a5e71911eafae97fee7306a954ed31f70f64438f1b772ec2e7a9c488073d1aac

Analysis

max time kernel
150s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 23:35

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General

Target

dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe
Size

12KB
MD5

dd3f005c6182697a089904903f3c31ee
SHA1

afbf301f7284706b85a2e7d536aa6625d86f0d3f
SHA256

a5e71911eafae97fee7306a954ed31f70f64438f1b772ec2e7a9c488073d1aac
SHA512

c9300ee8856f30935e7f6d1f6d61c4f8e3ba6d9ef258866c76b13ab8303062960a1dc9c61e651158e828f352b49fe4da3106b91b3b856c2fa52e8e42b9157c75
SSDEEP

384:JuuGYYq/EjOmr5fDR3O3i1BjC7IxZCZcGtD1g:JjFYq/EDr5Ds3i1SIxjGtx

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
3244	telmanzk.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/0x000b000000023421-4.dat	upx
behavioral2/memory/4708-8-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/3244-11-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\telmanz.dll	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\telmanzk.exe	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\telmanzk.exe	dd3f005c6182697a089904903f3c31ee_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	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	telmanzk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4708	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe
4708	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 3244	4708	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe	90
PID 4708 wrote to memory of 3244	4708	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe	90
PID 4708 wrote to memory of 3244	4708	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe	90
PID 4708 wrote to memory of 968	4708	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe	91
PID 4708 wrote to memory of 968	4708	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe	91
PID 4708 wrote to memory of 968	4708	dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Windows\SysWOW64\telmanzk.exe
  C:\Windows\system32\telmanzk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3244
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:968

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dd3f005c6182697a089904903f3c31ee_JaffaCakes118.exe.bat

Filesize
210B

MD5
f022dfc66cb7718c933b12d1f0e8d4ae

SHA1
6c9b2524bec7e7a240f7db34765d60039d87e8b2

SHA256
e2e1f8b19dd39eee67c26b28ebbe97602ed389974abbea661d147acaa8aa88f2

SHA512
5bdc35ffc8d69c8c44d1ae9bc9ffe9117e6d0c13a4a5083737700b14c5a7a3384d5ebe6d7dc446830da9faa6336698c7f0f5b941d2bc1a1dc21ea6770d09221f

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

Filesize
12KB

MD5
dd3f005c6182697a089904903f3c31ee

SHA1
afbf301f7284706b85a2e7d536aa6625d86f0d3f

SHA256
a5e71911eafae97fee7306a954ed31f70f64438f1b772ec2e7a9c488073d1aac

SHA512
c9300ee8856f30935e7f6d1f6d61c4f8e3ba6d9ef258866c76b13ab8303062960a1dc9c61e651158e828f352b49fe4da3106b91b3b856c2fa52e8e42b9157c75

Download Submit
memory/3244-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

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

Filesize
56KB

Download
memory/4708-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download