4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab

General

Target

4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
Size

137KB
MD5

35dbf14ccd580c19ade8b4378b7ef228
SHA1

02922d258a6379fb369c99b4a7bba9ebc8786ac4
SHA256

4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab
SHA512

47ae2c57fa7bcbff0e98ae41bb9a8151ac8a24e70120d549021a903fc9e99cf9688233116e8458ae1ff61861ed6150a7e4652be974b2c3cbeebf6c7019e8cab3
SSDEEP

3072:cNhD3Ybr7iSRjtfZ7sahit8k5ZzA8BrtRC/+zouEVetkYWVwBJZkVWqHqd:2sbvd4ahitplAyfCYNM5uBJZHqH

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\526932a.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\526932a.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\526932 = "C:\\526932a\\526932a.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*26932 = "C:\\526932a\\526932a.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\526932a = "C:\\Users\\Admin\\AppData\\Roaming\\526932a.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*26932a = "C:\\Users\\Admin\\AppData\\Roaming\\526932a.exe"	explorer.exe

Looks up external IP address via web service 2 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

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe

description	pid	process	target process
PID 1168 set thread context of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.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

276 vssadmin.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exeexplorer.exe

pid process

1932 4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
1724 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1676 vssvc.exe
Token: SeRestorePrivilege 1676 vssvc.exe
Token: SeAuditPrivilege 1676 vssvc.exe

pid	process
276	vssadmin.exe

pid	process
1932	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
1724	explorer.exe

description	pid	process
Token: SeBackupPrivilege	1676	vssvc.exe
Token: SeRestorePrivilege	1676	vssvc.exe
Token: SeAuditPrivilege	1676	vssvc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exeexplorer.exe

description	pid	process	target process
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1168 wrote to memory of 1932	1168	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
PID 1932 wrote to memory of 1724	1932	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	explorer.exe
PID 1932 wrote to memory of 1724	1932	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	explorer.exe
PID 1932 wrote to memory of 1724	1932	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	explorer.exe
PID 1932 wrote to memory of 1724	1932	4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe	explorer.exe
PID 1724 wrote to memory of 2020	1724	explorer.exe	svchost.exe
PID 1724 wrote to memory of 2020	1724	explorer.exe	svchost.exe
PID 1724 wrote to memory of 2020	1724	explorer.exe	svchost.exe
PID 1724 wrote to memory of 2020	1724	explorer.exe	svchost.exe
PID 1724 wrote to memory of 276	1724	explorer.exe	vssadmin.exe
PID 1724 wrote to memory of 276	1724	explorer.exe	vssadmin.exe
PID 1724 wrote to memory of 276	1724	explorer.exe	vssadmin.exe
PID 1724 wrote to memory of 276	1724	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
"C:\Users\Admin\AppData\Local\Temp\4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1168

C:\Users\Admin\AppData\Local\Temp\4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe
"C:\Users\Admin\AppData\Local\Temp\4345a7bbe08110277171dd9c6a6d7736e220d5d7ef11d9d082b18b857a7941ab.exe"
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1932

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:1724

C:\Windows\syswow64\svchost.exe
-k netsvcs
4⤵
PID:2020

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:276

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1676

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/276-71-0x0000000000000000-mapping.dmp

Download
memory/1168-64-0x0000000074EA0000-0x000000007544B000-memory.dmp

Filesize
5.7MB

Download
memory/1168-55-0x0000000074EA0000-0x000000007544B000-memory.dmp

Filesize
5.7MB

Download
memory/1168-54-0x0000000076401000-0x0000000076403000-memory.dmp

Filesize
8KB

Download
memory/1724-69-0x0000000000120000-0x0000000000145000-memory.dmp

Filesize
148KB

Download
memory/1724-65-0x0000000000000000-mapping.dmp

Download
memory/1724-68-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/1932-60-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1932-62-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1932-63-0x0000000000C43D5E-mapping.dmp

Download
memory/1932-59-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1932-66-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1932-57-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1932-56-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2020-70-0x0000000000000000-mapping.dmp

Download
memory/2020-73-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads