arkei | 28455b1a0b29240e95877cff96528b3a196f0cf3a63d9980dc70349cdc0e1e74

General

Target

ghjk.exe
Size

1004KB
MD5

08802514f3c2c303d54e4a47a8db54f2
SHA1

ebe7c3ac64ce312ca370bcd07d49de5ad1369d93
SHA256

28455b1a0b29240e95877cff96528b3a196f0cf3a63d9980dc70349cdc0e1e74
SHA512

1ce0f58fa1f50debdff44222b70a4870b7ddb76a21f32d78ccecc2315bf005813bfb37032629e4360a928c61479b72237ac792e904b8c34fc089f73d5721f191

Score

10^/10

arkei raccoon 8a4fd4b44997ba634230ba5c422ca9f2 default discovery 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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3844-141-0x0000000000400000-0x0000000000411000-memory.dmp	family_raccoon

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

nfdsame.exenfdsame.exe

pid process

3160 nfdsame.exe
3396 nfdsame.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:

ghjk.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation ghjk.exe
Loads dropped DLL 3 IoCs

Processes:

ghjk.exe

pid process

3844 ghjk.exe
3844 ghjk.exe
3844 ghjk.exe
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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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
3160	nfdsame.exe
3396	nfdsame.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	ghjk.exe

pid	process
3844	ghjk.exe
3844	ghjk.exe
3844	ghjk.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ghjk.exenfdsame.exe

description	pid	process	target process
PID 732 set thread context of 3844	732	ghjk.exe	ghjk.exe
PID 3160 set thread context of 3396	3160	nfdsame.exe	nfdsame.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: MapViewOfSection 2 IoCs

Processes:

ghjk.exenfdsame.exe

pid process

732 ghjk.exe
3160 nfdsame.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ghjk.exenfdsame.exe

pid process

732 ghjk.exe
3160 nfdsame.exe

pid	process
732	ghjk.exe
3160	nfdsame.exe

pid	process
732	ghjk.exe
3160	nfdsame.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

ghjk.exenfdsame.exe

description	pid	process	target process
PID 732 wrote to memory of 3160	732	ghjk.exe	nfdsame.exe
PID 732 wrote to memory of 3160	732	ghjk.exe	nfdsame.exe
PID 732 wrote to memory of 3160	732	ghjk.exe	nfdsame.exe
PID 3160 wrote to memory of 3396	3160	nfdsame.exe	nfdsame.exe
PID 3160 wrote to memory of 3396	3160	nfdsame.exe	nfdsame.exe
PID 3160 wrote to memory of 3396	3160	nfdsame.exe	nfdsame.exe
PID 732 wrote to memory of 3844	732	ghjk.exe	ghjk.exe
PID 732 wrote to memory of 3844	732	ghjk.exe	ghjk.exe
PID 732 wrote to memory of 3844	732	ghjk.exe	ghjk.exe
PID 732 wrote to memory of 3844	732	ghjk.exe	ghjk.exe
PID 3160 wrote to memory of 3396	3160	nfdsame.exe	nfdsame.exe

C:\Users\Admin\AppData\Local\Temp\ghjk.exe
"C:\Users\Admin\AppData\Local\Temp\ghjk.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:732

C:\Users\Admin\AppData\Local\Temp\nfdsame.exe
"C:\Users\Admin\AppData\Local\Temp\nfdsame.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3160

C:\Users\Admin\AppData\Local\Temp\nfdsame.exe
"C:\Users\Admin\AppData\Local\Temp\nfdsame.exe"
3⤵
- Executes dropped EXE
PID:3396

C:\Users\Admin\AppData\Local\Temp\ghjk.exe
"C:\Users\Admin\AppData\Local\Temp\ghjk.exe"
2⤵
- Loads dropped DLL
PID:3844

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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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

Download Submit
C:\Users\Admin\AppData\Local\Temp\nfdsame.exe
Filesize
556KB

MD5
a98781c107b2ace080273819b6686301

SHA1
aec10de615dc75204d257ee743cdc0e0936e8bf9

SHA256
200b2ed6014cf60dbc87aa964adc53304c9731a0ec90122383781b03bfb1f97a

SHA512
cca490fe092d5b7215687daba47b8a79c54e3194af17e14200c544ce0cf24f5b9622611dd230e0111a59736961e836bb8b734bfadf893f3f1ebbf6ea0323f67a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nfdsame.exe
Filesize
556KB

MD5
a98781c107b2ace080273819b6686301

SHA1
aec10de615dc75204d257ee743cdc0e0936e8bf9

SHA256
200b2ed6014cf60dbc87aa964adc53304c9731a0ec90122383781b03bfb1f97a

SHA512
cca490fe092d5b7215687daba47b8a79c54e3194af17e14200c544ce0cf24f5b9622611dd230e0111a59736961e836bb8b734bfadf893f3f1ebbf6ea0323f67a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nfdsame.exe
Filesize
556KB

MD5
a98781c107b2ace080273819b6686301

SHA1
aec10de615dc75204d257ee743cdc0e0936e8bf9

SHA256
200b2ed6014cf60dbc87aa964adc53304c9731a0ec90122383781b03bfb1f97a

SHA512
cca490fe092d5b7215687daba47b8a79c54e3194af17e14200c544ce0cf24f5b9622611dd230e0111a59736961e836bb8b734bfadf893f3f1ebbf6ea0323f67a

Download Submit
memory/3160-132-0x0000000000000000-mapping.dmp

Download
memory/3160-137-0x0000000002210000-0x0000000002218000-memory.dmp

Filesize
32KB

Download
memory/3396-142-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3396-138-0x0000000000000000-mapping.dmp

Download
memory/3396-146-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3396-147-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3844-141-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3844-139-0x0000000000000000-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