7984c9446718767760af4c9d098957d3b8d3fb838fdc9da383b0701a1e958cc4

General

Target

bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe
Size

84KB
MD5

bb6078c22a2c4498670dc0d4cabb218f
SHA1

4601a4b7716e7c738c246f3d18414d2fe723942b
SHA256

7984c9446718767760af4c9d098957d3b8d3fb838fdc9da383b0701a1e958cc4
SHA512

e94b9a717c464258a33faf05113fd0cc7f99fa0be1af39c86d844cda61c14f9865424b153605194a48618f588a9b719d12fe0934ed4bdbfa2a50401b9e80fb86
SSDEEP

1536:RMmxn9AYfc7ybjx4B48q+HTtdwE0+Z0YPL0r:RXt9fsMOB48/H5dwEDzm

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2712	cmd.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2140-10-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2140-13-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2140-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2140-4-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2140-15-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2140-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
2904	tasklist.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1848 set thread context of 2140	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3052	2140	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 4 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	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2140	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2140	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2140	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2140	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2140	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2140	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2140	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2140	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	30
PID 2140 wrote to memory of 3052	2140	svchost.exe	31
PID 2140 wrote to memory of 3052	2140	svchost.exe	31
PID 2140 wrote to memory of 3052	2140	svchost.exe	31
PID 2140 wrote to memory of 3052	2140	svchost.exe	31
PID 1848 wrote to memory of 2712	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	32
PID 1848 wrote to memory of 2712	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	32
PID 1848 wrote to memory of 2712	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	32
PID 1848 wrote to memory of 2712	1848	bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe	32
PID 2712 wrote to memory of 2904	2712	cmd.exe	34
PID 2712 wrote to memory of 2904	2712	cmd.exe	34
PID 2712 wrote to memory of 2904	2712	cmd.exe	34
PID 2712 wrote to memory of 2904	2712	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 88
    3⤵
    - Program crash
    PID:3052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del bb6078c22a2c4498670dc0d4cabb218f_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

1

T1057

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2140-3-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2140-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2140-13-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2140-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2140-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2140-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2140-15-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2140-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

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