.exe
908 zxcvb.exe
2544 Mccegjkqnoydj.exe
2544 Mccegjkqnoydj.exe

pid	process
908	zxcvb.exe
908	zxcvb.exe
2544	Mccegjkqnoydj.exe
2544	Mccegjkqnoydj.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

zxcvb.exeMccegjkqnoydj.exe

description	pid	process	target process
PID 908 wrote to memory of 2544	908	zxcvb.exe	Mccegjkqnoydj.exe
PID 908 wrote to memory of 2544	908	zxcvb.exe	Mccegjkqnoydj.exe
PID 908 wrote to memory of 2544	908	zxcvb.exe	Mccegjkqnoydj.exe
PID 908 wrote to memory of 4872	908	zxcvb.exe	InstallUtil.exe
PID 908 wrote to memory of 4872	908	zxcvb.exe	InstallUtil.exe
PID 908 wrote to memory of 4872	908	zxcvb.exe	InstallUtil.exe
PID 908 wrote to memory of 4872	908	zxcvb.exe	InstallUtil.exe
PID 908 wrote to memory of 4872	908	zxcvb.exe	InstallUtil.exe
PID 908 wrote to memory of 4872	908	zxcvb.exe	InstallUtil.exe
PID 908 wrote to memory of 4872	908	zxcvb.exe	InstallUtil.exe
PID 908 wrote to memory of 4872	908	zxcvb.exe	InstallUtil.exe
PID 908 wrote to memory of 4872	908	zxcvb.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	Mccegjkqnoydj.exe	InstallUtil.exe
PID 2544 wrote to memory of 2088	2544	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:908

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 WriteProcessMemory
PID:2544

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
PID:2088

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Loads dropped DLL
PID:4872

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\mozglue.dll
Filesize
612KB

MD5
f07d9977430e762b563eaadc2b94bbfa

SHA1
da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

SHA256
4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

SHA512
6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

Download Submit
C:\Users\Admin\AppData\LocalLow\nss3.dll
Filesize
1.9MB

MD5
f67d08e8c02574cbc2f1122c53bfb976

SHA1
6522992957e7e4d074947cad63189f308a80fcf2

SHA256
c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

SHA512
2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

Download Submit
C:\Users\Admin\AppData\LocalLow\sqlite3.dll
Filesize
1.0MB

MD5
dbf4f8dcefb8056dc6bae4b67ff810ce

SHA1
bbac1dd8a07c6069415c04b62747d794736d0689

SHA256
47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

SHA512
b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

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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

Download Submit
memory/908-130-0x0000000000600000-0x0000000000698000-memory.dmp

Filesize
608KB

Download
memory/908-131-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/908-132-0x00000000050D0000-0x0000000005162000-memory.dmp

Filesize
584KB

Download
memory/908-133-0x0000000005030000-0x000000000503A000-memory.dmp

Filesize
40KB

Download
memory/2088-147-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2088-142-0x0000000000000000-mapping.dmp

Download
memory/2088-143-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2088-145-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2088-151-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2544-137-0x0000000000DD0000-0x0000000000E2C000-memory.dmp

Filesize
368KB

Download
memory/2544-134-0x0000000000000000-mapping.dmp

Download
memory/4872-141-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4872-146-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4872-139-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4872-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads