arkei | a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a

Resubmissions

14/10/2021, 15:13

211014-slznesafgr10

13/10/2021, 11:15

211013-ncl9hsdggp10

Analysis

max time kernel
123s
max time network
132s
platform
windows7_x64
resource
win7-en-20210920
submitted
14/10/2021, 15:13

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General

Target
a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe
Size 311KB
Sample211014-slznesafgr
SHA256 a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a
MD5 0050729426253655c88625a8ad93d7a2
SHA1 a8ea376bc26eba3ff32e72cb2bf43cccfa1c87d7
SHA512 1947c78aba1933c3da2eed125d760bf7c4b3bf75a113139a22db0d2f1e1e3e8b4640c0330b5220712275884567daf9548467a96747fb550fc8cb24dfc989d37c
MD5 SHA1 SHA512

Score

10^/10

arkei default spyware stealer

Malware Config

Extracted

Family

arkei

Botnet

Default

http://game2030.link/ggate.php

Signatures

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

Arkei Stealer Payload 2 IoCs

stealer

resource	yara_rule
behavioral1/memory/1172-57-0x0000000000400000-0x00000000016C0000-memory.dmp	family_arkei
behavioral1/memory/1172-56-0x0000000000220000-0x0000000000239000-memory.dmp	family_arkei

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
1384	1172	WerFault.exe	26

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1384	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1384	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 1384	1172	a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe	28
PID 1172 wrote to memory of 1384	1172	a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe	28
PID 1172 wrote to memory of 1384	1172	a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe	28
PID 1172 wrote to memory of 1384	1172	a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe	28

C:\Users\Admin\AppData\Local\Temp\a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe
"C:\Users\Admin\AppData\Local\Temp\a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1172 -s 812
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1384

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/1172-54-0x00000000017BB000-0x00000000017CC000-memory.dmp

Download

memory/1172-55-0x0000000075821000-0x0000000075823000-memory.dmp

Download

memory/1172-57-0x0000000000400000-0x00000000016C0000-memory.dmp

Download

memory/1172-56-0x0000000000220000-0x0000000000239000-memory.dmp

Download

memory/1384-59-0x0000000001CC0000-0x0000000001CC1000-memory.dmp

Download