37f9a191aa8ba965713f16739d09bdbaa72db1dd2ca76d3cd12c8515243a4558

Analysis

max time kernel
141s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 11:38

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General

Target

fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe
Size

1.9MB
MD5

fe7291d063a514ecd753c4c2a7c9cc94
SHA1

4f9535edb7bcb50bc291d60d1d19bc3f3393a62c
SHA256

37f9a191aa8ba965713f16739d09bdbaa72db1dd2ca76d3cd12c8515243a4558
SHA512

dceaee7fc0470ec8da3540e0442158b6d90dea366d4c8ca3f68aac0083dc1755dede5731928cac69b2739073f674f17265994bc0e4df5378e1681fe2ab29ebab
SSDEEP

12288:ljhGsCDquFYPq9IN/EhaWkJVqqbPdTBJQpuTTntPO2m1mWP+waCwT0QH1QlPpS45:ljhTEquyP4IoUdvFPfm1mKad7WnD1u

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4636	stup.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\stup.exe	fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe
File created	C:\Program Files (x86)\Common Files\stup.exe	fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\uninstal.bat	fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	stup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4644	fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe
Token: SeDebugPrivilege	4636	stup.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4636	stup.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 3328	4644	fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe	83
PID 4644 wrote to memory of 3328	4644	fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe	83
PID 4644 wrote to memory of 3328	4644	fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe7291d063a514ecd753c4c2a7c9cc94_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3328

C:\Program Files (x86)\Common Files\stup.exe
"C:\Program Files (x86)\Common Files\stup.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\stup.exe

Filesize
1.9MB

MD5
fe7291d063a514ecd753c4c2a7c9cc94

SHA1
4f9535edb7bcb50bc291d60d1d19bc3f3393a62c

SHA256
37f9a191aa8ba965713f16739d09bdbaa72db1dd2ca76d3cd12c8515243a4558

SHA512
dceaee7fc0470ec8da3540e0442158b6d90dea366d4c8ca3f68aac0083dc1755dede5731928cac69b2739073f674f17265994bc0e4df5378e1681fe2ab29ebab

Download Submit
C:\Windows\uninstal.bat

Filesize
218B

MD5
a701b37052fc360e115ddf9ef61dc3cf

SHA1
356de93521f0c8787cdfcd9a38ba35256f50c481

SHA256
3bab3b78e2f9075a7e9b520e7809dcec04d74a6d1f0c612aabc52a5d930e1aef

SHA512
70b573e2f70196f5727f692ef50c01ffb7b12078f0886e303c8da8229f2dd87a30f205f88a3fd8b64b7cf7867e8ebce73f9314b0249bad9a1d4b593cdb9bd310

Download Submit
memory/4636-7-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/4636-8-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/4636-12-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/4636-14-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/4636-13-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/4644-0-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/4644-1-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/4644-2-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download