63860a7ed46aff766656984b05953cf8aff727b569acb9b9594d0d20d8fd3262

Analysis

max time kernel
139s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 13:13

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General

Target
ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe
Size 9KB
Sample240819-qf4dbawbjf
SHA256 63860a7ed46aff766656984b05953cf8aff727b569acb9b9594d0d20d8fd3262
MD5 ab28e72c1b1b6382364fa9a6ae1448dd
SHA1 94f3d107f7d72f4482871e37071fcc61d6c7a73b
SHA512 9d2b79f9963c55a665fc004902ae93f5e6edd24823b60dc539f8bccb9bc0cd3b61b6284061d1677ef08efb4d6102e3b72e1cff48be4271aaa1862b2d00dc298c
SSDEEP 96:jiZlhgCTGMBGzFvmsg8V1zpGxYZJ5U4BclT4OXxuJZ58w21qqoC0uWdLEaF:Opg1u6pmzOl5e0qwZ5TyPWdLEaF
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1288-0-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/1288-6-0x0000000000400000-0x0000000000409000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\intr32.dll	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\msmapi32.exe	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\oiso.bin	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.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 4 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	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 4972	1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe	87
PID 1288 wrote to memory of 4972	1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe	87
PID 1288 wrote to memory of 4972	1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe	87
PID 1288 wrote to memory of 4744	1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe	88
PID 1288 wrote to memory of 4744	1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe	88
PID 1288 wrote to memory of 4744	1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe	88
PID 1288 wrote to memory of 2104	1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe	89
PID 1288 wrote to memory of 2104	1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe	89
PID 1288 wrote to memory of 2104	1288	ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ab28e72c1b1b6382364fa9a6ae1448dd_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" -s C:\Windows\system32\intr32.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4972
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" -s C:\Windows\system32\intr32.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4744
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" -s C:\Windows\system32\intr32.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1288-0-0x0000000000400000-0x0000000000409000-memory.dmp

Download

memory/1288-6-0x0000000000400000-0x0000000000409000-memory.dmp