5c64f7f80b09582f6ad8049c4b7e9ea5ab62006630df5941a6733544fce5940d

General

Target

dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe
Size

1.3MB
MD5

dfe9edfceb1ca6ebb94dd18919bfadeb
SHA1

178d4e316cdd7b707089928f6beaa91314eec834
SHA256

5c64f7f80b09582f6ad8049c4b7e9ea5ab62006630df5941a6733544fce5940d
SHA512

602746e05e90aa48288658bd97df8488a443d82c7f808294bb946435a1c8fcaa715e42711a62a4e455a5f8a918c3169aedabed7a073e1a66e959c2aab3e8071c
SSDEEP

24576:u2EBg1IYJE7MyO1RnYBRIKJhbO+jqM72mKePXVhZU0WABFlPF:S4JE7MRjYBRIKJ5Osr7cMFfU0nBFNF

Score

7^/10

aspackv2 discovery evasion persistence

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0008000000023cd2-12.dat	aspack_v212_v242
behavioral2/files/0x0008000000023cd7-17.dat	aspack_v212_v242

Executes dropped EXE 3 IoCs

pid	Process
3236	morena.exe
4856	MORENA~1.EXE
2448	stub.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	stub.exe

Adds Run key to start application 2 TTPs 2 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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	MORENA~1.EXE
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\\\""	dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\morena.jpg	morena.exe
File opened for modification	C:\Windows\morena.jpg	morena.exe
File created	C:\Windows\__tmp_rar_sfx_access_check_240633921	morena.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
3412	2448	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	stub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	morena.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MORENA~1.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 3236	4552	dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe	82
PID 4552 wrote to memory of 3236	4552	dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe	82
PID 4552 wrote to memory of 3236	4552	dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe	82
PID 4552 wrote to memory of 4856	4552	dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe	83
PID 4552 wrote to memory of 4856	4552	dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe	83
PID 4552 wrote to memory of 4856	4552	dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe	83
PID 4856 wrote to memory of 2448	4856	MORENA~1.EXE	84
PID 4856 wrote to memory of 2448	4856	MORENA~1.EXE	84
PID 4856 wrote to memory of 2448	4856	MORENA~1.EXE	84

C:\Users\Admin\AppData\Local\Temp\dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dfe9edfceb1ca6ebb94dd18919bfadeb_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4552
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\morena.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\morena.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:3236
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MORENA~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\MORENA~1.EXE
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4856
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\stub.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\stub.exe
    3⤵
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - System Location Discovery: System Language Discovery
    PID:2448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 588
      4⤵
      Program crash
      PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2448 -ip 2448
1⤵
PID:2836

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

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.7MB

MD5
0d2c9d82d65344ffd4411fc43e5035db

SHA1
9ddec8a3b866f86abeda3aec706df50b9857fd40

SHA256
11213144f3a0dc778cc1bedca3405720f27d068404debe849ebd505ba62da13d

SHA512
918e6a61e7f116f9e8610980fd2c4ea7cea733333e0a0310c829e5f0bb61a6a46def8c49b267c7ff9ee85374c27c3c4fb2fa418afc1466eace51411956c9f7ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\morena.exe

Filesize
170KB

MD5
707e13901eefb28204e1eea7806d27c2

SHA1
053f829fb78e8b8898ba4a4a7680dde21bb857cb

SHA256
4b85fc047bc52b4ea993669a71f77c5ef08ded1336c6d2f7ccca44617b4f0cab

SHA512
3359258f4f39aca48bddbb9cb9b78d7b1670ad7c6cb3205f64861fc54fef65bcf3cccc2809a9f6876a586cafcc88ed755fbc22e349a1bd5201f291413d485169

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\stub.exe

Filesize
741KB

MD5
f0c3d1dc95d0317ad9f7c847a0774d96

SHA1
bdf81b0af7f773981b70125d2269408066e44c14

SHA256
13fc3642c88957d237e79eda353b413f17047b76da76988679124ea06260af31

SHA512
89e14ed790dd87598da01e8267da0c7cd8d88b0dde0dcd9cc77e41e6abdca948916119c0bc839636cadefecc96b6b4d6a05099aa36df231cdc3dfb98a60d494e

Download Submit
memory/3236-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4552-0-0x0000000001000000-0x000000000115A000-memory.dmp

Filesize
1.4MB

Download
memory/4552-20-0x0000000001000000-0x000000000115A000-memory.dmp

Filesize
1.4MB

Download
memory/4856-13-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/4856-21-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads