4bd7d643ea5af4082a91837e49c6bd811b9c05936a8926ba2f6acc5ccbb9cdc2

General

Target

039584727251fed6e4a1855b12c6b33e_JaffaCakes118.exe
Size

193KB
MD5

039584727251fed6e4a1855b12c6b33e
SHA1

322aac4e5493e657416a420064335f8c2fe3727c
SHA256

4bd7d643ea5af4082a91837e49c6bd811b9c05936a8926ba2f6acc5ccbb9cdc2
SHA512

ffe1bd6f1ff159bf22d46f949b84f087986c3f3d83dd1e4aa17a2353839289c873f8152b392d47a355810968cda2770c255e18abdc956b343435415a8cbdd48b
SSDEEP

3072:XBoVZJ+5RlPM3rdS0v9QFJtbP1QGNJH7H8+yvX/q0ANX1W1GzIP:x2KM7dlv9Qx73H78pvvjSk0I

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	039584727251fed6e4a1855b12c6b33e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1056	ins5732.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	ins5732.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins5732.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2320-0-0x00000000006B0000-0x000000000072B000-memory.dmp	upx
behavioral2/memory/2320-21-0x00000000006B0000-0x000000000072B000-memory.dmp	upx
behavioral2/memory/2320-26-0x00000000006B0000-0x000000000072B000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	ins5732.exe
File created	C:\Windows\assembly\Desktop.ini	ins5732.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins5732.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	039584727251fed6e4a1855b12c6b33e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ins5732.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1056	ins5732.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	ins5732.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1056	ins5732.exe
1056	ins5732.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 1056	2320	039584727251fed6e4a1855b12c6b33e_JaffaCakes118.exe	81
PID 2320 wrote to memory of 1056	2320	039584727251fed6e4a1855b12c6b33e_JaffaCakes118.exe	81
PID 2320 wrote to memory of 1056	2320	039584727251fed6e4a1855b12c6b33e_JaffaCakes118.exe	81

C:\Users\Admin\AppData\Local\Temp\039584727251fed6e4a1855b12c6b33e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\039584727251fed6e4a1855b12c6b33e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Users\Admin\AppData\Local\Temp\ins5732\ins5732.exe
  "C:\Users\Admin\AppData\Local\Temp\ins5732\ins5732.exe" /t102fdaffa60616913250fa40f5610d /e9107993 /u8326f16e-dd66-11e2-a752-00259033c1da
  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:1056

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ins5732\ins5732.exe

Filesize
253KB

MD5
990774201cab9f23e9b2a4dbfd7b322d

SHA1
a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

SHA256
68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

SHA512
1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

Download Submit
memory/1056-18-0x0000000073F60000-0x0000000074511000-memory.dmp

Filesize
5.7MB

Download
memory/1056-12-0x0000000073F62000-0x0000000073F63000-memory.dmp

Filesize
4KB

Download
memory/1056-13-0x0000000073F60000-0x0000000074511000-memory.dmp

Filesize
5.7MB

Download
memory/1056-14-0x0000000073F60000-0x0000000074511000-memory.dmp

Filesize
5.7MB

Download
memory/1056-17-0x0000000073F60000-0x0000000074511000-memory.dmp

Filesize
5.7MB

Download
memory/1056-19-0x0000000073F60000-0x0000000074511000-memory.dmp

Filesize
5.7MB

Download
memory/1056-20-0x0000000073F60000-0x0000000074511000-memory.dmp

Filesize
5.7MB

Download
memory/1056-22-0x0000000073F60000-0x0000000074511000-memory.dmp

Filesize
5.7MB

Download
memory/1056-23-0x0000000073F62000-0x0000000073F63000-memory.dmp

Filesize
4KB

Download
memory/1056-25-0x0000000073F60000-0x0000000074511000-memory.dmp

Filesize
5.7MB

Download
memory/2320-0-0x00000000006B0000-0x000000000072B000-memory.dmp

Filesize
492KB

Download
memory/2320-21-0x00000000006B0000-0x000000000072B000-memory.dmp

Filesize
492KB

Download
memory/2320-26-0x00000000006B0000-0x000000000072B000-memory.dmp

Filesize
492KB

Download

Analysis

Sharing