ec7d940ef4adc70e243db773c9a5b776823725e64d931d5d1b38c216cdf51c7e

Analysis

max time kernel
151s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/06/2024, 07:10

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General

Target

151aee3d13c9aae25ec3999f266ee1ff_JaffaCakes118.dll
Size

26KB
MD5

151aee3d13c9aae25ec3999f266ee1ff
SHA1

4255614866f0bbe4885353db0598f88cc0354871
SHA256

ec7d940ef4adc70e243db773c9a5b776823725e64d931d5d1b38c216cdf51c7e
SHA512

14438edcd4a1015acd8bf14361d51ed9e67da0dac4e2cb2c2806f901da781fe24b83e3b6231eae9105d26601074ef2aa91cb5cf0f884f5ee203da502a8a25010
SSDEEP

768:sdh9fQUpt79DTowgzkKPK6QOWVTnSlmg1wUulxC/3ESrDvL:QoUpzDTo1Q+UtSMuuloPESrDvL

Score

7^/10

defense_evasion privilege_escalation

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3440	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\oficx.dll	rundll32.exe
File opened for modification	C:\Windows\oficx.dll	rundll32.exe

Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs

defense_evasion privilege_escalation

Create Process with Token

T1134.002

pid	Process
3440	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "151aee3d13c9aae25ec3999f266ee1ff_JaffaCakes118.dll,1293806123,641534121,-1814625877"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe
3440	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 4660	1188	rundll32.exe	89
PID 1188 wrote to memory of 4660	1188	rundll32.exe	89
PID 1188 wrote to memory of 4660	1188	rundll32.exe	89
PID 4660 wrote to memory of 3440	4660	rundll32.exe	90
PID 4660 wrote to memory of 3440	4660	rundll32.exe	90
PID 4660 wrote to memory of 3440	4660	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\151aee3d13c9aae25ec3999f266ee1ff_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\151aee3d13c9aae25ec3999f266ee1ff_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 "C:\Windows\oficx.dll",_RunAs@16
    3⤵
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Access Token Manipulation: Create Process with Token
    - Suspicious behavior: EnumeratesProcesses
    PID:3440

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 --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:3960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Defense Evasion

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\oficx.dll

Filesize
26KB

MD5
151aee3d13c9aae25ec3999f266ee1ff

SHA1
4255614866f0bbe4885353db0598f88cc0354871

SHA256
ec7d940ef4adc70e243db773c9a5b776823725e64d931d5d1b38c216cdf51c7e

SHA512
14438edcd4a1015acd8bf14361d51ed9e67da0dac4e2cb2c2806f901da781fe24b83e3b6231eae9105d26601074ef2aa91cb5cf0f884f5ee203da502a8a25010

Download Submit
memory/3440-5-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/3440-7-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/4660-0-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/4660-6-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download