c6be5e666560026ce3681522e047c26db102d72ba2d637d4ff1e9c4832e51371

General

Target

40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe
Size

193KB
MD5

40fdb4a609723d4d68fab406fb930085
SHA1

81e56eb35e17f8e9dcb0e11dcc9eeedc3d6c170d
SHA256

c6be5e666560026ce3681522e047c26db102d72ba2d637d4ff1e9c4832e51371
SHA512

e8c425102c392b74e77cefcaf6bed5d650931a871f98365360b65c341008f949e22e20393d72dd1e6af7b9ea17c31d386c56ed8454e54ceb066bc663863e77d8
SSDEEP

3072:gjAvo7lBultySqPBP0TR2c3rWIG2gUwr0aQ88IphDF5LtDQ7nE/W4GfogdorIPE:gjJD6IaTR2c3UN0b88IphDNDbe40CIM

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2580	ins6912.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	ins6912.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins6912.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4952-0-0x0000000000660000-0x00000000006DA000-memory.dmp	upx
behavioral2/memory/4952-21-0x0000000000660000-0x00000000006DA000-memory.dmp	upx
behavioral2/memory/4952-26-0x0000000000660000-0x00000000006DA000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	ins6912.exe
File created	C:\Windows\assembly\Desktop.ini	ins6912.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins6912.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	40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ins6912.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2580	ins6912.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	ins6912.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2580	ins6912.exe
2580	ins6912.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 2580	4952	40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe	86
PID 4952 wrote to memory of 2580	4952	40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe	86
PID 4952 wrote to memory of 2580	4952	40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Users\Admin\AppData\Local\Temp\ins6912\ins6912.exe
  "C:\Users\Admin\AppData\Local\Temp\ins6912\ins6912.exe" /t10272a0ad0edf20d37d8f04562b0dc /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:2580

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\ins6912\ins6912.exe

Filesize
253KB

MD5
990774201cab9f23e9b2a4dbfd7b322d

SHA1
a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

SHA256
68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

SHA512
1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

Download Submit
memory/2580-18-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/2580-12-0x0000000073942000-0x0000000073943000-memory.dmp

Filesize
4KB

Download
memory/2580-13-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/2580-14-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/2580-17-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/2580-19-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/2580-20-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/2580-22-0x0000000073942000-0x0000000073943000-memory.dmp

Filesize
4KB

Download
memory/2580-23-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/2580-25-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/4952-0-0x0000000000660000-0x00000000006DA000-memory.dmp

Filesize
488KB

Download
memory/4952-21-0x0000000000660000-0x00000000006DA000-memory.dmp

Filesize
488KB

Download
memory/4952-26-0x0000000000660000-0x00000000006DA000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing