4669b8660d87bf1e7c7b0d14a5458aee315c50862365d55ef1054ea53a7194b0

General

Target

49a0bdb50a9f22753fae5fa4688b788a_JaffaCakes118.exe
Size

32KB
MD5

49a0bdb50a9f22753fae5fa4688b788a
SHA1

24203af328e5d71a874b1569182e3806692ff1cb
SHA256

4669b8660d87bf1e7c7b0d14a5458aee315c50862365d55ef1054ea53a7194b0
SHA512

caeabbb7635995998d45577809d87f5c5fef28d49594fe5998808e650fc4ebeca06512e618356499b1e44ea038b0df11a58bc1f1ee7a4a44e914f41b4191a48c
SSDEEP

384:CnR+rWpg/Smpc2AfUMjTtVkYCFJykE0bvmH4ciu1VNipbNtCGyF55U:g+rWpg/2sgTtVZ+mH4Ru7sTIb

Score

7^/10

persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0008000000016c4b-18.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
1836	temp_l.exe
2812	myInsDll.exe

Loads dropped DLL 11 IoCs

pid	Process
1836	temp_l.exe
2812	myInsDll.exe
2812	myInsDll.exe
2812	myInsDll.exe
2812	myInsDll.exe
2812	myInsDll.exe
2904	WerFault.exe
2904	WerFault.exe
2904	WerFault.exe
2904	WerFault.exe
2904	WerFault.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000700000001211b-1.dat	upx
behavioral1/memory/1836-8-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/files/0x0008000000016c4b-18.dat	upx
behavioral1/memory/2812-21-0x0000000010000000-0x0000000010100000-memory.dmp	upx
behavioral1/memory/2812-23-0x0000000010000000-0x0000000010100000-memory.dmp	upx
behavioral1/memory/2812-22-0x0000000010000000-0x0000000010100000-memory.dmp	upx

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SfcDisable = "4294967197"	myInsDll.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\myInsDll.exe	temp_l.exe
File created	C:\Windows\SysWOW64\sfc32.dll	myInsDll.exe
File opened for modification	C:\Windows\SysWOW64\sfc32.dll	myInsDll.exe
File created	C:\Windows\SysWOW64\Jmansz.dat	temp_l.exe
File created	C:\Windows\SysWOW64\Processa.dll	temp_l.exe
File created	C:\Windows\SysWOW64\myInsDll.exe	temp_l.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2904	2812	WerFault.exe	35

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1160	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	49a0bdb50a9f22753fae5fa4688b788a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 1716	1252	49a0bdb50a9f22753fae5fa4688b788a_JaffaCakes118.exe	31
PID 1252 wrote to memory of 1716	1252	49a0bdb50a9f22753fae5fa4688b788a_JaffaCakes118.exe	31
PID 1252 wrote to memory of 1716	1252	49a0bdb50a9f22753fae5fa4688b788a_JaffaCakes118.exe	31
PID 1252 wrote to memory of 1716	1252	49a0bdb50a9f22753fae5fa4688b788a_JaffaCakes118.exe	31
PID 1716 wrote to memory of 1836	1716	cmd.exe	33
PID 1716 wrote to memory of 1836	1716	cmd.exe	33
PID 1716 wrote to memory of 1836	1716	cmd.exe	33
PID 1716 wrote to memory of 1836	1716	cmd.exe	33
PID 1716 wrote to memory of 1160	1716	cmd.exe	34
PID 1716 wrote to memory of 1160	1716	cmd.exe	34
PID 1716 wrote to memory of 1160	1716	cmd.exe	34
PID 1716 wrote to memory of 1160	1716	cmd.exe	34
PID 1836 wrote to memory of 2812	1836	temp_l.exe	35
PID 1836 wrote to memory of 2812	1836	temp_l.exe	35
PID 1836 wrote to memory of 2812	1836	temp_l.exe	35
PID 1836 wrote to memory of 2812	1836	temp_l.exe	35
PID 2812 wrote to memory of 2132	2812	myInsDll.exe	36
PID 2812 wrote to memory of 2132	2812	myInsDll.exe	36
PID 2812 wrote to memory of 2132	2812	myInsDll.exe	36
PID 2812 wrote to memory of 2132	2812	myInsDll.exe	36
PID 2812 wrote to memory of 2904	2812	myInsDll.exe	38
PID 2812 wrote to memory of 2904	2812	myInsDll.exe	38
PID 2812 wrote to memory of 2904	2812	myInsDll.exe	38
PID 2812 wrote to memory of 2904	2812	myInsDll.exe	38

C:\Users\Admin\AppData\Local\Temp\49a0bdb50a9f22753fae5fa4688b788a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\49a0bdb50a9f22753fae5fa4688b788a_JaffaCakes118.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\cmd.exe
  cmd /c if exist c:\temp_l.exe start c:\temp_l.exe&ping 127.0.0.1 -n 5&if exist c:\temp_l.exe del c:\temp_l.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1716
- - \??\c:\temp_l.exe
    c:\temp_l.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:1836
  - - C:\Windows\SysWOW64\myInsDll.exe
      "C:\Windows\system32\myInsDll.exe" Processa.dll,UHbabNASBBAS c:\temp_l.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Modifies WinLogon
      Drops file in System32 directory
      Suspicious use of WriteProcessMemory
      PID:2812
    - - C:\Windows\SysWOW64\sfc.exe
        
        "C:\Windows\system32\sfc.exe" /REVERT
        5⤵
        
        PID:2132
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 320
        5⤵
        Loads dropped DLL
        Program crash
        
        PID:2904
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 5
    3⤵
    - Runs ping.exe
    PID:1160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\myInsDll.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\temp_l.exe

Filesize
14KB

MD5
ec481dc6b8fe1fa78983e710f817369f

SHA1
57978c31c5b2cb86d51b5607cb1e82afb88b7cc8

SHA256
e5b3572c771a9c076158843fbf4df12fe0e367d8a0a2bd74f0744685e240d71f

SHA512
e2231b3ed092b4969a70dcf48a63c751bf05992aa1184bc2cc5b61a8f18e83519f304e6c2a8437fd702dfde47f2190872c6be5ba2470ed51dde291794777b296

Download Submit
\Windows\SysWOW64\Processa.dll

Filesize
10KB

MD5
f7606c1f93c12fb51359487267173379

SHA1
db6a7aea02ff43c2a6f2a683ebf0f4da4421593e

SHA256
3a9d3c9f12b9e4293318a42191684f607edb40bb3894cb70267e246f82ad5e6a

SHA512
a72d12994f59bce341ef09c1a68cafed53a350040b14be5f0b77fc45a0f5b133734e0b33646b7bc7e745005270a5a9183b86476418d04ade590a93f27fcb6705

Download Submit
\Windows\SysWOW64\sfc32.dll

Filesize
40KB

MD5
84799328d87b3091a3bdd251e1ad31f9

SHA1
64dbbe8210049f4d762de22525a7fe4313bf99d0

SHA256
f85521215924388830dbb13580688db70b46af4c7d82d549d09086438f8d237b

SHA512
0a9401c9c687f0edca01258c7920596408934caa21e5392dbaefc222c5c021255a40ec7c114a805cdb7f5a6153ec9fa9592edcc9e45406ce5612aa4e3da6a2c4

Download Submit
memory/1716-7-0x0000000000120000-0x000000000012C000-memory.dmp

Filesize
48KB

Download
memory/1716-6-0x0000000000120000-0x000000000012C000-memory.dmp

Filesize
48KB

Download
memory/1836-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2812-21-0x0000000010000000-0x0000000010100000-memory.dmp

Filesize
1024KB

Download
memory/2812-23-0x0000000010000000-0x0000000010100000-memory.dmp

Filesize
1024KB

Download
memory/2812-22-0x0000000010000000-0x0000000010100000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads