e098f8e08d473d3f642f69ee3e984d73a25fdd1ee50616be904846d55256cfe1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 14:20

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General

Target

0074c8d15c9b7d5029455c6d25a27af8.dll
Size

236KB
MD5

0074c8d15c9b7d5029455c6d25a27af8
SHA1

e1b75946db1064b5f71b158bc5ef3b440a739cb5
SHA256

e098f8e08d473d3f642f69ee3e984d73a25fdd1ee50616be904846d55256cfe1
SHA512

76281871783aa137679af3dc149459d32eadbe7e59bab36686d57b44c490fbf4d555e77a1496a0d1507bbda7efc13784d58391d9d6051dd6444cf09a80a6e704
SSDEEP

1536:Iguo2K86vta10RJQYPIHL+D5IWhxRh/Ci4ucg3/+k5ltr+DRPG8Gz7wk+cQvMH:Go256vS0RJAL+lHPKi40+66iwkD0s

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\jvdthktbm = "{713bb211-f9b3-4e08-0ac4-f9b33a9942b3}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1276	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wiqguxgoz.dll	rundll32.exe
File created	C:\Windows\SysWOW64\eqyocfowh.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\eqyocfowh.dll	rundll32.exe
File created	C:\Windows\SysWOW64\wiqguxgoz.dll	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{713bb211-f9b3-4e08-0ac4-f9b33a9942b3}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{713bb211-f9b3-4e08-0ac4-f9b33a9942b3}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{713bb211-f9b3-4e08-0ac4-f9b33a9942b3}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{713bb211-f9b3-4e08-0ac4-f9b33a9942b3}\InprocServer32\ = "C:\\Windows\\SysWow64\\eqyocfowh.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{713bb211-f9b3-4e08-0ac4-f9b33a9942b3}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1276	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1276	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1276	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1276	1600	rundll32.exe	28
PID 1600 wrote to memory of 1276	1600	rundll32.exe	28
PID 1600 wrote to memory of 1276	1600	rundll32.exe	28
PID 1600 wrote to memory of 1276	1600	rundll32.exe	28
PID 1600 wrote to memory of 1276	1600	rundll32.exe	28
PID 1600 wrote to memory of 1276	1600	rundll32.exe	28
PID 1600 wrote to memory of 1276	1600	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0074c8d15c9b7d5029455c6d25a27af8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0074c8d15c9b7d5029455c6d25a27af8.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\wiqguxgoz.dll

Filesize
169KB

MD5
c87f2199f09e32f09ace98bc1c4730e0

SHA1
e3e3a1d83643e630140dcd360a8b55f7a5ab3bb3

SHA256
753fe71d5466a2edd6a69f1c8fa21d93ac4455eb6cb2f1db571454f71fe2a55d

SHA512
b1ce5730f89f303ef6fe52664fee9dbf83fc164de898191a2739fa19896d91b12af7900b91c0a374d824f837af16406b9ee1bf158c7565a2c9c82771633777c1

Download Submit
memory/1276-0-0x00000000001E0000-0x0000000000224000-memory.dmp

Filesize
272KB

Download
memory/1276-2-0x00000000001E0000-0x0000000000224000-memory.dmp

Filesize
272KB

Download
memory/1276-9-0x0000000076AB0000-0x0000000076B50000-memory.dmp

Filesize
640KB

Download
memory/1276-10-0x00000000001E0000-0x0000000000224000-memory.dmp

Filesize
272KB

Download
memory/1276-11-0x0000000076AB0000-0x0000000076B50000-memory.dmp

Filesize
640KB

Download