arkei | 2e14b592904e292539d9fc9d57a06df31676d5645ebaa49ebe129044d2d3baa3

Analysis

max time kernel
119s
max time network
123s
platform
windows10_x64
resource
win10-en-20210920
submitted
27/09/2021, 12:28

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General

Target
2674384ebcdff2bcf5cd06698c8be68d.exe
Size 159KB
Sample210927-pncd5aghfp
SHA256 2e14b592904e292539d9fc9d57a06df31676d5645ebaa49ebe129044d2d3baa3
MD5 2674384ebcdff2bcf5cd06698c8be68d
SHA1 7453a42025a54b36edde94316d025167610daa26
SHA512 49d3aba95508579cc58cac09904861e7370539e473c6bc13314cc4ba372528c3ce602f366bb93e6fb77caa13f978a44a9b7777dc88bde4edf3fbbd2a74b2c739
MD5 SHA1 SHA512

Score

10^/10

arkei spyware stealer

Malware Config

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3512 created 2468	3512	WerFault.exe	69

Arkei Stealer Payload 1 IoCs

stealer

resource	yara_rule
behavioral2/memory/2468-116-0x0000000000400000-0x00000000004AF000-memory.dmp	family_arkei

Downloads MZ/PE file

Loads dropped DLL 3 IoCs

pid	Process
2468	2674384ebcdff2bcf5cd06698c8be68d.exe
2468	2674384ebcdff2bcf5cd06698c8be68d.exe
2468	2674384ebcdff2bcf5cd06698c8be68d.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3512	2468	WerFault.exe	69

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe
3512	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	3512	WerFault.exe
Token: SeBackupPrivilege	3512	WerFault.exe
Token: SeDebugPrivilege	3512	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2674384ebcdff2bcf5cd06698c8be68d.exe
"C:\Users\Admin\AppData\Local\Temp\2674384ebcdff2bcf5cd06698c8be68d.exe"
1⤵
- Loads dropped DLL
PID:2468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 1272
  2⤵
  - Suspicious use of NtCreateProcessExOtherParentProcess
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3512

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2468-116-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2468-115-0x00000000004B0000-0x00000000005FA000-memory.dmp

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