8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff

Analysis

max time kernel
115s
max time network
121s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 18:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe
Size

13KB
MD5

3fb97cd23e72a5e630a80dde2636be5e
SHA1

3d2c0049fbc73eca544433bd3545b9fdbc910e38
SHA256

8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff
SHA512

148b7436760db55e208cf10df97a48c2214ef190e02ec29abad1478fc1ec690ec973c8391db62dbf2a9fcf2f2fbfdec2e85f644d82b1889c7d74a24fe51a3607
SSDEEP

384:KLOTSoMaHAhzQYVu1TY7gKJEmizmzCaF1FY:XSagh0Qu1UkKE7AF

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\44815 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msuavnh.bat"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1220	svchost.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msuavnh.bat	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1068	8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1068	8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe
1068	8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 1220	1068	8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe	28
PID 1068 wrote to memory of 1220	1068	8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe	28
PID 1068 wrote to memory of 1220	1068	8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe	28
PID 1068 wrote to memory of 1220	1068	8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe	28

C:\Users\Admin\AppData\Local\Temp\8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe
"C:\Users\Admin\AppData\Local\Temp\8d31ff1cf3ed623bb4d22b0e9f55c02b1e3021b0cf1b3b4193b66d730c5e82ff.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\syswow64\svchost.exe
  C:\Windows\syswow64\svchost.exe
  2⤵
  - Adds policy Run key to start application
  - Deletes itself
  - Drops file in Program Files directory
  PID:1220

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1068-54-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1220-56-0x00000000005D0000-0x00000000005D8000-memory.dmp

Filesize
32KB

Download
memory/1220-57-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/1220-58-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download