arkei | 0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b

General

Target

0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
Size

392KB
MD5

5fea51478a01f10a78d428751e973aba
SHA1

cb7f1e3acc3636a6f890edb8c44d0abe2674ec1c
SHA256

0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b
SHA512

47ea5c07b4d9d2bd5f9045906da94961f9d7d64e55c992435bdae2d21334daed98f096892da46f2bd18637f48ecac6bc80d6531c5a1cacceb7f3a46182e103c6

Score

10^/10

arkei redline 04062022 default discovery infostealer spyware stealer

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://62.204.41.69/p8jG9WvgbE.php

Extracted

Family

redline

Botnet

04062022

C2

62.204.41.166:27688

Attributes

auth_value
48182fe753fa2aff7472da064aa2a5d9

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1396-69-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/1396-70-0x0000000000400000-0x0000000000424000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

pid	Process
332	Fvdfggf.exe

Deletes itself 1 IoCs

pid	Process
1444	cmd.exe

Loads dropped DLL 4 IoCs

pid	Process
1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
676	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
676	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 676	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	28
PID 332 set thread context of 1396	332	Fvdfggf.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1116	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1396	regasm.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
332	Fvdfggf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1396	regasm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
332	Fvdfggf.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 332	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	27
PID 1768 wrote to memory of 332	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	27
PID 1768 wrote to memory of 332	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	27
PID 1768 wrote to memory of 332	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	27
PID 1768 wrote to memory of 676	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	28
PID 1768 wrote to memory of 676	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	28
PID 1768 wrote to memory of 676	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	28
PID 1768 wrote to memory of 676	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	28
PID 1768 wrote to memory of 676	1768	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	28
PID 332 wrote to memory of 1396	332	Fvdfggf.exe	29
PID 332 wrote to memory of 1396	332	Fvdfggf.exe	29
PID 332 wrote to memory of 1396	332	Fvdfggf.exe	29
PID 332 wrote to memory of 1396	332	Fvdfggf.exe	29
PID 332 wrote to memory of 1396	332	Fvdfggf.exe	29
PID 332 wrote to memory of 1396	332	Fvdfggf.exe	29
PID 332 wrote to memory of 1396	332	Fvdfggf.exe	29
PID 332 wrote to memory of 1396	332	Fvdfggf.exe	29
PID 676 wrote to memory of 1444	676	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	33
PID 676 wrote to memory of 1444	676	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	33
PID 676 wrote to memory of 1444	676	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	33
PID 676 wrote to memory of 1444	676	0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe	33
PID 1444 wrote to memory of 1116	1444	cmd.exe	35
PID 1444 wrote to memory of 1116	1444	cmd.exe	35
PID 1444 wrote to memory of 1116	1444	cmd.exe	35
PID 1444 wrote to memory of 1116	1444	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
"C:\Users\Admin\AppData\Local\Temp\0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\Fvdfggf.exe
  "C:\Users\Admin\AppData\Local\Temp\Fvdfggf.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:332
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1396
- C:\Users\Admin\AppData\Local\Temp\0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe
  "C:\Users\Admin\AppData\Local\Temp\0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious use of WriteProcessMemory
  PID:676
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\0f63b4b4659449eee766610af817b786e9cd7622743851cf7b71430613d7521b.exe" & exit
    3⤵
    - Deletes itself
    - Suspicious use of WriteProcessMemory
    PID:1444
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:1116

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Fvdfggf.exe

Filesize
172KB

MD5
e124d6fab64aa638922bc7861998fa8c

SHA1
3420d895a8ef834eaf85c800fb83b1eca0a7816e

SHA256
de8f8f5217cc3fca88d5261c8ad2c3115750ccf4f7bf3e7904760af2014959e3

SHA512
b456215751eeda2f5b633cd52b5b5d820d1dc96d9ec4f4f35fa4fa1c5859dd925c949f0f6270af80a12ede9f9ac45f4a979aea7f8d4da459ed05cd1b7bdd5ed7

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\Local\Temp\Fvdfggf.exe

Filesize
172KB

MD5
e124d6fab64aa638922bc7861998fa8c

SHA1
3420d895a8ef834eaf85c800fb83b1eca0a7816e

SHA256
de8f8f5217cc3fca88d5261c8ad2c3115750ccf4f7bf3e7904760af2014959e3

SHA512
b456215751eeda2f5b633cd52b5b5d820d1dc96d9ec4f4f35fa4fa1c5859dd925c949f0f6270af80a12ede9f9ac45f4a979aea7f8d4da459ed05cd1b7bdd5ed7

Download Submit
\Users\Admin\AppData\Local\Temp\Fvdfggf.exe

Filesize
172KB

MD5
e124d6fab64aa638922bc7861998fa8c

SHA1
3420d895a8ef834eaf85c800fb83b1eca0a7816e

SHA256
de8f8f5217cc3fca88d5261c8ad2c3115750ccf4f7bf3e7904760af2014959e3

SHA512
b456215751eeda2f5b633cd52b5b5d820d1dc96d9ec4f4f35fa4fa1c5859dd925c949f0f6270af80a12ede9f9ac45f4a979aea7f8d4da459ed05cd1b7bdd5ed7

Download Submit
memory/332-66-0x0000000000300000-0x0000000000307000-memory.dmp

Filesize
28KB

Download
memory/676-72-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/676-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1396-69-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1396-70-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1768-56-0x0000000076AC1000-0x0000000076AC3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads