a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388

General

Target

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
Size

140KB
MD5

ec8f375201e7fc6d1442c6ce573d0727
SHA1

9943ea8973b7535085b1792414db5cdf6721d398
SHA256

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388
SHA512

edb3f9d5ee1bdd1c82e761f78156ebc88efd81146784fe9ba132ce2d8d77e34313fffc7e9f7566ed686f8e6e7be3b09bfd53c55325c529b03c7e76fb00d6c4f7
SSDEEP

3072:KoKY3eLtmelOckbmWl0O+UdNm/Q5v1p5E71i8PKc:KoK4cmKOckbmWyZUTvp5cV

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\fee58232.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fee58232.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*ee5823 = "C:\\fee58232\\fee58232.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\fee58232 = "C:\\Users\\Admin\\AppData\\Roaming\\fee58232.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*ee58232 = "C:\\Users\\Admin\\AppData\\Roaming\\fee58232.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\fee5823 = "C:\\fee58232\\fee58232.exe"	explorer.exe

Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 ip-addr.es
4 myexternalip.com
6 myexternalip.com
91 myexternalip.com

flow	ioc
2	ip-addr.es
4	myexternalip.com
6	myexternalip.com
91	myexternalip.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe

description	pid	process	target process
PID 1612 set thread context of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.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

1448 vssadmin.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exeexplorer.exe

pid process

1956 a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
1940 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2044 vssvc.exe
Token: SeRestorePrivilege 2044 vssvc.exe
Token: SeAuditPrivilege 2044 vssvc.exe

pid	process
1448	vssadmin.exe

pid	process
1956	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
1940	explorer.exe

description	pid	process
Token: SeBackupPrivilege	2044	vssvc.exe
Token: SeRestorePrivilege	2044	vssvc.exe
Token: SeAuditPrivilege	2044	vssvc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exea9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exeexplorer.exe

description	pid	process	target process
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1612 wrote to memory of 1956	1612	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 1956 wrote to memory of 1940	1956	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	explorer.exe
PID 1956 wrote to memory of 1940	1956	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	explorer.exe
PID 1956 wrote to memory of 1940	1956	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	explorer.exe
PID 1956 wrote to memory of 1940	1956	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	explorer.exe
PID 1940 wrote to memory of 240	1940	explorer.exe	svchost.exe
PID 1940 wrote to memory of 240	1940	explorer.exe	svchost.exe
PID 1940 wrote to memory of 240	1940	explorer.exe	svchost.exe
PID 1940 wrote to memory of 240	1940	explorer.exe	svchost.exe
PID 1940 wrote to memory of 1448	1940	explorer.exe	vssadmin.exe
PID 1940 wrote to memory of 1448	1940	explorer.exe	vssadmin.exe
PID 1940 wrote to memory of 1448	1940	explorer.exe	vssadmin.exe
PID 1940 wrote to memory of 1448	1940	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
"C:\Users\Admin\AppData\Local\Temp\a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1612

C:\Users\Admin\AppData\Local\Temp\a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
"C:\Users\Admin\AppData\Local\Temp\a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe"
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1956

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:1940

C:\Windows\syswow64\svchost.exe
-k netsvcs
4⤵
PID:240

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1448

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2044

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/240-75-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/240-74-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/240-71-0x0000000000000000-mapping.dmp

Download
memory/1448-72-0x0000000000000000-mapping.dmp

Download
memory/1612-64-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/1612-55-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1940-69-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/1940-66-0x0000000000000000-mapping.dmp

Download
memory/1940-70-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1956-63-0x00000000010048BE-mapping.dmp

Download
memory/1956-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1956-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1956-62-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1956-60-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1956-59-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1956-57-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1956-56-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads