609073641db5b2de72f72b83281e4ecedeb4969ae05836620a94b3f25c396ce3

General

Target

55db3a5b67a35d72f339a90d20c9e5a2.exe
Size

512KB
MD5

55db3a5b67a35d72f339a90d20c9e5a2
SHA1

e0ae31b15dcac213218bda70a20fb41da712f3bd
SHA256

609073641db5b2de72f72b83281e4ecedeb4969ae05836620a94b3f25c396ce3
SHA512

8c110f58bef1d927e47fb7b262b3d41a37d1d683d8193d5b80946112c62ae9d8cf498c9498c079c0c83c414ab1251dc39ae25ed9084dc63cd8d53fcbaaac2c40
SSDEEP

6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6p:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1776	hjngmijxsq.exe
1740	cefcqybgvbampro.exe
692	cgeiujug.exe
2980	oobhnezpsoewh.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4296-0-0x0000000000400000-0x0000000000496000-memory.dmp	autoit_exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cgeiujug.exe	55db3a5b67a35d72f339a90d20c9e5a2.exe
File opened for modification	C:\Windows\SysWOW64\cgeiujug.exe	55db3a5b67a35d72f339a90d20c9e5a2.exe
File created	C:\Windows\SysWOW64\oobhnezpsoewh.exe	55db3a5b67a35d72f339a90d20c9e5a2.exe
File opened for modification	C:\Windows\SysWOW64\oobhnezpsoewh.exe	55db3a5b67a35d72f339a90d20c9e5a2.exe
File created	C:\Windows\SysWOW64\hjngmijxsq.exe	55db3a5b67a35d72f339a90d20c9e5a2.exe
File opened for modification	C:\Windows\SysWOW64\hjngmijxsq.exe	55db3a5b67a35d72f339a90d20c9e5a2.exe
File created	C:\Windows\SysWOW64\cefcqybgvbampro.exe	55db3a5b67a35d72f339a90d20c9e5a2.exe
File opened for modification	C:\Windows\SysWOW64\cefcqybgvbampro.exe	55db3a5b67a35d72f339a90d20c9e5a2.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mydoc.rtf	55db3a5b67a35d72f339a90d20c9e5a2.exe

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

System Information Discovery
T1082

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6ACDFAB1F96BF1E3840E3A3186993996B389028F4369034FE2CE459B08A5"	55db3a5b67a35d72f339a90d20c9e5a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FB1B12D479239EB52CBBAA733E9D7BE"	55db3a5b67a35d72f339a90d20c9e5a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7EFEFF88485D85199136D75B7EE6BC94E631593167426242D79C"	55db3a5b67a35d72f339a90d20c9e5a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E0F36BB9FF6722D9D209D0D38B7B9010"	55db3a5b67a35d72f339a90d20c9e5a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1845C77B15E1DBBEB9BC7C93EC9434C6"	55db3a5b67a35d72f339a90d20c9e5a2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLV.Classes	55db3a5b67a35d72f339a90d20c9e5a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33322C0D9C2783586A3176A070552DD67CF665D8"	55db3a5b67a35d72f339a90d20c9e5a2.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
1740	cefcqybgvbampro.exe
1776	hjngmijxsq.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
4296	55db3a5b67a35d72f339a90d20c9e5a2.exe
1740	cefcqybgvbampro.exe
1776	hjngmijxsq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 1776	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	27
PID 4296 wrote to memory of 1776	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	27
PID 4296 wrote to memory of 1776	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	27
PID 4296 wrote to memory of 1740	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	26
PID 4296 wrote to memory of 1740	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	26
PID 4296 wrote to memory of 1740	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	26
PID 4296 wrote to memory of 692	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	25
PID 4296 wrote to memory of 692	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	25
PID 4296 wrote to memory of 692	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	25
PID 4296 wrote to memory of 2980	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	18
PID 4296 wrote to memory of 2980	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	18
PID 4296 wrote to memory of 2980	4296	55db3a5b67a35d72f339a90d20c9e5a2.exe	18

C:\Users\Admin\AppData\Local\Temp\55db3a5b67a35d72f339a90d20c9e5a2.exe
"C:\Users\Admin\AppData\Local\Temp\55db3a5b67a35d72f339a90d20c9e5a2.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\SysWOW64\oobhnezpsoewh.exe
  oobhnezpsoewh.exe
  2⤵
  - Executes dropped EXE
  PID:2980
- C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
  "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
  2⤵
  PID:4492
- C:\Windows\SysWOW64\cgeiujug.exe
  cgeiujug.exe
  2⤵
  - Executes dropped EXE
  PID:692
- C:\Windows\SysWOW64\cefcqybgvbampro.exe
  cefcqybgvbampro.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1740
- C:\Windows\SysWOW64\hjngmijxsq.exe
  hjngmijxsq.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1776

C:\Windows\SysWOW64\cgeiujug.exe
C:\Windows\system32\cgeiujug.exe
1⤵
PID:1904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4296-0-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/4492-39-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-44-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-47-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-50-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-53-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-56-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-58-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-60-0x00007FFE9A4D0000-0x00007FFE9A4E0000-memory.dmp

Filesize
64KB

Download
memory/4492-59-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-57-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-55-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-54-0x00007FFE9A4D0000-0x00007FFE9A4E0000-memory.dmp

Filesize
64KB

Download
memory/4492-52-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-51-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-49-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-48-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-46-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-45-0x00007FFE9C530000-0x00007FFE9C540000-memory.dmp

Filesize
64KB

Download
memory/4492-43-0x00007FFE9C530000-0x00007FFE9C540000-memory.dmp

Filesize
64KB

Download
memory/4492-42-0x00007FFE9C530000-0x00007FFE9C540000-memory.dmp

Filesize
64KB

Download
memory/4492-41-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-40-0x00007FFE9C530000-0x00007FFE9C540000-memory.dmp

Filesize
64KB

Download
memory/4492-38-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-35-0x00007FFE9C530000-0x00007FFE9C540000-memory.dmp

Filesize
64KB

Download
memory/4492-131-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-132-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-133-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-159-0x00007FFEDC4B0000-0x00007FFEDC6A5000-memory.dmp

Filesize
2.0MB

Download
memory/4492-158-0x00007FFE9C530000-0x00007FFE9C540000-memory.dmp

Filesize
64KB

Download
memory/4492-157-0x00007FFE9C530000-0x00007FFE9C540000-memory.dmp

Filesize
64KB

Download
memory/4492-156-0x00007FFE9C530000-0x00007FFE9C540000-memory.dmp

Filesize
64KB

Download
memory/4492-155-0x00007FFE9C530000-0x00007FFE9C540000-memory.dmp

Filesize
64KB

Download

Analysis

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