arkei | 47785efac13a140e2b016324a9b67604bcdb58a2bd140ece780790e063f1f2c0

General

Target

zxcvb.exe
Size

1.0MB
MD5

01e485104be49a9f059e6b591273bcd1
SHA1

9dd25e5caa3d591537f519f6a9d0c76e1202451f
SHA256

6887d3d4d5baa135418c2305915c56b448960d03c427f6c63c430465ddaa6547
SHA512

6cb26da4a899889aba0647ec33d6c44a2c05060c8f9753259f29fdebc6b03808d0f9262207a48026f2aef96c35a51d331c04d71fbf4d45a2405ebec8bee6f5a7

Score

10^/10

arkei raccoon 5f3e2ed386ddeccffbb4e34c56fc2efd default spyware stealer suricata

Malware Config

Extracted

Family

raccoon

Botnet

5f3e2ed386ddeccffbb4e34c56fc2efd

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
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
suricata
suricata: ET MALWARE Generic Stealer Config Download Request
suricata: ET MALWARE Generic Stealer Config Download Request
suricata
suricata: ET MALWARE Win32/RecordBreaker CnC Checkin
suricata: ET MALWARE Win32/RecordBreaker CnC Checkin
suricata
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
suricata
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Anwuqahpedbnnlsgekmacy.exe

pid process

1412 Anwuqahpedbnnlsgekmacy.exe
Loads dropped DLL 6 IoCs

Processes:

zxcvb.exeInstallUtil.exeInstallUtil.exe

pid process

2028 zxcvb.exe
1268 InstallUtil.exe
1268 InstallUtil.exe
1268 InstallUtil.exe
1164 InstallUtil.exe
1164 InstallUtil.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1412	Anwuqahpedbnnlsgekmacy.exe

pid	process
2028	zxcvb.exe
1268	InstallUtil.exe
1268	InstallUtil.exe
1268	InstallUtil.exe
1164	InstallUtil.exe
1164	InstallUtil.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

zxcvb.exeAnwuqahpedbnnlsgekmacy.exe

description	pid	process	target process
PID 2028 set thread context of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 1412 set thread context of 1164	1412	Anwuqahpedbnnlsgekmacy.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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

528 1268 WerFault.exe InstallUtil.exe

pid	pid_target	process	target process
528	1268	WerFault.exe	InstallUtil.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	InstallUtil.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1980 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

zxcvb.exeAnwuqahpedbnnlsgekmacy.exe

pid process

2028 zxcvb.exe
1412 Anwuqahpedbnnlsgekmacy.exe

pid	process
1980	timeout.exe

pid	process
2028	zxcvb.exe
1412	Anwuqahpedbnnlsgekmacy.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

zxcvb.exeAnwuqahpedbnnlsgekmacy.exeInstallUtil.exeInstallUtil.execmd.exe

description	pid	process	target process
PID 2028 wrote to memory of 1412	2028	zxcvb.exe	Anwuqahpedbnnlsgekmacy.exe
PID 2028 wrote to memory of 1412	2028	zxcvb.exe	Anwuqahpedbnnlsgekmacy.exe
PID 2028 wrote to memory of 1412	2028	zxcvb.exe	Anwuqahpedbnnlsgekmacy.exe
PID 2028 wrote to memory of 1412	2028	zxcvb.exe	Anwuqahpedbnnlsgekmacy.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 2028 wrote to memory of 1268	2028	zxcvb.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1412 wrote to memory of 1164	1412	Anwuqahpedbnnlsgekmacy.exe	InstallUtil.exe
PID 1268 wrote to memory of 528	1268	InstallUtil.exe	WerFault.exe
PID 1268 wrote to memory of 528	1268	InstallUtil.exe	WerFault.exe
PID 1268 wrote to memory of 528	1268	InstallUtil.exe	WerFault.exe
PID 1268 wrote to memory of 528	1268	InstallUtil.exe	WerFault.exe
PID 1164 wrote to memory of 1572	1164	InstallUtil.exe	cmd.exe
PID 1164 wrote to memory of 1572	1164	InstallUtil.exe	cmd.exe
PID 1164 wrote to memory of 1572	1164	InstallUtil.exe	cmd.exe
PID 1164 wrote to memory of 1572	1164	InstallUtil.exe	cmd.exe
PID 1572 wrote to memory of 1980	1572	cmd.exe	timeout.exe
PID 1572 wrote to memory of 1980	1572	cmd.exe	timeout.exe
PID 1572 wrote to memory of 1980	1572	cmd.exe	timeout.exe
PID 1572 wrote to memory of 1980	1572	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\zxcvb.exe
"C:\Users\Admin\AppData\Local\Temp\zxcvb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2028

C:\Users\Admin\AppData\Local\Temp\Anwuqahpedbnnlsgekmacy.exe
"C:\Users\Admin\AppData\Local\Temp\Anwuqahpedbnnlsgekmacy.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1412

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:1572

C:\Windows\SysWOW64\timeout.exe
timeout /t 5
5⤵
- Delays execution with timeout.exe
PID:1980

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 764
3⤵
- Program crash
PID:528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Anwuqahpedbnnlsgekmacy.exe
Filesize
576KB

MD5
6033fc2cf6e73f5ca5cf76206d4f2232

SHA1
a01fae21dfd9319f332c3cb717f8a8467514e8ce

SHA256
eaa5fb40a306c308eead3848fe6b4c16c7b271ddc63a89cc876b54248f8b1d08

SHA512
795df2b76dd23c09e5e90d1b5f2f4b88d1be8b44eb072001fb1bdfca210a6106a38cdafdc4df4e429f7acbbf5c8be3fe093e906280571acbf4458c9c6563233a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Anwuqahpedbnnlsgekmacy.exe
Filesize
576KB

MD5
6033fc2cf6e73f5ca5cf76206d4f2232

SHA1
a01fae21dfd9319f332c3cb717f8a8467514e8ce

SHA256
eaa5fb40a306c308eead3848fe6b4c16c7b271ddc63a89cc876b54248f8b1d08

SHA512
795df2b76dd23c09e5e90d1b5f2f4b88d1be8b44eb072001fb1bdfca210a6106a38cdafdc4df4e429f7acbbf5c8be3fe093e906280571acbf4458c9c6563233a

Download Submit
\ProgramData\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
\Users\Admin\AppData\LocalLow\mozglue.dll
Filesize
612KB

MD5
f07d9977430e762b563eaadc2b94bbfa

SHA1
da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

SHA256
4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

SHA512
6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

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

MD5
f67d08e8c02574cbc2f1122c53bfb976

SHA1
6522992957e7e4d074947cad63189f308a80fcf2

SHA256
c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

SHA512
2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

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

MD5
dbf4f8dcefb8056dc6bae4b67ff810ce

SHA1
bbac1dd8a07c6069415c04b62747d794736d0689

SHA256
47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

SHA512
b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

Download Submit
\Users\Admin\AppData\Local\Temp\Anwuqahpedbnnlsgekmacy.exe
Filesize
576KB

MD5
6033fc2cf6e73f5ca5cf76206d4f2232

SHA1
a01fae21dfd9319f332c3cb717f8a8467514e8ce

SHA256
eaa5fb40a306c308eead3848fe6b4c16c7b271ddc63a89cc876b54248f8b1d08

SHA512
795df2b76dd23c09e5e90d1b5f2f4b88d1be8b44eb072001fb1bdfca210a6106a38cdafdc4df4e429f7acbbf5c8be3fe093e906280571acbf4458c9c6563233a

Download Submit
memory/528-98-0x0000000000000000-mapping.dmp

Download
memory/1164-79-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-81-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-121-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-99-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/1164-97-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-91-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-72-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-73-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-89-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-75-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-87-0x000000000043C0B2-mapping.dmp

Download
memory/1164-86-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1164-85-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1268-76-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1268-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1268-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1268-78-0x0000000000407486-mapping.dmp

Download
memory/1268-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1268-90-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1268-70-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1268-82-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1268-69-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1268-96-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1412-59-0x0000000000000000-mapping.dmp

Download
memory/1412-62-0x0000000001050000-0x00000000010E6000-memory.dmp

Filesize
600KB

Download
memory/1412-63-0x0000000000DC0000-0x0000000000E94000-memory.dmp

Filesize
848KB

Download
memory/1572-120-0x0000000000000000-mapping.dmp

Download
memory/1980-122-0x0000000000000000-mapping.dmp

Download
memory/2028-57-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/2028-56-0x00000000009D0000-0x0000000000A1C000-memory.dmp

Filesize
304KB

Download
memory/2028-55-0x0000000004A10000-0x0000000004B5C000-memory.dmp

Filesize
1.3MB

Download
memory/2028-54-0x0000000000A20000-0x0000000000B2C000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads