ec6645364c0dd8bbea4b969667aa792858743b58b882adb31802e22b8a2c5333

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 02:16

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General

Target

b5f8a5bc8d454d85a6fe30cf98385d6e_JaffaCakes118.exe
Size

36KB
MD5

b5f8a5bc8d454d85a6fe30cf98385d6e
SHA1

a8320a4c73a8163896e2a5b51e992afd48ee318f
SHA256

ec6645364c0dd8bbea4b969667aa792858743b58b882adb31802e22b8a2c5333
SHA512

c3a4a844f4ef8d939ed923fe7ac75672a1d41e5b89e66e1f284c76d6b81705c4dcb0073614c326d5606af4bdeb806b5ccdc4910910b4aa6846f28527bb1b118d
SSDEEP

768:oclMvl/8yv6XmJ9Tw01PL9ZVNzLk4qj76KDUh8AKBMXZLM:ocG8yCmrTV1PpbNzLoeK4KBMXZY

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2980	svchost.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dxdiag.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dxdiag.exe	svchost.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2768-0-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/files/0x000d00000001224d-12.dat	upx

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	b5f8a5bc8d454d85a6fe30cf98385d6e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2768	b5f8a5bc8d454d85a6fe30cf98385d6e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2980	2768	b5f8a5bc8d454d85a6fe30cf98385d6e_JaffaCakes118.exe	30
PID 2768 wrote to memory of 2980	2768	b5f8a5bc8d454d85a6fe30cf98385d6e_JaffaCakes118.exe	30
PID 2768 wrote to memory of 2980	2768	b5f8a5bc8d454d85a6fe30cf98385d6e_JaffaCakes118.exe	30
PID 2768 wrote to memory of 2980	2768	b5f8a5bc8d454d85a6fe30cf98385d6e_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\b5f8a5bc8d454d85a6fe30cf98385d6e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b5f8a5bc8d454d85a6fe30cf98385d6e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Deletes itself
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:2980

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:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dxdiag.exe

Filesize
36KB

MD5
b5f8a5bc8d454d85a6fe30cf98385d6e

SHA1
a8320a4c73a8163896e2a5b51e992afd48ee318f

SHA256
ec6645364c0dd8bbea4b969667aa792858743b58b882adb31802e22b8a2c5333

SHA512
c3a4a844f4ef8d939ed923fe7ac75672a1d41e5b89e66e1f284c76d6b81705c4dcb0073614c326d5606af4bdeb806b5ccdc4910910b4aa6846f28527bb1b118d

Download Submit
memory/2768-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2768-1-0x00000000001D0000-0x00000000001D3000-memory.dmp

Filesize
12KB

Download
memory/2768-2-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/2768-5-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/2768-4-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2980-10-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/2980-9-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/2980-31-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download