9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
14/11/2023, 18:53

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General

Target

9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e.exe
Size

326KB
MD5

c40c5bcb6c4cceadca53b2ca29a7fe0b
SHA1

f7aa8ebc0c7a745e3c75082c031780dfbab6e4a9
SHA256

9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e
SHA512

5b5a217bc49493fde14e9d6a866244c76d73a9a0de2d0f01f46d2d6bdcec011906f63a24f9caedd16a8ac54c21a40be8d020acbfd9726ff7e8a4066f43c1a680
SSDEEP

6144:4Ozb+3+UEoTkUdiJxemmh/9p2Aj+wDPc0gQUCrkftmfdOjwzxH4T:9+EoTkUdmxSh/9p2W00FUCrkFm5zxH4

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5d4ff0a6c7 = "C:\\Users\\Admin\\AppData\\Roaming\\5d4ff0a6c7\\1dd7cf18c4.exe"	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4668	9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e.exe
3700	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	4512	vssvc.exe
Token: SeRestorePrivilege	4512	vssvc.exe
Token: SeAuditPrivilege	4512	vssvc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4668	9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4668	9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 3700	4668	9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e.exe	99
PID 4668 wrote to memory of 3700	4668	9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e.exe	99
PID 4668 wrote to memory of 3700	4668	9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e.exe	99
PID 3700 wrote to memory of 760	3700	explorer.exe	100
PID 3700 wrote to memory of 760	3700	explorer.exe	100
PID 3700 wrote to memory of 760	3700	explorer.exe	100

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e.exe
"C:\Users\Admin\AppData\Local\Temp\9928a35bc486aa85387397966d205b8e3a69f14232d1933f8aaeac7d9026c17e.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\syswow64\explorer.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3700
- - C:\Windows\SysWOW64\svchost.exe
    -k netsvcs
    3⤵
    PID:760

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4512

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/760-11-0x0000000001030000-0x0000000001062000-memory.dmp

Filesize
200KB

Download
memory/760-13-0x0000000001030000-0x0000000001062000-memory.dmp

Filesize
200KB

Download
memory/3700-9-0x0000000000D00000-0x0000000000D32000-memory.dmp

Filesize
200KB

Download
memory/3700-12-0x0000000000D00000-0x0000000000D32000-memory.dmp

Filesize
200KB

Download
memory/4668-0-0x0000000002400000-0x0000000002460000-memory.dmp

Filesize
384KB

Download
memory/4668-1-0x0000000002B90000-0x0000000002B91000-memory.dmp

Filesize
4KB

Download
memory/4668-2-0x0000000002400000-0x0000000002460000-memory.dmp

Filesize
384KB

Download
memory/4668-3-0x0000000002B90000-0x0000000002B91000-memory.dmp

Filesize
4KB

Download
memory/4668-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4668-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads