8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d

General

Target

8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe
Size

352KB
MD5

b4de54b35be567dccdb82bdd68ee2e65
SHA1

2bd1c9fa438584b9305cd08f7b81c3b02eb9bfdc
SHA256

8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d
SHA512

8d5a2128d10061572550ca3af95e04af04b3149af64306aa2044c23772651054e010ad9a3b6ffc6103bcde5c934abb00f81f74dc819292be888652f41da1124c
SSDEEP

6144:Ii7FhAd2I4+zdGDSkKstgehkB2bNlHRQp1SKjrU8C:nFmdH4adGDSkl9/87

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\dfb5f6db.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dfb5f6db.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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*fb5f6db = "C:\\Users\\Admin\\AppData\\Roaming\\dfb5f6db.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\dfb5f6d = "C:\\dfb5f6db\\dfb5f6db.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*fb5f6d = "C:\\dfb5f6db\\dfb5f6db.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\dfb5f6db = "C:\\Users\\Admin\\AppData\\Roaming\\dfb5f6db.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
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

1204 vssadmin.exe

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

pid	process
1204	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe

pid	process
1628	8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe
1628	8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exeexplorer.exe

pid process

1628 8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe
1312 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1368 vssvc.exe
Token: SeRestorePrivilege 1368 vssvc.exe
Token: SeAuditPrivilege 1368 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1368	vssvc.exe
Token: SeRestorePrivilege	1368	vssvc.exe
Token: SeAuditPrivilege	1368	vssvc.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exeexplorer.exe

description	pid	process	target process
PID 1628 wrote to memory of 1312	1628	8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe	explorer.exe
PID 1628 wrote to memory of 1312	1628	8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe	explorer.exe
PID 1628 wrote to memory of 1312	1628	8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe	explorer.exe
PID 1628 wrote to memory of 1312	1628	8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe	explorer.exe
PID 1312 wrote to memory of 852	1312	explorer.exe	svchost.exe
PID 1312 wrote to memory of 852	1312	explorer.exe	svchost.exe
PID 1312 wrote to memory of 852	1312	explorer.exe	svchost.exe
PID 1312 wrote to memory of 852	1312	explorer.exe	svchost.exe
PID 1312 wrote to memory of 1204	1312	explorer.exe	vssadmin.exe
PID 1312 wrote to memory of 1204	1312	explorer.exe	vssadmin.exe
PID 1312 wrote to memory of 1204	1312	explorer.exe	vssadmin.exe
PID 1312 wrote to memory of 1204	1312	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe
"C:\Users\Admin\AppData\Local\Temp\8aae7f0575d68d4070b66bb528c3e4f4270a09156c00989fe25609c7b519a76d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\syswow64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\syswow64\svchost.exe
-k netsvcs
3⤵
PID:852

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:1204

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1368

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/852-62-0x0000000000000000-mapping.dmp

Download
memory/852-65-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/852-66-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1204-63-0x0000000000000000-mapping.dmp

Download
memory/1312-56-0x0000000000000000-mapping.dmp

Download
memory/1312-59-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/1312-60-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1628-54-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1628-55-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1628-57-0x0000000002310000-0x000000000295A000-memory.dmp

Filesize
6.3MB

Download
memory/1628-61-0x0000000002310000-0x000000000295A000-memory.dmp

Filesize
6.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads