7419106ec7430cee9167f7375fefe8db7222770b811dd208a87ebc8ecc6823db

General

Target
SecuriteInfo.com.Trojan.Agent.FRJZ.1052.423.xlsm
Size 83KB
Sample220114-ea4w4seah2
SHA256 7419106ec7430cee9167f7375fefe8db7222770b811dd208a87ebc8ecc6823db
MD5 ba5b9160a869d0d11095183f9863b190
SHA1 3a79bc1241b43d93852a2fd3ac448f7cbcf1de64
SHA512 73cf5c7ab94b1e82d81f84e30eefc69e98f7049e2ed101f62c001a0268a75d03c01133104e3b1ed5051e1398bfc964530ff486f6b86aa2eef5a6a1eaea082730
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://shopnhap.com/highbinder/UedVfTHDf5Em40/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3052	2464	rundll32.exe	67

Blocklisted process makes network request 3 IoCs

flow	pid	Process
43	2692	rundll32.exe
44	2692	rundll32.exe
46	2692	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3052	rundll32.exe
1068	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Qultzisqdixalbq\qgmnodn.bsp	rundll32.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2464	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2692	rundll32.exe
2692	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE
2464	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 3052	2464	EXCEL.EXE	71
PID 2464 wrote to memory of 3052	2464	EXCEL.EXE	71
PID 2464 wrote to memory of 3052	2464	EXCEL.EXE	71
PID 3052 wrote to memory of 1068	3052	rundll32.exe	72
PID 3052 wrote to memory of 1068	3052	rundll32.exe	72
PID 3052 wrote to memory of 1068	3052	rundll32.exe	72
PID 1068 wrote to memory of 3800	1068	rundll32.exe	73
PID 1068 wrote to memory of 3800	1068	rundll32.exe	73
PID 1068 wrote to memory of 3800	1068	rundll32.exe	73
PID 3800 wrote to memory of 2692	3800	rundll32.exe	74
PID 3800 wrote to memory of 2692	3800	rundll32.exe	74
PID 3800 wrote to memory of 2692	3800	rundll32.exe	74

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Agent.FRJZ.1052.423.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\wxeu.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\wxeu.ocx",DllRegisterServer
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:1068
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Qultzisqdixalbq\qgmnodn.bsp",cGCjeVRzuGAQuHE
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3800
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Qultzisqdixalbq\qgmnodn.bsp",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2464-118-0x00007FF879910000-0x00007FF879920000-memory.dmp

Download

memory/2464-120-0x0000015FF9650000-0x0000015FF9652000-memory.dmp

Download

memory/2464-121-0x00007FF879910000-0x00007FF879920000-memory.dmp

Download

memory/2464-122-0x0000015FF9650000-0x0000015FF9652000-memory.dmp

Download

memory/2464-119-0x0000015FF9650000-0x0000015FF9652000-memory.dmp

Download

memory/2464-115-0x00007FF879910000-0x00007FF879920000-memory.dmp

Download

memory/2464-117-0x00007FF879910000-0x00007FF879920000-memory.dmp

Download

memory/2464-116-0x00007FF879910000-0x00007FF879920000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads