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 1272 set thread context of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2920	1048	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\SystemCertificates\CA\Certificates\D89E3BD43D5D909B47A18977AA9D5CE36CEE184C	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\SystemCertificates\CA\Certificates\D89E3BD43D5D909B47A18977AA9D5CE36CEE184C\Blob = 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	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29
PID 1272 wrote to memory of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29
PID 1272 wrote to memory of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29
PID 1272 wrote to memory of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29
PID 1272 wrote to memory of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29
PID 1272 wrote to memory of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29
PID 1272 wrote to memory of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29
PID 1272 wrote to memory of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29
PID 1272 wrote to memory of 1048	1272	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	29
PID 1048 wrote to memory of 2920	1048	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	30
PID 1048 wrote to memory of 2920	1048	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	30
PID 1048 wrote to memory of 2920	1048	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	30
PID 1048 wrote to memory of 2920	1048	919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe	30

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 use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\919d2103a46f8c249444a2526f5b714c_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 44
    3⤵
    - Program crash
    PID:2920

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

C:\Users\Admin\AppData\Local\Temp\Cab4378.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar439A.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1048-81-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1048-77-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1048-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1048-78-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1048-79-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1048-80-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1048-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1272-75-0x0000000000740000-0x0000000000760000-memory.dmp

Filesize
128KB

Download
memory/1272-2-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/1272-74-0x00000000020F0000-0x0000000002142000-memory.dmp

Filesize
328KB

Download
memory/1272-0-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/1272-73-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/1272-72-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/1272-71-0x00000000006D0000-0x00000000006DC000-memory.dmp

Filesize
48KB

Download
memory/1272-1-0x00000000000A0000-0x00000000001FC000-memory.dmp

Filesize
1.4MB

Download
memory/1272-86-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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