d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21

General

Target

d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
Size

149KB
MD5

1e4e9740b6dfd25244f39aa4bd5321c9
SHA1

19e7e9d26a12a3441ed44e32d7985e829a9acdbc
SHA256

d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21
SHA512

8f358cce4cb7e38e64f4a5c8e9f3bd120ff1c919452d15816edca7d872131db1842f132e5a7f45e56ff4e1887a694a073cc9f5708722d423f18728500123cfb0
SSDEEP

3072:vgZsYK3V6qRbShJvB12wtfkcRPIuxvvliXXDB3QnEN0BdYZp:3V6UmJ4rLG1uXV3QnEN0BG

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 4 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
87 myexternalip.com

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe

description	pid	process	target process
PID 1396 set thread context of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.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

1940 vssadmin.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exeexplorer.exe

pid process

584 d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
1480 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1960 vssvc.exe
Token: SeRestorePrivilege 1960 vssvc.exe
Token: SeAuditPrivilege 1960 vssvc.exe

pid	process
1940	vssadmin.exe

pid	process
584	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
1480	explorer.exe

description	pid	process
Token: SeBackupPrivilege	1960	vssvc.exe
Token: SeRestorePrivilege	1960	vssvc.exe
Token: SeAuditPrivilege	1960	vssvc.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exed4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exeexplorer.exe

description	pid	process	target process
PID 1396 wrote to memory of 1156	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 1156	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 1156	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 1156	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 1396 wrote to memory of 584	1396	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
PID 584 wrote to memory of 1480	584	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	explorer.exe
PID 584 wrote to memory of 1480	584	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	explorer.exe
PID 584 wrote to memory of 1480	584	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	explorer.exe
PID 584 wrote to memory of 1480	584	d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe	explorer.exe
PID 1480 wrote to memory of 1104	1480	explorer.exe	svchost.exe
PID 1480 wrote to memory of 1104	1480	explorer.exe	svchost.exe
PID 1480 wrote to memory of 1104	1480	explorer.exe	svchost.exe
PID 1480 wrote to memory of 1104	1480	explorer.exe	svchost.exe
PID 1480 wrote to memory of 1940	1480	explorer.exe	vssadmin.exe
PID 1480 wrote to memory of 1940	1480	explorer.exe	vssadmin.exe
PID 1480 wrote to memory of 1940	1480	explorer.exe	vssadmin.exe
PID 1480 wrote to memory of 1940	1480	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
"C:\Users\Admin\AppData\Local\Temp\d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1396

C:\Users\Admin\AppData\Local\Temp\d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
"C:\Users\Admin\AppData\Local\Temp\d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe"
2⤵
PID:1156

C:\Users\Admin\AppData\Local\Temp\d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe
"C:\Users\Admin\AppData\Local\Temp\d4d36ea03fb4b3e1b33069073a8bf2c0f63a681ba51173f5d349e8f1356caf21.exe"
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:584

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:1480

C:\Windows\syswow64\svchost.exe
-k netsvcs
4⤵
PID:1104

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1940

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1960

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/584-63-0x0000000001256B3E-mapping.dmp

Download
memory/584-60-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/584-56-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/584-57-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/584-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/584-62-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/584-59-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1104-70-0x0000000000000000-mapping.dmp

Download
memory/1104-73-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1104-74-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1396-54-0x0000000075BE1000-0x0000000075BE3000-memory.dmp

Filesize
8KB

Download
memory/1396-55-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/1396-64-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/1480-66-0x0000000000000000-mapping.dmp

Download
memory/1480-68-0x0000000074E51000-0x0000000074E53000-memory.dmp

Filesize
8KB

Download
memory/1480-69-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1940-71-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads