38debb8c8f9f7eac7059da11925d852a625288ba28301395663b363214e1596b

General

Target

86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
Size

25KB
MD5

86c86e547aa95fe78ed819d1ee4e3eef
SHA1

e83fb8dcc8c51c00c39448820895b1451383af14
SHA256

38debb8c8f9f7eac7059da11925d852a625288ba28301395663b363214e1596b
SHA512

1276fce584d9a605091b1554153e2cc1f7fd7c9c0057f258cd4136d3e80e3c615ed70208946fb33b668617d9d3180ce039ffa735959bac6737b821ca7ee8b3c7
SSDEEP

768:ZGciLRmECjWUsL5GzXJ2NRBQhPmL4YJ7M:ZUmdWUsL5GzZ2NmPmL4r

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b00000001225f-2.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1780	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1780-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/1780-10-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/1780-7-0x0000000010000000-0x000000001001A000-memory.dmp	upx
behavioral1/files/0x000b00000001225f-2.dat	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\nmzav.dll	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\verclsid.exe	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\verclsid.exe	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{05397E9D-30D1-4216-AACB-F9EA1F1E4E85}	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{05397E9D-30D1-4216-AACB-F9EA1F1E4E85}\	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{05397E9D-30D1-4216-AACB-F9EA1F1E4E85}\InProcServer32	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{05397E9D-30D1-4216-AACB-F9EA1F1E4E85}\InProcServer32\ = "C:\\Windows\\SysWow64\\nmzav.dll"	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{05397E9D-30D1-4216-AACB-F9EA1F1E4E85}\InProcServer32\ThreadingModel = "Apartment"	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{05397E9D-30D1-4216-AACB-F9EA1F1E4E85}\InProcServer32\Temp = "C:\\Users\\Admin\\AppData\\Local\\Temp\\86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe"	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1780	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
Token: SeDebugPrivilege	1780	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 1124	1780	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe	20
PID 1780 wrote to memory of 1124	1780	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe	20

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1124
- C:\Users\Admin\AppData\Local\Temp\86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\nmzav.dll

Filesize
17KB

MD5
1c90711177f3d6d17f8e9e7fd7b5e13d

SHA1
ba067d7d165555e220f996305e5b650246c3dccd

SHA256
c45bf06973e23b5aeadf6d2b3e720acbabb92410cb8f0b51ac6d6877ccf1a28e

SHA512
29f33fd0b57d39ba3ab2ef6ca65d1a5db41558f0ca919a2c0a48c4c98de74daec896299e3082d0c0f4311e9c2327ca3f1ef7583ea2543198d3d2cd63b7779c28

Download Submit
memory/1124-4-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/1780-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1780-10-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1780-8-0x000000007583D000-0x000000007583E000-memory.dmp

Filesize
4KB

Download
memory/1780-7-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download

Analysis

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