f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82

General

Target

f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe
Size

176KB
MD5

6f54d7722ca6a0906249639f67410630
SHA1

a2bc7b87ed2c1236dcd143487d81d163139b5c27
SHA256

f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82
SHA512

37197fa32ea9a677b5b1b6538517d947344ecfeda13e9323a1811b2c079ccbe229b28a6441abcbe05673a4f8633396c66653d6bcada2c2d8b669f5f05f03701d
SSDEEP

3072:30vSGZzyT8MH10s20JbcukC2U/mee5D8xv8WX1VfwGkQVoQF9T:EvxlMBbmei83wkT

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system32\drivers\etc\hosts	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Deletes itself 1 IoCs

pid	Process
1056	cmd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico	explorer.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.365j.com/?gg"	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1376	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: 33	1756	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1756	AUDIODG.EXE
Token: 33	1756	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1756	AUDIODG.EXE
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe
Token: SeShutdownPrivilege	1948	explorer.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe

Suspicious use of SendNotifyMessage 17 IoCs

pid	Process
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe
1948	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1948	1376	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe	26
PID 1376 wrote to memory of 1948	1376	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe	26
PID 1376 wrote to memory of 1948	1376	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe	26
PID 1376 wrote to memory of 1948	1376	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe	26
PID 1376 wrote to memory of 1056	1376	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe	29
PID 1376 wrote to memory of 1056	1376	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe	29
PID 1376 wrote to memory of 1056	1376	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe	29
PID 1376 wrote to memory of 1056	1376	f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe	29

C:\Users\Admin\AppData\Local\Temp\f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe
"C:\Users\Admin\AppData\Local\Temp\f949e97afba38c3ac1a2bf0116a5164a00a199541c5985d9273ec561fec34c82.exe"
1⤵
- Drops file in Drivers directory
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\explorer.exe
  C:\Windows\explorer.exe
  2⤵
  - Modifies Installed Components in the registry
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1948
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\yyyy.bat
  2⤵
  - Deletes itself
  PID:1056

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2f0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1756

C:\Windows\explorer.exe
explorer.exe
1⤵
PID:1532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\yyyy

Filesize
176KB

MD5
0cbb8baf2adbf09a708256e6e61666d4

SHA1
bf2e8a7283d8ce1fbb633eae255cf6910abfaff0

SHA256
c2d451184b5f13d14e941701e9d74fb0cf9f90253319f31fcbcde6933ba24e8a

SHA512
cbabafc429efdf17db6a1a1ee5ee09ce692a9695b51869af55eb90fec6602e40bf23d90f42657c35a1b5ddd1ba6615eebff42e642f5bd1947c6f6cd23eebf6d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\yyyy.bat

Filesize
337B

MD5
eaf01aa7e40691254214fa00a9009a0a

SHA1
efb57d5fd907acc6953805e45bd400206e76f6ad

SHA256
b059603e4e964df176ab753090da48da3175cce046ace1b39664ab86304fd4a5

SHA512
a4863931646cdc3954c7a473fec3406095eff9e86802441152c3fc0772f77e9df3a193c4fb4a999079e78fa8330fd515ddb7ce67ce6e29095563bdaf2661e2db

Download Submit
memory/1376-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1948-56-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

Filesize
8KB

Download
memory/1948-61-0x0000000004460000-0x0000000004470000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads