389cd3534f62eaacc999502ef6a1897a6e83e1d9f3082c3be78fa1f4dc0e97ad

Analysis

max time kernel
150s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:35

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General

Target

eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
Size

13KB
MD5

eaae905723241339055f9b57042f85a7
SHA1

62f116fc29d95bcd94c386405dc652ae9028fe80
SHA256

389cd3534f62eaacc999502ef6a1897a6e83e1d9f3082c3be78fa1f4dc0e97ad
SHA512

586e650efe9c3cc16d8a93b5adaeedb444ee5cf16a1eb9b70383ca66c6b4676e9527e365d0088625685bfd963febe467f124d29e79ef1d9b29b108a6712f8c1f
SSDEEP

192:mAVIBFHiBceGgC/9mUT8b+h+c5pJzoBJ02urKz1rPjHJeMgpPa18X4:mAVpeeY/kU+sbXc1jjHYMgpPC8I

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
1944	cenvtak.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1432-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x000700000002346f-4.dat	upx
behavioral2/memory/1432-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/1944-8-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cenvta.dll	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cenvtak.exe	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\cenvtak.exe	eaae905723241339055f9b57042f85a7_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	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cenvtak.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 1944	1432	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	82
PID 1432 wrote to memory of 1944	1432	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	82
PID 1432 wrote to memory of 1944	1432	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	82
PID 1432 wrote to memory of 3984	1432	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	91
PID 1432 wrote to memory of 3984	1432	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	91
PID 1432 wrote to memory of 3984	1432	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eaae905723241339055f9b57042f85a7_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\SysWOW64\cenvtak.exe
  C:\Windows\system32\cenvtak.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1944
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\eaae905723241339055f9b57042f85a7_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3984

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\eaae905723241339055f9b57042f85a7_JaffaCakes118.exe.bat

Filesize
210B

MD5
3e7334f85ec6d942435b2432ee0c4dca

SHA1
a6619881d8b666017033bfa8147ff068ca14037b

SHA256
b067a1a011c03be4f6d4b9812c4014b2f1a2d6922611d00efbd2321adc939372

SHA512
15e19dd5e38a2773ade0e56418b1b07146cb9ce8dbd36f920aa731335f1904b454bb9ed5edbf3904e0fdace3dfd37b931dd5e9eba15578f8cf4a98adffa786a7

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

Filesize
13KB

MD5
eaae905723241339055f9b57042f85a7

SHA1
62f116fc29d95bcd94c386405dc652ae9028fe80

SHA256
389cd3534f62eaacc999502ef6a1897a6e83e1d9f3082c3be78fa1f4dc0e97ad

SHA512
586e650efe9c3cc16d8a93b5adaeedb444ee5cf16a1eb9b70383ca66c6b4676e9527e365d0088625685bfd963febe467f124d29e79ef1d9b29b108a6712f8c1f

Download Submit
memory/1432-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1432-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1944-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download