d6144364ea601a5f6048d21f47ea7591f4aa2640a965369c69d55e4433257161

Analysis

max time kernel
136s
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
21/08/2024, 12:01

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General

Target

b3616f34bb0acd0543c0ed31c9bc5812_JaffaCakes118.dll
Size

203KB
MD5

b3616f34bb0acd0543c0ed31c9bc5812
SHA1

f8e206cd83dd879e6b9fd99957fb3f3ba59e60de
SHA256

d6144364ea601a5f6048d21f47ea7591f4aa2640a965369c69d55e4433257161
SHA512

5595bf404e0e31e2e5d3810df971256e1f431a60a1fd7ef6e5ef0180621edda5ec83e4c9a094ce0f8ef55c0701f9df72180bdc474d9130e6f2f56af7af16a4c1
SSDEEP

6144:rDDj15kQqz4+2G783A6r1fcX2F+BXfm9psXUoS:3l52zn2C8ZB+BMsEoS

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3840-0-0x0000000000400000-0x0000000000465000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4536	3840	WerFault.exe	91

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 1996 wrote to memory of 3840	1996	rundll32.exe	91
PID 1996 wrote to memory of 3840	1996	rundll32.exe	91
PID 1996 wrote to memory of 3840	1996	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3616f34bb0acd0543c0ed31c9bc5812_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3616f34bb0acd0543c0ed31c9bc5812_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 560
    3⤵
    - Program crash
    PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 3840 -ip 3840
1⤵
PID:1964

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=4072,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
1⤵
PID:3856

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

memory/3840-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

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memory/3840-1-0x0000000001340000-0x0000000001354000-memory.dmp

Filesize
80KB

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