b101ef477d44db43d9fbefe01450ae7b4e5ce6408f126c2bba3db6737cb081b2

Analysis

max time kernel
140s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 23:44

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General

Target

b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe
Size

362KB
MD5

b152d7b2933b5005e54c7800e21e6b51
SHA1

56b641a15bc654a5a6c9f86c98793a50708a3619
SHA256

b101ef477d44db43d9fbefe01450ae7b4e5ce6408f126c2bba3db6737cb081b2
SHA512

b45a2325c729d2276b0fd52e301f20f6fee3e0478c9267bdc44382029621a2b9375264635439519757ae7b47cf27ffcaafefa7f81961ddca159199a5f56600e3
SSDEEP

6144:X6OnEyX6AlqGkfSOBlWWRmGwL4QQgKKX8x7/2xWqWma2XDzHPt281B6zk:rnzX66hpOjWtGNgDUiWqWNKDrt2Q6zk

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2672	WinHelp32.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WinHelp32.exe	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\WinHelp32.exe	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\WinHelp32.exe	WinHelp32.exe

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	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinHelp32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4988	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2672	WinHelp32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 2672	4988	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe	91
PID 4988 wrote to memory of 2672	4988	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe	91
PID 4988 wrote to memory of 2672	4988	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe	91
PID 4988 wrote to memory of 4560	4988	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe	92
PID 4988 wrote to memory of 4560	4988	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe	92
PID 4988 wrote to memory of 4560	4988	b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe	92
PID 2672 wrote to memory of 1808	2672	WinHelp32.exe	93
PID 2672 wrote to memory of 1808	2672	WinHelp32.exe	93
PID 2672 wrote to memory of 1808	2672	WinHelp32.exe	93

C:\Users\Admin\AppData\Local\Temp\b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b152d7b2933b5005e54c7800e21e6b51_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\SysWOW64\WinHelp32.exe
  "C:\Windows\system32\WinHelp32.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\WINHEL~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1808
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\B152D7~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4560

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4060,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:4400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\WinHelp32.exe

Filesize
362KB

MD5
b152d7b2933b5005e54c7800e21e6b51

SHA1
56b641a15bc654a5a6c9f86c98793a50708a3619

SHA256
b101ef477d44db43d9fbefe01450ae7b4e5ce6408f126c2bba3db6737cb081b2

SHA512
b45a2325c729d2276b0fd52e301f20f6fee3e0478c9267bdc44382029621a2b9375264635439519757ae7b47cf27ffcaafefa7f81961ddca159199a5f56600e3

Download Submit
memory/2672-8-0x0000000000400000-0x0000000000564000-memory.dmp

Filesize
1.4MB

Download
memory/2672-10-0x0000000000400000-0x0000000000564000-memory.dmp

Filesize
1.4MB

Download
memory/4988-0-0x0000000000400000-0x0000000000564000-memory.dmp

Filesize
1.4MB

Download
memory/4988-1-0x0000000000400000-0x0000000000564000-memory.dmp

Filesize
1.4MB

Download
memory/4988-7-0x0000000000400000-0x0000000000564000-memory.dmp

Filesize
1.4MB

Download