arkei | ec0e3f40d7c60b705623b9d743de671aeab07ffbca5ee7c4646d6e30fe8d7546

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 00:36

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General

Target

ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe
Size

107KB
MD5

ca29ff3eb553c5995a5cbb358e18fd20
SHA1

7a3f4cf9875cb230aea1575f117ed8c77000e511
SHA256

ec0e3f40d7c60b705623b9d743de671aeab07ffbca5ee7c4646d6e30fe8d7546
SHA512

e81a3c70a17ac7610df5ea056a56fb3e65fe51721dee8f2a962d840fc50ea4eca815b11fc5d07d2246cf32d555340ac1156131c7cb3e346f7e1866cacc53b5a0
SSDEEP

3072:U96xNOZ+EYq8klcPMxtoSzEphwPgKWE6HAj:U9uOdBjoSzEpYzEu

Score

10^/10

arkei discovery stealer

Malware Config

Extracted

Family

arkei

95.181.157.6/G7yb65MmI9.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3612 set thread context of 556	3612	ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2324	3612	WerFault.exe	82

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	ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 556	3612	ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe	84
PID 3612 wrote to memory of 556	3612	ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe	84
PID 3612 wrote to memory of 556	3612	ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe	84
PID 3612 wrote to memory of 556	3612	ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe	84
PID 3612 wrote to memory of 556	3612	ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ca29ff3eb553c5995a5cbb358e18fd20_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 264
  2⤵
  - Program crash
  PID:2324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3612 -ip 3612
1⤵
PID:2004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/556-1-0x00000000005A0000-0x00000000005BB000-memory.dmp

Filesize
108KB

Download
memory/556-7-0x00000000005A0000-0x00000000005BB000-memory.dmp

Filesize
108KB

Download
memory/3612-0-0x0000000000695000-0x0000000000696000-memory.dmp

Filesize
4KB

Download