arkei | 5a67a83b9a2c7fe60a27aad00292c99cb615d4f3d4bee467d084449f9d2ea976

General

Target

919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
Size

1.3MB
MD5

919d2103a46f8c249444a2526f5b714c
SHA1

f9795556bfceb8ab03ecf99d944adc5e5e11c781
SHA256

5a67a83b9a2c7fe60a27aad00292c99cb615d4f3d4bee467d084449f9d2ea976
SHA512

09195255509e95969257ae4eaefa1234aa6a09690015469d48c82326d45a1134b5b40387f917b61f886b7e0f86095f06d665473644a87cf19be2dac921f028af
SSDEEP

12288:Kle/iOzALdgQq0gVY/epKOM6YHGeZ07I/nh/XgCL4XKPXPiXuHNH/b6bH/zx/S3w:KleaOzALdx/cKObpeZ07q3m/u7vY

Score

10^/10

arkei default discovery stealer

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

185.215.113.75/NeJDVHw9yu.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4316 set thread context of 5028	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	99

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2B8F1B57330DBBA2D07A6C51F70EE90DDAB9AD8E	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2B8F1B57330DBBA2D07A6C51F70EE90DDAB9AD8E\Blob = 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	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2B8F1B57330DBBA2D07A6C51F70EE90DDAB9AD8E\Blob = 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	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2B8F1B57330DBBA2D07A6C51F70EE90DDAB9AD8E\Blob = 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	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4936	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	98
PID 4316 wrote to memory of 4936	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	98
PID 4316 wrote to memory of 4936	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	98
PID 4316 wrote to memory of 5028	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	99
PID 4316 wrote to memory of 5028	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	99
PID 4316 wrote to memory of 5028	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	99
PID 4316 wrote to memory of 5028	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	99
PID 4316 wrote to memory of 5028	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	99
PID 4316 wrote to memory of 5028	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	99
PID 4316 wrote to memory of 5028	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	99
PID 4316 wrote to memory of 5028	4316	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	99

C:\Users\Admin\AppData\Local\Temp\919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Users\Admin\AppData\Local\Temp\919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe"
  2⤵
  PID:4936
- C:\Users\Admin\AppData\Local\Temp\919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe"
  2⤵
  PID:5028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4316-12-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4316-5-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

Filesize
40KB

Download
memory/4316-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4316-3-0x0000000004CD0000-0x0000000004D62000-memory.dmp

Filesize
584KB

Download
memory/4316-13-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4316-4-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4316-10-0x0000000007E70000-0x0000000007F0C000-memory.dmp

Filesize
624KB

Download
memory/4316-14-0x0000000006070000-0x00000000060C2000-memory.dmp

Filesize
328KB

Download
memory/4316-2-0x0000000005370000-0x0000000005914000-memory.dmp

Filesize
5.6MB

Download
memory/4316-1-0x00000000001C0000-0x000000000031C000-memory.dmp

Filesize
1.4MB

Download
memory/4316-11-0x0000000007DD0000-0x0000000007DDC000-memory.dmp

Filesize
48KB

Download
memory/4316-15-0x00000000060E0000-0x0000000006100000-memory.dmp

Filesize
128KB

Download
memory/4316-22-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/5028-20-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5028-18-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5028-21-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5028-16-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

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