0a04f4841fa1ac63af0fd7e72353faa4b09ded3577510255dea572a357517de9

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 18:30

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General

Target

0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe
Size

57KB
MD5

0bfbc9eb9115755eaa40d0c21d107244
SHA1

38e6b0a27763cb5c46164660f10f6df1e4801e9e
SHA256

0a04f4841fa1ac63af0fd7e72353faa4b09ded3577510255dea572a357517de9
SHA512

8e6fe5256520370b99286198ac96c5fac20564a421458aecb5896d039db00da72b57dddc55e0f2cdd8bc7a9397d5e4f8b184b352f9652fbc8dfb0bc79c13ff1b
SSDEEP

768:7Qyy1uehE54M6mDVwihlHgdcHk7NzziqBj1+4fbCCXVz8iiom+ZfzNGwkty6+/P:MysuehEmm1rYyqCgat+dVktyz/P

Score

8^/10

aspackv2 discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 3 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\zfmnpz\parameters\ServiceDll = "%SystemRoot%\\System32\\zfrouf.dll"	0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\zfmnpz\parameters\ServiceDll = "%SystemRoot%\\System32\\zfrouf.dll"	0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\zfmnpz\parameters\ServiceDll = "%SystemRoot%\\System32\\zfrouf.dll"	0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000800000002360d-6.dat	aspack_v212_v242

Loads dropped DLL 4 IoCs

pid	Process
2692	0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe
3612	svchost.exe
3612	svchost.exe
3612	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\00052cf0.ini	0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\zfrouf.dll	0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4724	3612	WerFault.exe	89
4844	3612	WerFault.exe	89
5072	3612	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 2 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	0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

C:\Users\Admin\AppData\Local\Temp\0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0bfbc9eb9115755eaa40d0c21d107244_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2692

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k zfmnpz
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 528
  2⤵
  - Program crash
  PID:4724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 592
  2⤵
  - Program crash
  PID:4844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 460
  2⤵
  - Program crash
  PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3612 -ip 3612
1⤵
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3612 -ip 3612
1⤵
PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3612 -ip 3612
1⤵
PID:3740

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4244,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=4216 /prefetch:8
1⤵
PID:3012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

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\zfrouf.dll

Filesize
50KB

MD5
f7e03e7abf3f36d4ada33458efafabaf

SHA1
8b017470c646b41f71e929731e6b50b0d2717ea8

SHA256
a1735074fa7263302d962967da001c520d73a14eba75ad0acc1f90776d4d6cf9

SHA512
cdd3e687810feaf6307d0861b5d7920d9e92fed2a212bbf4c8811d69662ae4ccd65606162aa147cdfe0e5551849a24842794c1288738f8436ed235634014b39d

Download Submit
memory/2692-0-0x0000000000400000-0x000000000040D261-memory.dmp

Filesize
52KB

Download
memory/2692-2-0x0000000000400000-0x000000000040D261-memory.dmp

Filesize
52KB

Download
memory/2692-1-0x0000000000401000-0x0000000000407000-memory.dmp

Filesize
24KB

Download
memory/2692-4-0x0000000000400000-0x000000000040D261-memory.dmp

Filesize
52KB

Download
memory/2692-7-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/2692-13-0x0000000000401000-0x0000000000407000-memory.dmp

Filesize
24KB

Download
memory/2692-12-0x0000000000400000-0x000000000040D261-memory.dmp

Filesize
52KB

Download