291df82a028441c32424465013cc15fc398725729d76df9c17d0a0d76d3ab554

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 17:50

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General

Target

a38733479c61304edeaabf7077662d93_JaffaCakes118.exe
Size

5.0MB
MD5

a38733479c61304edeaabf7077662d93
SHA1

4369fa493f299acbe095cecc74ee3f89feea32cf
SHA256

291df82a028441c32424465013cc15fc398725729d76df9c17d0a0d76d3ab554
SHA512

421451b35b098137915201ecff9e85e34ad845a2e7b7b8456c9b8b954d606dc8ea812f3f4c8d579959c1f9c29a19c2a4b42a297aeb10d4a142908de15a5cc9ac
SSDEEP

98304:vyiB/f4m1fGBp1QjPCV+yi3ribcjqXZzLm/FettSVyfl5kHXsPgPvH56XYHTlxM0:jfJG8Dyi3rccA/mHVUmXsPKvHbpOFeH

Score

7^/10

discovery vmprotect

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2748	DNFYH.exe

VMProtect packed file 5 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/files/0x0009000000015fd2-4.dat	vmprotect
behavioral1/memory/2748-7-0x0000000000400000-0x0000000000C4A000-memory.dmp	vmprotect
behavioral1/memory/1048-6-0x0000000003A00000-0x000000000424A000-memory.dmp	vmprotect
behavioral1/memory/2748-9-0x0000000000400000-0x0000000000C4A000-memory.dmp	vmprotect
behavioral1/memory/2748-10-0x0000000000400000-0x0000000000C4A000-memory.dmp	vmprotect

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2748	DNFYH.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\DNFYH.exe	a38733479c61304edeaabf7077662d93_JaffaCakes118.exe

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	a38733479c61304edeaabf7077662d93_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DNFYH.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2748	DNFYH.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1048	a38733479c61304edeaabf7077662d93_JaffaCakes118.exe
1048	a38733479c61304edeaabf7077662d93_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2748	1048	a38733479c61304edeaabf7077662d93_JaffaCakes118.exe	32
PID 1048 wrote to memory of 2748	1048	a38733479c61304edeaabf7077662d93_JaffaCakes118.exe	32
PID 1048 wrote to memory of 2748	1048	a38733479c61304edeaabf7077662d93_JaffaCakes118.exe	32
PID 1048 wrote to memory of 2748	1048	a38733479c61304edeaabf7077662d93_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\a38733479c61304edeaabf7077662d93_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a38733479c61304edeaabf7077662d93_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048
- C:\WINDOWS\DNFYH.exe
  C:\WINDOWS\DNFYH.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\DNFYH.exe

Filesize
4.4MB

MD5
4404fa824a02522892dc427951c5da24

SHA1
1897df0a72abf8858f2d54235f65dd33b3e063dd

SHA256
684b0ce7480ef2c05e28054148b94e776ccbbd50f9222d65d31da14f0fe126a7

SHA512
a97dfdf13a38bb3e49bfee67a1c15e3cf33d51bb9a12d9f66740cc12f16458dd31200aa61fba139f125c96c53e4dd66d9f3207e09859363e5fbd276ac13c06f5

Download Submit
memory/1048-8-0x0000000003A00000-0x000000000424A000-memory.dmp

Filesize
8.3MB

Download
memory/1048-6-0x0000000003A00000-0x000000000424A000-memory.dmp

Filesize
8.3MB

Download
memory/2748-7-0x0000000000400000-0x0000000000C4A000-memory.dmp

Filesize
8.3MB

Download
memory/2748-9-0x0000000000400000-0x0000000000C4A000-memory.dmp

Filesize
8.3MB

Download
memory/2748-10-0x0000000000400000-0x0000000000C4A000-memory.dmp

Filesize
8.3MB

Download