bc371d123606572ce4ca188187794bf583c5f4be4733a7da9fac607cb665d80f

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 20:29

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General

Target

c183c7966e98f726bb472e20febed366_JaffaCakes118.dll
Size

21KB
MD5

c183c7966e98f726bb472e20febed366
SHA1

159d6fb5bdda86f8966e458fc0eef590eb255125
SHA256

bc371d123606572ce4ca188187794bf583c5f4be4733a7da9fac607cb665d80f
SHA512

2f5e38d03ee2f83f90a6dd7b5d610d4c3c877636ba981286324e116b0c560deab9d931cd07842593bd8b2a8d69433ae58d857a53470c273e8c69d5e62a4d870b
SSDEEP

384:ELWCpCJ6x37z8MxLvLW9GhOEv+fmuhx+VqC0eWPpnwDL9ADemjx5uo:izZhFxLDW9Gc9fmuhxKqCCyL93mP

Score

8^/10

discovery evasion execution upx

Malware Config

Signatures

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1732-0-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/1732-1-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/1732-14-0x0000000000400000-0x000000000041F000-memory.dmp	upx

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2772	sc.exe
2852	sc.exe
2832	sc.exe
2868	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe
1732	rundll32.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	rundll32.exe
Token: SeRestorePrivilege	1732	rundll32.exe
Token: SeRestorePrivilege	1732	rundll32.exe
Token: SeRestorePrivilege	1732	rundll32.exe
Token: SeRestorePrivilege	1732	rundll32.exe
Token: SeRestorePrivilege	1732	rundll32.exe
Token: SeRestorePrivilege	1732	rundll32.exe
Token: SeRestorePrivilege	1732	rundll32.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1732	1944	rundll32.exe	29
PID 1944 wrote to memory of 1732	1944	rundll32.exe	29
PID 1944 wrote to memory of 1732	1944	rundll32.exe	29
PID 1944 wrote to memory of 1732	1944	rundll32.exe	29
PID 1944 wrote to memory of 1732	1944	rundll32.exe	29
PID 1944 wrote to memory of 1732	1944	rundll32.exe	29
PID 1944 wrote to memory of 1732	1944	rundll32.exe	29
PID 1732 wrote to memory of 2504	1732	rundll32.exe	30
PID 1732 wrote to memory of 2504	1732	rundll32.exe	30
PID 1732 wrote to memory of 2504	1732	rundll32.exe	30
PID 1732 wrote to memory of 2504	1732	rundll32.exe	30
PID 1732 wrote to memory of 2772	1732	rundll32.exe	32
PID 1732 wrote to memory of 2772	1732	rundll32.exe	32
PID 1732 wrote to memory of 2772	1732	rundll32.exe	32
PID 1732 wrote to memory of 2772	1732	rundll32.exe	32
PID 1732 wrote to memory of 2852	1732	rundll32.exe	34
PID 1732 wrote to memory of 2852	1732	rundll32.exe	34
PID 1732 wrote to memory of 2852	1732	rundll32.exe	34
PID 1732 wrote to memory of 2852	1732	rundll32.exe	34
PID 1732 wrote to memory of 2832	1732	rundll32.exe	36
PID 1732 wrote to memory of 2832	1732	rundll32.exe	36
PID 1732 wrote to memory of 2832	1732	rundll32.exe	36
PID 1732 wrote to memory of 2832	1732	rundll32.exe	36
PID 1732 wrote to memory of 2868	1732	rundll32.exe	38
PID 1732 wrote to memory of 2868	1732	rundll32.exe	38
PID 1732 wrote to memory of 2868	1732	rundll32.exe	38
PID 1732 wrote to memory of 2868	1732	rundll32.exe	38

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c183c7966e98f726bb472e20febed366_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c183c7966e98f726bb472e20febed366_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\System32\reg.exe import "C:\Users\Admin\wbnq.avi"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2504
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe config PolicyAgent start=auto
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2772
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2852
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe start PolicyAgent
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2832
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Drv.sys

Filesize
3KB

MD5
488158ac314a998c996972057eb0bfc9

SHA1
a98a499530aaa4f069fa174228d88698df56392d

SHA256
309cd5c841c581f89bc8ce48741d2f6f075251b448764b7627afab76fdf0913a

SHA512
2746f997a0ec394e143dfa63512e122d3ba252f032dc01a9e508ea3d740c15d488b4525f0a1733d0a364d166a4d810ba651802841ca07f39eb17f4ed52367d86

Download Submit
C:\Users\Admin\wbnq.avi

Filesize
56KB

MD5
bc8025bc98da7f4ed891c9f9991d3ff1

SHA1
70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

SHA256
59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

SHA512
7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

Download Submit
memory/1732-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1732-1-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1732-14-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download