8170409530e1b8e6abaf8b2e2c24cb994ec723a708d02a08fa4194988af84e28

General

Target

9fd0c526a938963121389e45af783168_JaffaCakes118.exe
Size

1.5MB
MD5

9fd0c526a938963121389e45af783168
SHA1

eb2c1a7598e88495753f694bf3dace72e90a1ae6
SHA256

8170409530e1b8e6abaf8b2e2c24cb994ec723a708d02a08fa4194988af84e28
SHA512

10af02a77e1aaf758e6ae8826bba57bdf68b1383b6e04125f16b9749af2bd8d7ccd5222c79aad65300917555d17439900ef0fdf533411d6de379b83524b60b87
SSDEEP

24576:z8g0hN/j0wzdHI1GjD1OveT4XB693oWMLGQS3+ReMYJgXNosFqYxnFgX0TBOc:gN/jLzdHI1GjD1exx69dMKQk0eMYJgXv

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1504	My_Server.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine	My_Server.exe

Loads dropped DLL 4 IoCs

pid	Process
2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
1504	My_Server.exe
1504	My_Server.exe
1504	My_Server.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2272-0-0x0000000000400000-0x000000000057D000-memory.dmp	themida
behavioral1/memory/2272-8-0x0000000000400000-0x000000000057D000-memory.dmp	themida
behavioral1/memory/2272-13-0x0000000000400000-0x000000000057D000-memory.dmp	themida
behavioral1/files/0x000800000001211b-15.dat	themida
behavioral1/memory/1504-22-0x0000000000400000-0x000000000057D000-memory.dmp	themida
behavioral1/memory/1504-25-0x0000000000400000-0x000000000057D000-memory.dmp	themida
behavioral1/memory/2272-34-0x0000000000400000-0x000000000057D000-memory.dmp	themida
behavioral1/memory/1504-33-0x0000000000400000-0x000000000057D000-memory.dmp	themida

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\My_Server.exe	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\My_Server.exe	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\win.com	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\My_Server.exe	My_Server.exe
File created	C:\Windows\SysWOW64\My_Server.exe	My_Server.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	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	My_Server.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
1504	My_Server.exe
1504	My_Server.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	1504	My_Server.exe
Token: SeBackupPrivilege	1504	My_Server.exe
Token: SeRestorePrivilege	2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
Token: SeBackupPrivilege	2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe
1504	My_Server.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1504	2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe	30
PID 2272 wrote to memory of 1504	2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe	30
PID 2272 wrote to memory of 1504	2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe	30
PID 2272 wrote to memory of 1504	2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe	30
PID 2272 wrote to memory of 1504	2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe	30
PID 2272 wrote to memory of 1504	2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe	30
PID 2272 wrote to memory of 1504	2272	9fd0c526a938963121389e45af783168_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\9fd0c526a938963121389e45af783168_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9fd0c526a938963121389e45af783168_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\My_Server.exe
  C:\Windows\system32\My_Server.exe 1
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\My_Server.exe

Filesize
1.5MB

MD5
9fd0c526a938963121389e45af783168

SHA1
eb2c1a7598e88495753f694bf3dace72e90a1ae6

SHA256
8170409530e1b8e6abaf8b2e2c24cb994ec723a708d02a08fa4194988af84e28

SHA512
10af02a77e1aaf758e6ae8826bba57bdf68b1383b6e04125f16b9749af2bd8d7ccd5222c79aad65300917555d17439900ef0fdf533411d6de379b83524b60b87

Download Submit
memory/1504-22-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/1504-26-0x0000000000CA0000-0x0000000000E1D000-memory.dmp

Filesize
1.5MB

Download
memory/1504-33-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/1504-25-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/1504-23-0x0000000000CA0000-0x0000000000E1D000-memory.dmp

Filesize
1.5MB

Download
memory/1504-24-0x0000000000CA0000-0x0000000000E1D000-memory.dmp

Filesize
1.5MB

Download
memory/2272-2-0x0000000000B60000-0x0000000000C53000-memory.dmp

Filesize
972KB

Download
memory/2272-13-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/2272-0-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/2272-8-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/2272-1-0x0000000000AE0000-0x0000000000C5D000-memory.dmp

Filesize
1.5MB

Download
memory/2272-35-0x0000000000401000-0x000000000043D000-memory.dmp

Filesize
240KB

Download
memory/2272-34-0x0000000000400000-0x000000000057D000-memory.dmp

Filesize
1.5MB

Download
memory/2272-4-0x0000000000401000-0x000000000043D000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads