af8f1a41acf398ca367f1b4813f44cac040f442afa5a985f42a514aeb6b238ac

General

Target

49b3a9235f8f6ba42f23639245e24def_JaffaCakes118.exe
Size

964KB
MD5

49b3a9235f8f6ba42f23639245e24def
SHA1

ca3ae9dba6fed3202a5c9dd5a6483dacaa0e5dbc
SHA256

af8f1a41acf398ca367f1b4813f44cac040f442afa5a985f42a514aeb6b238ac
SHA512

aad5e1872ec7c924b80550ffece18502657db56f154e9fac5bb4e0e97aa5e59d850d5c2a41e1e352fee976647868ee2c3619c48d61ef99553b237719812a36ae
SSDEEP

24576:+ER3WHqaSd5V5nUUfy/OdszZ11IwrZQmXMVTzLR:BRmZSd5oh/Od6Z11Cm8r

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3392	SCRAMB~1.EXE
4972	SCRAMB~1.EXE
2696	iexplore.exe
2484	iexplore.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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	49b3a9235f8f6ba42f23639245e24def_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3392 set thread context of 4972	3392	SCRAMB~1.EXE	87
PID 2696 set thread context of 2484	2696	iexplore.exe	89

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\debug\iexplore.exe	SCRAMB~1.EXE
File created	C:\Windows\Delete.bat	SCRAMB~1.EXE
File created	C:\Windows\debug\iexplore.exe	SCRAMB~1.EXE

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3844	2484	WerFault.exe	89

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 3392	684	49b3a9235f8f6ba42f23639245e24def_JaffaCakes118.exe	84
PID 684 wrote to memory of 3392	684	49b3a9235f8f6ba42f23639245e24def_JaffaCakes118.exe	84
PID 684 wrote to memory of 3392	684	49b3a9235f8f6ba42f23639245e24def_JaffaCakes118.exe	84
PID 3392 wrote to memory of 4972	3392	SCRAMB~1.EXE	87
PID 3392 wrote to memory of 4972	3392	SCRAMB~1.EXE	87
PID 3392 wrote to memory of 4972	3392	SCRAMB~1.EXE	87
PID 3392 wrote to memory of 4972	3392	SCRAMB~1.EXE	87
PID 3392 wrote to memory of 4972	3392	SCRAMB~1.EXE	87
PID 2696 wrote to memory of 2484	2696	iexplore.exe	89
PID 2696 wrote to memory of 2484	2696	iexplore.exe	89
PID 2696 wrote to memory of 2484	2696	iexplore.exe	89
PID 2696 wrote to memory of 2484	2696	iexplore.exe	89
PID 4972 wrote to memory of 4072	4972	SCRAMB~1.EXE	90
PID 4972 wrote to memory of 4072	4972	SCRAMB~1.EXE	90
PID 4972 wrote to memory of 4072	4972	SCRAMB~1.EXE	90

C:\Users\Admin\AppData\Local\Temp\49b3a9235f8f6ba42f23639245e24def_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\49b3a9235f8f6ba42f23639245e24def_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:684
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SCRAMB~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SCRAMB~1.EXE
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3392
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SCRAMB~1.EXE
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SCRAMB~1.EXE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:4972
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\Delete.bat
      4⤵
      PID:4072

C:\Windows\debug\iexplore.exe
C:\Windows\debug\iexplore.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\debug\iexplore.exe
  C:\Windows\debug\iexplore.exe
  2⤵
  - Executes dropped EXE
  PID:2484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 84
    3⤵
    - Program crash
    PID:3844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2484 -ip 2484
1⤵
PID:3688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SCRAMB~1.EXE

Filesize
1.0MB

MD5
25ce0814bb31d1a43a3f75f4e61f81d5

SHA1
7270ed5c62d3fa33748036069f49ba54f255473c

SHA256
ccd913f7c78fc52387f56bbe09d946ae7633019385a265cbed2d83c4d346d7ed

SHA512
11bb2c32cbcf415414ab6c8ad0356c4337173b3b3cf706c944efe5288d6c1ff42858d7bdad6e488b82415f7d1a67dc73f6cfbc7171716981561bd8d148cb84b7

Download Submit
C:\Windows\Delete.bat

Filesize
160B

MD5
986b83f89e84a61179e9a199bf0533eb

SHA1
f9af4d9e5efea970a5b02a14c9be533aadb7d07d

SHA256
80b9e3d48eea89c021ac38a6a8bcb1381a318e50c152e3c7d4a4f89eb6483b7e

SHA512
890c6703e92541ec77b0a8c7c5767f08928dccfc962dc45a31463e8d01d6bef56730d9898acff80065321bf3b45fc480186ea402e5ade8541dd2795214076746

Download Submit
memory/684-20-0x0000000001000000-0x0000000001100000-memory.dmp

Filesize
1024KB

Download
memory/684-1-0x00000000010A8000-0x00000000010A9000-memory.dmp

Filesize
4KB

Download
memory/684-2-0x0000000001000000-0x0000000001100000-memory.dmp

Filesize
1024KB

Download
memory/684-3-0x0000000001000000-0x0000000001100000-memory.dmp

Filesize
1024KB

Download
memory/684-7-0x0000000001000000-0x0000000001100000-memory.dmp

Filesize
1024KB

Download
memory/684-6-0x0000000001000000-0x0000000001100000-memory.dmp

Filesize
1024KB

Download
memory/684-0-0x0000000001000000-0x0000000001100000-memory.dmp

Filesize
1024KB

Download
memory/2696-24-0x0000000000010000-0x000000000007A000-memory.dmp

Filesize
424KB

Download
memory/2696-26-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/2696-29-0x0000000000010000-0x000000000007A000-memory.dmp

Filesize
424KB

Download
memory/3392-16-0x0000000010000000-0x000000001006A000-memory.dmp

Filesize
424KB

Download
memory/3392-11-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/4972-15-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/4972-12-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/4972-22-0x0000000002230000-0x0000000002231000-memory.dmp

Filesize
4KB

Download
memory/4972-21-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/4972-14-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/4972-32-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads