04684c16d4527a64ddc9e9d7f765965b474ca66a286cabb5d04c63c34ec09105

Analysis

max time kernel
51s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-06-2024 21:57

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General

Target

a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
Size

666KB
MD5

a6c3f104f145d286eacf87283ebe579c
SHA1

71b7e34b9bbfe2d023a6894de2278d4d647a4c41
SHA256

04684c16d4527a64ddc9e9d7f765965b474ca66a286cabb5d04c63c34ec09105
SHA512

3823025392fc334f16902c73330a4f16abd388c2575eab0f5609afa7f76a1923b7ac272d562a6e348aa60168c8a22f83dc48f8c330e300b3de3c4c2462f08862
SSDEEP

12288:6bDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMf0:6Xbs48LeP0P8E6dclWLi26KGOqMwIM8

Score

7^/10

discovery upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5052-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/5052-1-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/5052-3-0x0000000000400000-0x00000000005C7000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4608	5052	WerFault.exe	80
5040	5052	WerFault.exe	80

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
5052	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
5052	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
5052	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
5052	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
5052	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
5052	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
5052	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
5052	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
5052	a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a6c3f104f145d286eacf87283ebe579c_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:5052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 2176
  2⤵
  - Program crash
  PID:4608
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 2128
  2⤵
  - Program crash
  PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5052 -ip 5052
1⤵
PID:4652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 5052 -ip 5052
1⤵
PID:748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5052-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/5052-1-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/5052-3-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads