dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 13:20

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General

Target

dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70.exe
Size

192KB
MD5

631099792acfdeba2ae932a7978f54a6
SHA1

5c37f8c0e13375cca7f7ce2e9a96a19f7ef3a70b
SHA256

dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70
SHA512

4bd71a9749dbbada69a536488de9e363005a805415e88a384f3749ecc8fb0fc6bbc3c67a94d4d7bb13934019a68b7080970e571c695680a40b743e4bc7622eba
SSDEEP

3072:8K5hkw3UT6SMhSl/VuyBzNVu5KT2Uj+TDdRJfkpkercz5PWVlI7I5:RkwClw4tfr05KpcRJcpkQcVPWVlD

Score

9^/10

persistence ransomware

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\afd3b0e.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\afd3b0e = "C:\\Users\\Admin\\AppData\\Roaming\\afd3b0e.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*fd3b0e = "C:\\Users\\Admin\\AppData\\Roaming\\afd3b0e.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\afd3b0 = "C:\\afd3b0e\\afd3b0e.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*fd3b0 = "C:\\afd3b0e\\afd3b0e.exe"	explorer.exe

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
580	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2020	explorer.exe
2020	explorer.exe
2020	explorer.exe
2020	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1184	dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70.exe
2020	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	932	vssvc.exe
Token: SeRestorePrivilege	932	vssvc.exe
Token: SeAuditPrivilege	932	vssvc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 2020	1184	dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70.exe	27
PID 1184 wrote to memory of 2020	1184	dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70.exe	27
PID 1184 wrote to memory of 2020	1184	dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70.exe	27
PID 1184 wrote to memory of 2020	1184	dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70.exe	27
PID 2020 wrote to memory of 896	2020	explorer.exe	28
PID 2020 wrote to memory of 896	2020	explorer.exe	28
PID 2020 wrote to memory of 896	2020	explorer.exe	28
PID 2020 wrote to memory of 896	2020	explorer.exe	28
PID 2020 wrote to memory of 580	2020	explorer.exe	29
PID 2020 wrote to memory of 580	2020	explorer.exe	29
PID 2020 wrote to memory of 580	2020	explorer.exe	29
PID 2020 wrote to memory of 580	2020	explorer.exe	29

C:\Users\Admin\AppData\Local\Temp\dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70.exe
"C:\Users\Admin\AppData\Local\Temp\dd9ba29e39f279589c477f7044c31cf5f9b85c6edb5b7ce5a3bdd6ca3a854a70.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Windows\syswow64\explorer.exe
  "C:\Windows\syswow64\explorer.exe"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\syswow64\svchost.exe
    -k netsvcs
    3⤵
    PID:896
- - C:\Windows\syswow64\vssadmin.exe
    vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:580

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/896-63-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1184-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1184-55-0x0000000000290000-0x00000000002A4000-memory.dmp

Filesize
80KB

Download
memory/1184-56-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2020-60-0x0000000074741000-0x0000000074743000-memory.dmp

Filesize
8KB

Download
memory/2020-61-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/2020-66-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download