6e0cb9dc708b66806c60b6917735680528fe025574667fc36e0750e9e749aab1

Analysis

max time kernel
96s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 00:57

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General

Target

JaffaCakes118_127174fe9a8c19f58ef466ea84316295.dll
Size

1.2MB
MD5

127174fe9a8c19f58ef466ea84316295
SHA1

330d313f3415de7d0ff2f59aafc616913183c33c
SHA256

6e0cb9dc708b66806c60b6917735680528fe025574667fc36e0750e9e749aab1
SHA512

26fde063b598703eabd8105d0116831f20b67e23474c5acc7558ae1795f746e2e1fe5df937dd468c201c3145f1e61b2b31f5f84cde67be139658744251115093
SSDEEP

24576:/KMa+QECSwrS2yUJ0AvivK3hPAnYGLzRxahfTN9Wn+lNs6wWKyM7Bfft8ypGYRZb:IDJzDljp0X1yoHtjTjQYPPbxA8

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5068	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b82-3.dat	upx
behavioral2/memory/5068-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/5068-7-0x0000000000400000-0x0000000000454000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2140	5068	WerFault.exe	86
1760	4900	WerFault.exe	85

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	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 4900	4996	regsvr32.exe	85
PID 4996 wrote to memory of 4900	4996	regsvr32.exe	85
PID 4996 wrote to memory of 4900	4996	regsvr32.exe	85
PID 4900 wrote to memory of 5068	4900	regsvr32.exe	86
PID 4900 wrote to memory of 5068	4900	regsvr32.exe	86
PID 4900 wrote to memory of 5068	4900	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_127174fe9a8c19f58ef466ea84316295.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_127174fe9a8c19f58ef466ea84316295.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    PID:5068
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 268
      4⤵
      Program crash
      PID:2140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 736
    3⤵
    - Program crash
    PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4900 -ip 4900
1⤵
PID:2616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5068 -ip 5068
1⤵
PID:4240

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

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Downloads

C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
99KB

MD5
f57eee1185dee33198b752dd1f66ad55

SHA1
b60f88d65f8805bf2ca095ecd1727b15eed4ff12

SHA256
6bb93bea58d84b9c6a562a6b888ec84ba0ecb7575b6c8f3264a9e9fb44ee37f7

SHA512
cd97a2207d7ad6178cc7c9fb13fda7015bc30a924aa43b6e8ba07961ef878a841e6d025047a35e3b60ef23a3ab9b59b16d1abe09f39dc0cd6e5515d46630ad40

Download Submit
memory/4900-2-0x0000000069B10000-0x0000000069C3E000-memory.dmp

Filesize
1.2MB

Download
memory/5068-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/5068-6-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/5068-7-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download