5d54c5f90ab9b99d4c3378095712af25570efe80035f6e9f44f0d5586c2350b9

General

Target

1f9e4dc6ec4af15b7b9a14d393134050.exe
Size

512KB
MD5

1f9e4dc6ec4af15b7b9a14d393134050
SHA1

d2aff9f757e4459ab8d708f1fc29cd06d94fca75
SHA256

5d54c5f90ab9b99d4c3378095712af25570efe80035f6e9f44f0d5586c2350b9
SHA512

007b96bfbb0d120b49b29190678e8cb34debc21b754f3347147d9c788af59b829bc1dcee119f5a22a995ae8aa53a1b91e752faeb2d09d347b37156b22375d577
SSDEEP

6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6P:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5K

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1820	yhoaeyyxcj.exe
2732	jkereeqhuallenp.exe
2840	fevmfsab.exe
2692	xvmjtjhxjddmb.exe

Loads dropped DLL 4 IoCs

pid	Process
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2080-0-0x0000000000400000-0x0000000000496000-memory.dmp	autoit_exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xvmjtjhxjddmb.exe	1f9e4dc6ec4af15b7b9a14d393134050.exe
File opened for modification	C:\Windows\SysWOW64\xvmjtjhxjddmb.exe	1f9e4dc6ec4af15b7b9a14d393134050.exe
File created	C:\Windows\SysWOW64\yhoaeyyxcj.exe	1f9e4dc6ec4af15b7b9a14d393134050.exe
File opened for modification	C:\Windows\SysWOW64\yhoaeyyxcj.exe	1f9e4dc6ec4af15b7b9a14d393134050.exe
File created	C:\Windows\SysWOW64\jkereeqhuallenp.exe	1f9e4dc6ec4af15b7b9a14d393134050.exe
File opened for modification	C:\Windows\SysWOW64\jkereeqhuallenp.exe	1f9e4dc6ec4af15b7b9a14d393134050.exe
File created	C:\Windows\SysWOW64\fevmfsab.exe	1f9e4dc6ec4af15b7b9a14d393134050.exe
File opened for modification	C:\Windows\SysWOW64\fevmfsab.exe	1f9e4dc6ec4af15b7b9a14d393134050.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mydoc.rtf	1f9e4dc6ec4af15b7b9a14d393134050.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 = "6ABFFABFF913F2E083753B44819A3999B38A028A4364034CE1CB42EE09D1"	1f9e4dc6ec4af15b7b9a14d393134050.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FB6B12F449339EF53C8B9D132EDD7C4"	1f9e4dc6ec4af15b7b9a14d393134050.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7FF9FCF8482D851B903CD72D7D9DBCE5E141594367436333D7ED"	1f9e4dc6ec4af15b7b9a14d393134050.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E78368B1FE6E21D0D27CD1D48A0F9111"	1f9e4dc6ec4af15b7b9a14d393134050.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1844C67B1596DBC0B8BC7C95EC9F34BC"	1f9e4dc6ec4af15b7b9a14d393134050.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLV.Classes	1f9e4dc6ec4af15b7b9a14d393134050.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "32352C0B9C2683276A4277A0772F2DD67DF664AA"	1f9e4dc6ec4af15b7b9a14d393134050.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe

Suspicious use of FindShellTrayWindow 9 IoCs

pid	Process
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
1820	yhoaeyyxcj.exe
1820	yhoaeyyxcj.exe
1820	yhoaeyyxcj.exe
2732	jkereeqhuallenp.exe
2732	jkereeqhuallenp.exe
2732	jkereeqhuallenp.exe

Suspicious use of SendNotifyMessage 9 IoCs

pid	Process
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
2080	1f9e4dc6ec4af15b7b9a14d393134050.exe
1820	yhoaeyyxcj.exe
1820	yhoaeyyxcj.exe
1820	yhoaeyyxcj.exe
2732	jkereeqhuallenp.exe
2732	jkereeqhuallenp.exe
2732	jkereeqhuallenp.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 1820	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	24
PID 2080 wrote to memory of 1820	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	24
PID 2080 wrote to memory of 1820	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	24
PID 2080 wrote to memory of 1820	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	24
PID 2080 wrote to memory of 2732	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	23
PID 2080 wrote to memory of 2732	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	23
PID 2080 wrote to memory of 2732	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	23
PID 2080 wrote to memory of 2732	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	23
PID 2080 wrote to memory of 2840	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	22
PID 2080 wrote to memory of 2840	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	22
PID 2080 wrote to memory of 2840	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	22
PID 2080 wrote to memory of 2840	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	22
PID 2080 wrote to memory of 2692	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	20
PID 2080 wrote to memory of 2692	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	20
PID 2080 wrote to memory of 2692	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	20
PID 2080 wrote to memory of 2692	2080	1f9e4dc6ec4af15b7b9a14d393134050.exe	20

C:\Users\Admin\AppData\Local\Temp\1f9e4dc6ec4af15b7b9a14d393134050.exe
"C:\Users\Admin\AppData\Local\Temp\1f9e4dc6ec4af15b7b9a14d393134050.exe"
1⤵
- Loads dropped DLL
- 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:2080
- C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
  "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
  2⤵
  PID:2700
- - C:\Windows\splwow64.exe
    C:\Windows\splwow64.exe 12288
    3⤵
    PID:2492
- C:\Windows\SysWOW64\xvmjtjhxjddmb.exe
  xvmjtjhxjddmb.exe
  2⤵
  - Executes dropped EXE
  PID:2692
- C:\Windows\SysWOW64\fevmfsab.exe
  fevmfsab.exe
  2⤵
  - Executes dropped EXE
  PID:2840
- C:\Windows\SysWOW64\jkereeqhuallenp.exe
  jkereeqhuallenp.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2732
- C:\Windows\SysWOW64\yhoaeyyxcj.exe
  yhoaeyyxcj.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1820

C:\Windows\SysWOW64\fevmfsab.exe
C:\Windows\system32\fevmfsab.exe
1⤵
PID:2612

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/2080-0-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/2700-45-0x000000002F231000-0x000000002F232000-memory.dmp

Filesize
4KB

Download
memory/2700-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2700-47-0x00000000710FD000-0x0000000071108000-memory.dmp

Filesize
44KB

Download
memory/2700-78-0x00000000710FD000-0x0000000071108000-memory.dmp

Filesize
44KB

Download
memory/2700-99-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

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