4a13683e1df114162f22647afe54d3b000619dada1348231c6e7281489c385e9

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/05/2024, 11:01

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General

Target

5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
Size

1.9MB
MD5

5eb9e50f14e0902f1d863dd50b2fc71a
SHA1

69e66ccab143a0bc88acb232c1f00f994f26b1dd
SHA256

4a13683e1df114162f22647afe54d3b000619dada1348231c6e7281489c385e9
SHA512

50b3095ec75ed9d6797d4eff0117059239e246c6a88601b2a8e50774bde0e68ae78e012d6276ddbd363ceb8dbe9de96ddb269c3c4ac438135ea6ceed561c850a
SSDEEP

12288:RFfwcHcu8pMkZ3Fn9d+Vd3SUZ+7EeI1x7f7V3+hT6DaRWz58kc+1xy8SyGV4m:RJcu8pl9d+VdCUhN1SsNK+1pSyw4m

Score

10^/10

aspackv2 persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	services.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	services.exe

Modifies Installed Components in the registry 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	services.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x00080000000233f2-19.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

pid	Process
2308	fservice.exe
1128	services.exe

Loads dropped DLL 5 IoCs

pid	Process
1128	services.exe
1128	services.exe
1128	services.exe
2308	fservice.exe
3916	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\fservice.exe	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File created	C:\Windows\SysWOW64\winkey.dll	services.exe
File created	C:\Windows\SysWOW64\reginv.dll	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
File created	C:\Windows\services.exe	fservice.exe
File opened for modification	C:\Windows\services.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	fservice.exe
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe
1128	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1128	services.exe
1128	services.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 2308	3916	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe	83
PID 3916 wrote to memory of 2308	3916	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe	83
PID 3916 wrote to memory of 2308	3916	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe	83
PID 2308 wrote to memory of 1128	2308	fservice.exe	85
PID 2308 wrote to memory of 1128	2308	fservice.exe	85
PID 2308 wrote to memory of 1128	2308	fservice.exe	85
PID 1128 wrote to memory of 3988	1128	services.exe	87
PID 1128 wrote to memory of 3988	1128	services.exe	87
PID 1128 wrote to memory of 3988	1128	services.exe	87
PID 1128 wrote to memory of 1532	1128	services.exe	88
PID 1128 wrote to memory of 1532	1128	services.exe	88
PID 1128 wrote to memory of 1532	1128	services.exe	88
PID 1532 wrote to memory of 2068	1532	NET.exe	91
PID 1532 wrote to memory of 2068	1532	NET.exe	91
PID 1532 wrote to memory of 2068	1532	NET.exe	91
PID 3988 wrote to memory of 2764	3988	NET.exe	92
PID 3988 wrote to memory of 2764	3988	NET.exe	92
PID 3988 wrote to memory of 2764	3988	NET.exe	92
PID 3916 wrote to memory of 1424	3916	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe	102
PID 3916 wrote to memory of 1424	3916	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe	102
PID 3916 wrote to memory of 1424	3916	5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe	102

C:\Users\Admin\AppData\Local\Temp\5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Windows\SysWOW64\fservice.exe
  C:\Windows\system32\fservice.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\services.exe
    C:\Windows\services.exe -XP
    3⤵
    - Modifies WinLogon for persistence
    - Adds policy Run key to start application
    - Modifies Installed Components in the registry
    - Executes dropped EXE
    - Loads dropped DLL
    - Modifies WinLogon
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1128
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP srservice
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3988
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        5⤵
        
        PID:2764
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP navapsvc
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1532
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        5⤵
        
        PID:2068
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe.bat
  2⤵
  PID:1424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\5eb9e50f14e0902f1d863dd50b2fc71a_JaffaCakes118.exe.bat

Filesize
133B

MD5
eb5e46ad651b804fdc207de35687bf4c

SHA1
5d131b12ca4029a5c7a0988691eb3390f7c21b77

SHA256
f94e08acb68f3a3a06f790b5450b0c2544fc61dc9621b971b61810b116a233cc

SHA512
d5e8265dc2b94df73822106bad003c17fa4a4266067b5e76dcfaf7771ba94056335bc47daf2d77bb517c4064a3be3f89f8a6287ec7986fdf9b951cc438982f2f

Download Submit
C:\Windows\SysWOW64\fservice.exe

Filesize
1.9MB

MD5
5eb9e50f14e0902f1d863dd50b2fc71a

SHA1
69e66ccab143a0bc88acb232c1f00f994f26b1dd

SHA256
4a13683e1df114162f22647afe54d3b000619dada1348231c6e7281489c385e9

SHA512
50b3095ec75ed9d6797d4eff0117059239e246c6a88601b2a8e50774bde0e68ae78e012d6276ddbd363ceb8dbe9de96ddb269c3c4ac438135ea6ceed561c850a

Download Submit
C:\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
562e0d01d6571fa2251a1e9f54c6cc69

SHA1
83677ad3bc630aa6327253c7b3deffbd4a8ce905

SHA256
c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

SHA512
166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

Download Submit
C:\Windows\SysWOW64\winkey.dll

Filesize
13KB

MD5
b4c72da9fd1a0dcb0698b7da97daa0cd

SHA1
b25a79e8ea4c723c58caab83aed6ea48de7ed759

SHA256
45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

SHA512
f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

Download Submit
memory/1128-41-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/1128-44-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-17-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/1128-64-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-62-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-60-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-38-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1128-37-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-58-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-39-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-42-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-21-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1128-46-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-48-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-50-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-52-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-54-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/1128-56-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/2308-8-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/2308-31-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/3916-0-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/3916-35-0x0000000000400000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download