151fe085a1b45edea1dc1fd1179ff88473fd009349a38183187fe1d9d81260b4

Analysis

max time kernel
93s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:26

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General

Target

81c7bd1b5fc8b9922942ede222a639e5_JaffaCakes118.dll
Size

67KB
MD5

81c7bd1b5fc8b9922942ede222a639e5
SHA1

1b90e8344af4cd9d2cb184bb8ba3c821ad56e89c
SHA256

151fe085a1b45edea1dc1fd1179ff88473fd009349a38183187fe1d9d81260b4
SHA512

9c8e1ffd61996f64bce26eb9e77c57ddc2bd10f145a8c4098d7ccb6195f8c218d8f18752fb96964e920114f88c005fc3836c2d61b2541bfdfeee3db07145e417
SSDEEP

1536:qBZbxh6Q39D4XxhOtLvFDvTEpo1GYGkMwy0Gv:qnL6Max8tsJx0Gv

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4312-0-0x0000000000A10000-0x0000000000A1E000-memory.dmp	upx
behavioral2/memory/4312-3-0x0000000000A10000-0x0000000000A1E000-memory.dmp	upx
behavioral2/memory/4312-4-0x0000000000A10000-0x0000000000A1E000-memory.dmp	upx
behavioral2/memory/4312-6-0x0000000000A10000-0x0000000000A1E000-memory.dmp	upx
behavioral2/memory/4312-7-0x0000000000A10000-0x0000000000A1E000-memory.dmp	upx
behavioral2/memory/4312-8-0x0000000000A10000-0x0000000000A1E000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 4312	1604	rundll32.exe	84
PID 1604 wrote to memory of 4312	1604	rundll32.exe	84
PID 1604 wrote to memory of 4312	1604	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81c7bd1b5fc8b9922942ede222a639e5_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\81c7bd1b5fc8b9922942ede222a639e5_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4312

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

memory/4312-0-0x0000000000A10000-0x0000000000A1E000-memory.dmp

Filesize
56KB

Download
memory/4312-3-0x0000000000A10000-0x0000000000A1E000-memory.dmp

Filesize
56KB

Download
memory/4312-4-0x0000000000A10000-0x0000000000A1E000-memory.dmp

Filesize
56KB

Download
memory/4312-5-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/4312-6-0x0000000000A10000-0x0000000000A1E000-memory.dmp

Filesize
56KB

Download
memory/4312-7-0x0000000000A10000-0x0000000000A1E000-memory.dmp

Filesize
56KB

Download
memory/4312-8-0x0000000000A10000-0x0000000000A1E000-memory.dmp

Filesize
56KB

Download