38debb8c8f9f7eac7059da11925d852a625288ba28301395663b363214e1596b

Analysis

max time kernel
140s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 16:22

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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
behavioral2/files/0x0008000000023495-2.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4192	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4192-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral2/files/0x0008000000023495-2.dat	upx
behavioral2/memory/4192-5-0x0000000010000000-0x000000001001A000-memory.dmp	upx
behavioral2/memory/4192-10-0x0000000010000000-0x000000001001A000-memory.dmp	upx
behavioral2/memory/4192-9-0x0000000000400000-0x000000000040D000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\yoetwwih.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2260	4192	WerFault.exe	86

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\\yoetwwih.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 2 IoCs

pid	Process
4192	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
4192	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4192	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
Token: SeDebugPrivilege	4192	86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\86c86e547aa95fe78ed819d1ee4e3eef_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 480
  2⤵
  - Program crash
  PID:2260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4192 -ip 4192
1⤵
PID:1052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\yoetwwih.dll

Filesize
17KB

MD5
1c90711177f3d6d17f8e9e7fd7b5e13d

SHA1
ba067d7d165555e220f996305e5b650246c3dccd

SHA256
c45bf06973e23b5aeadf6d2b3e720acbabb92410cb8f0b51ac6d6877ccf1a28e

SHA512
29f33fd0b57d39ba3ab2ef6ca65d1a5db41558f0ca919a2c0a48c4c98de74daec896299e3082d0c0f4311e9c2327ca3f1ef7583ea2543198d3d2cd63b7779c28

Download Submit
memory/4192-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4192-5-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/4192-6-0x0000000076D95000-0x0000000076D96000-memory.dmp

Filesize
4KB

Download
memory/4192-10-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/4192-9-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download