26ddb7d3514ab7a1fba4cf962e7c3c48a20a1f3b896ff03c5cdfa86603cf7e7c

Analysis

max time kernel
130s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 02:20

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General

Target

bfe58c3ee5ea1c3b06d3f458f57b9ce3_JaffaCakes118.dll
Size

100KB
MD5

bfe58c3ee5ea1c3b06d3f458f57b9ce3
SHA1

ddaa55c13b061eb2584ffcbcdf6bc5b389844e4d
SHA256

26ddb7d3514ab7a1fba4cf962e7c3c48a20a1f3b896ff03c5cdfa86603cf7e7c
SHA512

2fef93c1ad278b6e184b16b48d9219cb2f19e076e70994a462fde052e7d6bc41c83154ed5496f1b273a5f062f3670c4a1e283478f1ea3e32c76f6d1814d88782
SSDEEP

1536:VhAln6fjYuveco50X0PhsY1rRzH5GdUUT2Dpeur163B6uGs2Qv:O6fVvrG0X05snT29r1Ckm

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3056-0-0x0000000010000000-0x000000001000D000-memory.dmp	upx
behavioral2/memory/3056-1-0x0000000010000000-0x000000001000D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3312	3056	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 4824 wrote to memory of 3056	4824	rundll32.exe	91
PID 4824 wrote to memory of 3056	4824	rundll32.exe	91
PID 4824 wrote to memory of 3056	4824	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfe58c3ee5ea1c3b06d3f458f57b9ce3_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfe58c3ee5ea1c3b06d3f458f57b9ce3_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 580
    3⤵
    - Program crash
    PID:3312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3056 -ip 3056
1⤵
PID:3184

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=4348,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:8
1⤵
PID:1020

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/3056-0-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

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memory/3056-1-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

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