f149c6c5ab9e2011f4111b9d01e8c1ec881d9af67ed476d3fce8418d00e76368

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 11:46

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General

Target

85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe
Size

11KB
MD5

85ee20720ad61e9b9fab865f96d5abef
SHA1

4515ae93fb73775aa02323014d2e4a129e9470e7
SHA256

f149c6c5ab9e2011f4111b9d01e8c1ec881d9af67ed476d3fce8418d00e76368
SHA512

abbebe16a4a29ed3d0c425ca3875e09f0c55b9746d4c9601a22b4b4719dbfca50cbaffd221db4417d4e3332c1b85225c78aed0b942f0c9eaecb28f091564bd9f
SSDEEP

192:CwpKdCk3FGDbC6O7rlCKbHoCw2D4rGYhA4JEI/V++lb0IUqHIbBg:1pKH3FBf6Cw2D4rl1t1Xgg

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
1996	catowerk.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4708-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/files/0x00080000000234cf-4.dat	upx
behavioral2/memory/4708-6-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/1996-7-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\catower.dll	85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\catowerk.exe	85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\catowerk.exe	85ee20720ad61e9b9fab865f96d5abef_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	85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	catowerk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 1996	4708	85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe	86
PID 4708 wrote to memory of 1996	4708	85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe	86
PID 4708 wrote to memory of 1996	4708	85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe	86
PID 4708 wrote to memory of 1136	4708	85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe	96
PID 4708 wrote to memory of 1136	4708	85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe	96
PID 4708 wrote to memory of 1136	4708	85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Windows\SysWOW64\catowerk.exe
  C:\Windows\system32\catowerk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1996
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\85ee20720ad61e9b9fab865f96d5abef_JaffaCakes118.exe.bat

Filesize
210B

MD5
25e4275c2296dcebc3e140f49cac79dd

SHA1
b592f99041f5f87e9913ba32e7da3a0732ea70cf

SHA256
19b51b568f3233bd33af22f034ee9e66b503ca7854e854cd6160f881be794654

SHA512
23e0aa3e59cf8ff3b60f246cf1d88ef4515615dbf02241239112484359809ca556c4711574f6497cbfeb7d2fec6d9fa4e198fe60ce794c5af3ef792df0a9ed59

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

Filesize
11KB

MD5
85ee20720ad61e9b9fab865f96d5abef

SHA1
4515ae93fb73775aa02323014d2e4a129e9470e7

SHA256
f149c6c5ab9e2011f4111b9d01e8c1ec881d9af67ed476d3fce8418d00e76368

SHA512
abbebe16a4a29ed3d0c425ca3875e09f0c55b9746d4c9601a22b4b4719dbfca50cbaffd221db4417d4e3332c1b85225c78aed0b942f0c9eaecb28f091564bd9f

Download Submit
memory/1996-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4708-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4708-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download