787cdbcb463833e02494188b4fc6481bc33b28dd665addb0ea8f453188b9d8f6

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 14:21

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General

Target

fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
Size

19KB
MD5

fcf4049dfbfb103360ad5eec487b3c99
SHA1

3bc4a7fa24f047b1e16f2d5e5b45ff8a930254f0
SHA256

787cdbcb463833e02494188b4fc6481bc33b28dd665addb0ea8f453188b9d8f6
SHA512

8f76b4e4778922b9206293265e34480c23998846335f45a8579e8f66d4fa5f98768e57f672b21f00efcbb91cedb6ea59d0cdcda5775efdc73f567934359bcaf5
SSDEEP

384:kfnHFIvVItJkImk4tHVjddMgs6m4fyKH7VE0oGm:YSdOIXW6A2EK

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\run	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\some = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe"	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2948	scm.exe

Loads dropped DLL 2 IoCs

pid	Process
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2184-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x000c000000012331-2.dat	upx
behavioral1/memory/2184-4-0x00000000003F0000-0x00000000003F8000-memory.dmp	upx
behavioral1/memory/2948-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2184-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
2948	scm.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2948	2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe	28
PID 2184 wrote to memory of 2948	2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe	28
PID 2184 wrote to memory of 2948	2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe	28
PID 2184 wrote to memory of 2948	2184	fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcf4049dfbfb103360ad5eec487b3c99_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\scm.exe
  C:\Users\Admin\AppData\Local\Temp\scm.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2948

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

\Users\Admin\AppData\Local\Temp\scm.exe

Filesize
7KB

MD5
8e731e71fff00d24e12d9dca9f14f5c4

SHA1
f8f2e76373228e509dc4e7f929f61c9398b826ae

SHA256
df38aabf1644c2e1c87a4faeb906fe5c930ec8ee2b7c9e756c4f6c6c1afc7321

SHA512
a8bb0017c9a8dec70c7b466eff37f704900be458d36446fdd362afe3bc81e6ee662bdd62637ff4eb2ee4126f8899f6a8758c6d58e66afad0b68cbc27bcdc7601

Download Submit
memory/2184-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2184-4-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/2184-9-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/2184-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2184-14-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/2184-15-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/2948-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download