46464f28a82f1043125b6f1526bdc9cf4196499270dd6a5d653b05727aa7172b

General

Target

12cfa5949212176a7845093b518610ab_JaffaCakes118.exe
Size

193KB
MD5

12cfa5949212176a7845093b518610ab
SHA1

629b6e45f2049ba39ea7f0c7f50b64477c73e5b5
SHA256

46464f28a82f1043125b6f1526bdc9cf4196499270dd6a5d653b05727aa7172b
SHA512

a6127cd4d23315be2bcfd979e4ccaa1adee2d8449014ad55530c9aa9422c19fd5a781839a6f947267a8e726af740548d6e151aff8c8efbbfdb70d70eb69c5e77
SSDEEP

3072:aBoVZJ+5RlPM3rdS0v9QFJtbP1QGNJH7H8+yvX/q0ANX1W1GzIP:O2KM7dlv9Qx73H78pvvjSk0I

Score

7^/10

discovery upx

Malware Config

Signatures

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	12cfa5949212176a7845093b518610ab_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2420	ins4671.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	ins4671.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins4671.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3200-0-0x0000000000880000-0x00000000008FB000-memory.dmp	upx
behavioral2/memory/3200-21-0x0000000000880000-0x00000000008FB000-memory.dmp	upx
behavioral2/memory/3200-27-0x0000000000880000-0x00000000008FB000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	ins4671.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins4671.exe
File opened for modification	C:\Windows\assembly	ins4671.exe

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

System Information Discovery
T1082

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	12cfa5949212176a7845093b518610ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ins4671.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2420	ins4671.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	ins4671.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2420	ins4671.exe
2420	ins4671.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 2420	3200	12cfa5949212176a7845093b518610ab_JaffaCakes118.exe	82
PID 3200 wrote to memory of 2420	3200	12cfa5949212176a7845093b518610ab_JaffaCakes118.exe	82
PID 3200 wrote to memory of 2420	3200	12cfa5949212176a7845093b518610ab_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\12cfa5949212176a7845093b518610ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12cfa5949212176a7845093b518610ab_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Users\Admin\AppData\Local\Temp\ins4671\ins4671.exe
  "C:\Users\Admin\AppData\Local\Temp\ins4671\ins4671.exe" /e5838684 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\ins4671\ins4671.exe

Filesize
253KB

MD5
990774201cab9f23e9b2a4dbfd7b322d

SHA1
a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

SHA256
68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

SHA512
1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

Download Submit
memory/2420-18-0x0000000073450000-0x0000000073A01000-memory.dmp

Filesize
5.7MB

Download
memory/2420-12-0x0000000073452000-0x0000000073453000-memory.dmp

Filesize
4KB

Download
memory/2420-13-0x0000000073450000-0x0000000073A01000-memory.dmp

Filesize
5.7MB

Download
memory/2420-14-0x0000000073450000-0x0000000073A01000-memory.dmp

Filesize
5.7MB

Download
memory/2420-17-0x0000000073450000-0x0000000073A01000-memory.dmp

Filesize
5.7MB

Download
memory/2420-19-0x0000000073450000-0x0000000073A01000-memory.dmp

Filesize
5.7MB

Download
memory/2420-20-0x0000000073450000-0x0000000073A01000-memory.dmp

Filesize
5.7MB

Download
memory/2420-22-0x0000000073450000-0x0000000073A01000-memory.dmp

Filesize
5.7MB

Download
memory/2420-23-0x0000000073452000-0x0000000073453000-memory.dmp

Filesize
4KB

Download
memory/2420-25-0x0000000073450000-0x0000000073A01000-memory.dmp

Filesize
5.7MB

Download
memory/3200-0-0x0000000000880000-0x00000000008FB000-memory.dmp

Filesize
492KB

Download
memory/3200-21-0x0000000000880000-0x00000000008FB000-memory.dmp

Filesize
492KB

Download
memory/3200-27-0x0000000000880000-0x00000000008FB000-memory.dmp

Filesize
492KB

Download

Analysis

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