df27a81d101b133c0254000f3757a564c5a3a88e2bd6562d4af593a7b0e1c6f0

Analysis

max time kernel
102s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 05:14

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General

Target

2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe
Size

168KB
MD5

2b8039c78c4dad17c2d0c342322f7680
SHA1

0fa86493bbc6c05d2c643d0c329939368cb5c989
SHA256

df27a81d101b133c0254000f3757a564c5a3a88e2bd6562d4af593a7b0e1c6f0
SHA512

456c3203e8ad28f4e9342fc8128b1b3101ed90ab773eb86a49023d8c2275b608ddecc0e8af1f19db9939027327d3749c55509dcfc9ce53cc71233296d0cd8593
SSDEEP

3072:gcD0SAY4yKdEvffYiihhnSBPKk4cGSgMpurEqDaB2Z+C:hDCWYii7nSBSk41SD4k2Z+

Score

10^/10

discovery evasion execution persistence trojan

Malware Config

Signatures

Disables service(s) 3 TTPs
evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	8jll534.exe

Executes dropped EXE 2 IoCs

pid	Process
2160	8jll534.exe
1332	8jll534.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\65zdzc = "C:\\Users\\Admin\\AppData\\Roaming\\8jll534.exe"	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\GrpConv = "grpconv -o"	Rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe

Launches sc.exe 2 IoCs

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

pid	Process
4884	sc.exe
4424	sc.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 13 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	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.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	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	runonce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	grpconv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8jll534.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8jll534.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	runonce.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	runonce.exe

Runs net.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe
3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe
3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe
2160	8jll534.exe
2160	8jll534.exe
2160	8jll534.exe
1332	8jll534.exe
1332	8jll534.exe
1332	8jll534.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 4336	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	87
PID 3612 wrote to memory of 4336	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	87
PID 3612 wrote to memory of 4336	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	87
PID 3612 wrote to memory of 4884	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	88
PID 3612 wrote to memory of 4884	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	88
PID 3612 wrote to memory of 4884	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	88
PID 3612 wrote to memory of 4488	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	89
PID 3612 wrote to memory of 4488	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	89
PID 3612 wrote to memory of 4488	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	89
PID 3612 wrote to memory of 4424	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	91
PID 3612 wrote to memory of 4424	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	91
PID 3612 wrote to memory of 4424	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	91
PID 3612 wrote to memory of 2160	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	93
PID 3612 wrote to memory of 2160	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	93
PID 3612 wrote to memory of 2160	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	93
PID 3612 wrote to memory of 4184	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	96
PID 3612 wrote to memory of 4184	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	96
PID 3612 wrote to memory of 4184	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	96
PID 4336 wrote to memory of 4572	4336	net.exe	97
PID 4336 wrote to memory of 4572	4336	net.exe	97
PID 4336 wrote to memory of 4572	4336	net.exe	97
PID 4488 wrote to memory of 2208	4488	net.exe	98
PID 4488 wrote to memory of 2208	4488	net.exe	98
PID 4488 wrote to memory of 2208	4488	net.exe	98
PID 4184 wrote to memory of 3728	4184	Rundll32.exe	99
PID 4184 wrote to memory of 3728	4184	Rundll32.exe	99
PID 4184 wrote to memory of 3728	4184	Rundll32.exe	99
PID 3612 wrote to memory of 4396	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	100
PID 3612 wrote to memory of 4396	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	100
PID 3612 wrote to memory of 4396	3612	2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe	100
PID 3728 wrote to memory of 4680	3728	runonce.exe	102
PID 3728 wrote to memory of 4680	3728	runonce.exe	102
PID 3728 wrote to memory of 4680	3728	runonce.exe	102
PID 2160 wrote to memory of 1332	2160	8jll534.exe	103
PID 2160 wrote to memory of 1332	2160	8jll534.exe	103
PID 2160 wrote to memory of 1332	2160	8jll534.exe	103

C:\Users\Admin\AppData\Local\Temp\2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2b8039c78c4dad17c2d0c342322f7680_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3612
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Security Center"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4336
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Security Center"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4572
- C:\Windows\SysWOW64\sc.exe
  sc config wscsvc start= DISABLED
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4884
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4488
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2208
- C:\Windows\SysWOW64\sc.exe
  sc config SharedAccess start= DISABLED
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4424
- C:\Users\Admin\AppData\Roaming\8jll534.exe
  C:\Users\Admin\AppData\Roaming\8jll534.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Users\Admin\AppData\Roaming\8jll534.exe
    C:\Users\Admin\AppData\Roaming\8jll534.exe -dE1F25AB072B5954A18E93E196F2BDFDAB4213A4A492B25ECABC73F49C117721AE79B5E432D51124C99EDD17E704EAF87D1123FD72982BAE64B723C402B540C7E8CC50FA02D25CE222E6FB9FEC338969C794E327E8D3CD2D23280F69EAF5B6AECB8EFC0D2819FA1114C8A96C187443C69B10C0536A3F8E7D0F5D7AEE089F6D4658E9801A87437A570A899491A17D38C1CBE53E9E9D72DB1F068F3E5BA37D6D43C7411A4D994E0332D3760F4AE128FAE31254E4EFDD6F32991A0AD5BD4764E32E80E71B8AAADE1E31E2E5EF66C54C50A4AAC12E6A38DC08804F31013834187F72042FE8F83CE7C90210203F362F9334B085762A1882A5947F3F5454CC4D8236D0634DABB1142CA50E46780C9F56029589E6ACAB188193620BB7B4C88C0B61B1C264B070BFC97DC7F42546A9BE4243A5CB06CBA863C07850B3E9BA888FF98E1CEB32A6A922B9945B41FFC26C9EA24EABE622102D2B0E1204169A94B4DEA7C738B0FB6359FD85705C911D53CF5917C7D28BB8F4285D6D55F3B593A70174B9F339D7F1555C5191C77D72195C8FF7888888439F922D1E44F7DB2C824E869347D638C9EAC3F
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1332
- C:\Windows\SysWOW64\Rundll32.exe
  Rundll32.exe setupapi,InstallHinfSection DefaultInstall 128 C:\Users\Admin\AppData\Roaming\mdinstall.inf
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4184
- - C:\Windows\SysWOW64\runonce.exe
    "C:\Windows\system32\runonce.exe" -r
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:3728
  - - C:\Windows\SysWOW64\grpconv.exe
      "C:\Windows\System32\grpconv.exe" -o
      4⤵
      System Location Discovery: System Language Discovery
      PID:4680
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\e6kd7gnc.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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\8jll534.exe

Filesize
168KB

MD5
2b8039c78c4dad17c2d0c342322f7680

SHA1
0fa86493bbc6c05d2c643d0c329939368cb5c989

SHA256
df27a81d101b133c0254000f3757a564c5a3a88e2bd6562d4af593a7b0e1c6f0

SHA512
456c3203e8ad28f4e9342fc8128b1b3101ed90ab773eb86a49023d8c2275b608ddecc0e8af1f19db9939027327d3749c55509dcfc9ce53cc71233296d0cd8593

Download Submit
C:\Users\Admin\AppData\Roaming\e6kd7gnc.bat

Filesize
218B

MD5
0af0ae8b58d8dd9a1970c0b2c5fc4d07

SHA1
60c3066af5ad2dd0a9893d1cec817105260a0b7f

SHA256
d3a30aa9d61c46cf8c431c5ef3665cc6c10c4c20b213b6cd9fb4c836192bd8ef

SHA512
7044b55b000e15bccef9dca52e949baccbe03548d4456006c8b32b27508c03b80eb168f4a3606325e69c12519421a90b02424535b14553c3c9b6faed1c323575

Download Submit
C:\Users\Admin\AppData\Roaming\mdinstall.inf

Filesize
410B

MD5
3ccb3b743b0d79505a75476800c90737

SHA1
b5670f123572972883655ef91c69ecc2be987a63

SHA256
5d96bec9bc06fd8d7abc11efbb3cb263844ee0416910f63581dd7848b4e1d8dd

SHA512
09b1cdd4393f515f7569fbccc3f63051823ed7292b6e572bc9a34e4389b727b2914b22118e874864ccb32ef63016b2abd6d84510fd46fdee712fd84be59c114e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads