37cf02d764c61c994d87b832e11744143edc082d2301734afe0f0ee621b2136e

Analysis

max time kernel
142s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
21/04/2024, 12:12

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General

Target

ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe
Size

44KB
MD5

ff3efe7c2f3fe4c49c526d22c1b8249a
SHA1

8012db9f11cb183edd2b004b2469506dee2720e6
SHA256

37cf02d764c61c994d87b832e11744143edc082d2301734afe0f0ee621b2136e
SHA512

3cda6e81229473ea3937944c8f9f67a47f1ec70fab0b76412bb634318cc4f27aa6f4fd84cfce0a9581cb66fd392369aed23fc46506653134b894e824be2895dd
SSDEEP

384:BtSURlUXmRjjq5hmCJQOyR9UFhcJ9KRqON2mUj6YELa09ywA:BtLRSX+jqPFhiKRSNELPK

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3940	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Online Service = "C:\\Windows\\svchost.exe"	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wmini.exe	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\msin32.dll	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe
File opened for modification	C:\Windows\sysini.ini	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe
File created	C:\Windows\svchost.exe	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3132	3940	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3076	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe
3076	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 3940	3076	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe	91
PID 3076 wrote to memory of 3940	3076	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe	91
PID 3076 wrote to memory of 3940	3076	ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff3efe7c2f3fe4c49c526d22c1b8249a_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Windows\svchost.exe
  C:\Windows\svchost.exe
  2⤵
  - Executes dropped EXE
  PID:3940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 228
    3⤵
    - Program crash
    PID:3132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3940 -ip 3940
1⤵
PID:1576

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=4020 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchost.exe

Filesize
14KB

MD5
62dcbc155b8638138b7bd086c65db2d2

SHA1
ccfc91123c082f3b3a6b1618da5c6aead3cd1e31

SHA256
732edbef6bc83f7ee77d95bea5901f14b5783f85b3b4409acc83b5a13437f3ca

SHA512
1a8b589fd511a8bf5856d2ae4da9be2c419548f09957855c2db074e57b910e5010514affbb5e3ff44a23a803d3279caaf7ebaf4200469deb777e2c70ec7d2a9c

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