53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3

General

Target

53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
Size

197KB
MD5

f66262f719ffdae875e374477a46d834
SHA1

dca006b0432b6b03308834899ab8f1ec485f054f
SHA256

53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3
SHA512

fe09cd190acc407f6565844dfe31c1b320e39cd7a61e10b28733927f505a937090dc137b6edab597e664c48e2392049326c78bbc037b621acd3dcee70f20e139
SSDEEP

6144:HVDkWoLQkZy6RSs9ASTLlZQeqXnbl/kdQP6:Hpstyun9HTLXQeqXZ/kdQP6

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

Processes:

explorer.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b6807533.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b6807533.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\b680753 = "C:\\b6807533\\b6807533.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*680753 = "C:\\b6807533\\b6807533.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\b6807533 = "C:\\Users\\Admin\\AppData\\Roaming\\b6807533.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*6807533 = "C:\\Users\\Admin\\AppData\\Roaming\\b6807533.exe"	explorer.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 ip-addr.es
5 myexternalip.com
7 myexternalip.com

flow	ioc
3	ip-addr.es
5	myexternalip.com
7	myexternalip.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe

description	pid	process	target process
PID 952 set thread context of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.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

Processes:

vssadmin.exe

pid process

1752 vssadmin.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exeexplorer.exe

pid process

1620 53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
1404 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1056 vssvc.exe
Token: SeRestorePrivilege 1056 vssvc.exe
Token: SeAuditPrivilege 1056 vssvc.exe

pid	process
1752	vssadmin.exe

pid	process
1620	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
1404	explorer.exe

description	pid	process
Token: SeBackupPrivilege	1056	vssvc.exe
Token: SeRestorePrivilege	1056	vssvc.exe
Token: SeAuditPrivilege	1056	vssvc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exeexplorer.exe

description	pid	process	target process
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 952 wrote to memory of 1620	952	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
PID 1620 wrote to memory of 1404	1620	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	explorer.exe
PID 1620 wrote to memory of 1404	1620	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	explorer.exe
PID 1620 wrote to memory of 1404	1620	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	explorer.exe
PID 1620 wrote to memory of 1404	1620	53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe	explorer.exe
PID 1404 wrote to memory of 1120	1404	explorer.exe	svchost.exe
PID 1404 wrote to memory of 1120	1404	explorer.exe	svchost.exe
PID 1404 wrote to memory of 1120	1404	explorer.exe	svchost.exe
PID 1404 wrote to memory of 1120	1404	explorer.exe	svchost.exe
PID 1404 wrote to memory of 1752	1404	explorer.exe	vssadmin.exe
PID 1404 wrote to memory of 1752	1404	explorer.exe	vssadmin.exe
PID 1404 wrote to memory of 1752	1404	explorer.exe	vssadmin.exe
PID 1404 wrote to memory of 1752	1404	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
"C:\Users\Admin\AppData\Local\Temp\53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:952

C:\Users\Admin\AppData\Local\Temp\53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe
"C:\Users\Admin\AppData\Local\Temp\53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3.exe"
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\syswow64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
3⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\syswow64\svchost.exe
-k netsvcs
4⤵
PID:1120

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1752

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1056

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/952-64-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/952-55-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/952-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1120-74-0x00000000000E0000-0x0000000000105000-memory.dmp

Filesize
148KB

Download
memory/1120-73-0x00000000000E0000-0x0000000000105000-memory.dmp

Filesize
148KB

Download
memory/1120-70-0x0000000000000000-mapping.dmp

Download
memory/1404-69-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1404-65-0x0000000000000000-mapping.dmp

Download
memory/1404-68-0x00000000749A1000-0x00000000749A3000-memory.dmp

Filesize
8KB

Download
memory/1620-63-0x00000000003F2BCE-mapping.dmp

Download
memory/1620-62-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1620-66-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1620-60-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1620-59-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1620-57-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1620-56-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1752-72-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads