37bacc9a1ec15b4c9590031fc41def16c27c303c6b42c78b36c2ea14712a002a

Analysis

max time kernel
149s
max time network
164s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 10:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

688f642f7036801a6295c2aa8a56289b.exe
Size

14KB
MD5

688f642f7036801a6295c2aa8a56289b
SHA1

672896531f9b4f76cac84f0c78dc507bb5ce5827
SHA256

37bacc9a1ec15b4c9590031fc41def16c27c303c6b42c78b36c2ea14712a002a
SHA512

5c35c958fa6ae49df657002a589c01b80c50efa601d5d7b296d76ad867256d0d956895975f06e5c3a90d676a750f211159631f945efc1393f3ce17de6ed66293
SSDEEP

384:u04Vfdj9JT9uxRgZGz0glhPuDWWx3f1us/:kdfTIvsuC

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\21620 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msuhxi.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe

Deletes itself 1 IoCs

pid	Process
2796	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	688f642f7036801a6295c2aa8a56289b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	688f642f7036801a6295c2aa8a56289b.exe

Drops file in Program Files directory 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1768	688f642f7036801a6295c2aa8a56289b.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1768	688f642f7036801a6295c2aa8a56289b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2796	1768	688f642f7036801a6295c2aa8a56289b.exe	19
PID 1768 wrote to memory of 2796	1768	688f642f7036801a6295c2aa8a56289b.exe	19
PID 1768 wrote to memory of 2796	1768	688f642f7036801a6295c2aa8a56289b.exe	19
PID 1768 wrote to memory of 2796	1768	688f642f7036801a6295c2aa8a56289b.exe	19

C:\Users\Admin\AppData\Local\Temp\688f642f7036801a6295c2aa8a56289b.exe
"C:\Users\Admin\AppData\Local\Temp\688f642f7036801a6295c2aa8a56289b.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1768
- 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:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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/1768-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1768-1-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/1768-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2796-4-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2796-3-0x00000000000C0000-0x00000000000CC000-memory.dmp

Filesize
48KB

Download
memory/2796-6-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2796-10-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/2796-11-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download