bee5b3626c14fe054f41e79ad546415801d17222c9a18e778a1e997a2d12a76c

Analysis

max time kernel
30s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-08-2024 21:28

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General

Target

81c95b8af4147bdff145d58808608c9f_JaffaCakes118.exe
Size

9.2MB
MD5

81c95b8af4147bdff145d58808608c9f
SHA1

6818e76e76ff7d9a0ded4d7c3cdb0bc41365e556
SHA256

bee5b3626c14fe054f41e79ad546415801d17222c9a18e778a1e997a2d12a76c
SHA512

ac72697f51f042934fb987da6e5f932c4471398564f4d0b6ab57238f6326fe0fbf83d062711d9190a714b738f781a2f963baf3d2ec2490c97303a56603ecbbd0
SSDEEP

3072:FS9/gCQ+2mI7DLn7o/EAJXQLSX3+2mI7DLn7o/EAJXQLSXSiafoVNEqrfSacCclQ:YtjImELSujImELSzafUNEqDSacCmli

Score

8^/10

discovery upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\svzoolv.exe	81c95b8af4147bdff145d58808608c9f_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2296	svzoolv.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1496-3-0x0000000000400000-0x0000000000D3A000-memory.dmp	upx
behavioral1/memory/2296-7-0x0000000000400000-0x0000000000D3A000-memory.dmp	upx
behavioral1/memory/1496-8-0x0000000000400000-0x0000000000D3A000-memory.dmp	upx
behavioral1/memory/2296-9-0x0000000000400000-0x0000000000D3A000-memory.dmp	upx
behavioral1/memory/1496-14-0x0000000000400000-0x0000000000D3A000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\keys.ini	81c95b8af4147bdff145d58808608c9f_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1640	2296	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	svzoolv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 1640	2296	svzoolv.exe	31
PID 2296 wrote to memory of 1640	2296	svzoolv.exe	31
PID 2296 wrote to memory of 1640	2296	svzoolv.exe	31
PID 2296 wrote to memory of 1640	2296	svzoolv.exe	31

C:\Users\Admin\AppData\Local\Temp\81c95b8af4147bdff145d58808608c9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81c95b8af4147bdff145d58808608c9f_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Drops file in Windows directory
PID:1496

C:\Windows\SysWOW64\drivers\svzoolv.exe
C:\Windows\SysWOW64\drivers\svzoolv.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 200
  2⤵
  - Program crash
  PID:1640

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\drivers\svzoolv.exe

Filesize
9.2MB

MD5
81c95b8af4147bdff145d58808608c9f

SHA1
6818e76e76ff7d9a0ded4d7c3cdb0bc41365e556

SHA256
bee5b3626c14fe054f41e79ad546415801d17222c9a18e778a1e997a2d12a76c

SHA512
ac72697f51f042934fb987da6e5f932c4471398564f4d0b6ab57238f6326fe0fbf83d062711d9190a714b738f781a2f963baf3d2ec2490c97303a56603ecbbd0

Download Submit
memory/1496-0-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/1496-3-0x0000000000400000-0x0000000000D3A000-memory.dmp

Filesize
9.2MB

Download
memory/1496-8-0x0000000000400000-0x0000000000D3A000-memory.dmp

Filesize
9.2MB

Download
memory/1496-14-0x0000000000400000-0x0000000000D3A000-memory.dmp

Filesize
9.2MB

Download
memory/2296-5-0x0000000000400000-0x0000000000D3A000-memory.dmp

Filesize
9.2MB

Download
memory/2296-7-0x0000000000400000-0x0000000000D3A000-memory.dmp

Filesize
9.2MB

Download
memory/2296-9-0x0000000000400000-0x0000000000D3A000-memory.dmp

Filesize
9.2MB

Download