8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88

General

Target

8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
Size

175KB
MD5

a39f7f890e4aa66827afb5511ec8623b
SHA1

68bc24e244c7ad17aec4bf7d24b5d76c3c54b3b7
SHA256

8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88
SHA512

cba83de2666d8181e58f5362ef7883f07133ab0f586d8e99f80c6915638e0c338af36dfd3baa1bda698279d397efc21c7bbfa777d15d767239767401a5a81ce8
SSDEEP

3072:gBeNJxbKuF7LKpuwFvdNUPnd7FaBXfOX0seK2RKCMHrzIMwY3QLIZO+wC:BJUwL+uWdNid7wBvOXyMfF/J

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\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
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

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
88 myexternalip.com

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe

description	pid	process	target process
PID 908 set thread context of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.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

1796 vssadmin.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exeexplorer.exe

pid process

856 8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
1204 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1752 vssvc.exe
Token: SeRestorePrivilege 1752 vssvc.exe
Token: SeAuditPrivilege 1752 vssvc.exe

pid	process
1796	vssadmin.exe

pid	process
856	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
1204	explorer.exe

description	pid	process
Token: SeBackupPrivilege	1752	vssvc.exe
Token: SeRestorePrivilege	1752	vssvc.exe
Token: SeAuditPrivilege	1752	vssvc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exeexplorer.exe

description	pid	process	target process
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 908 wrote to memory of 856	908	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
PID 856 wrote to memory of 1204	856	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	explorer.exe
PID 856 wrote to memory of 1204	856	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	explorer.exe
PID 856 wrote to memory of 1204	856	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	explorer.exe
PID 856 wrote to memory of 1204	856	8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe	explorer.exe
PID 1204 wrote to memory of 1292	1204	explorer.exe	svchost.exe
PID 1204 wrote to memory of 1292	1204	explorer.exe	svchost.exe
PID 1204 wrote to memory of 1292	1204	explorer.exe	svchost.exe
PID 1204 wrote to memory of 1292	1204	explorer.exe	svchost.exe
PID 1204 wrote to memory of 1796	1204	explorer.exe	vssadmin.exe
PID 1204 wrote to memory of 1796	1204	explorer.exe	vssadmin.exe
PID 1204 wrote to memory of 1796	1204	explorer.exe	vssadmin.exe
PID 1204 wrote to memory of 1796	1204	explorer.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
"C:\Users\Admin\AppData\Local\Temp\8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:908

C:\Users\Admin\AppData\Local\Temp\8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe
"C:\Users\Admin\AppData\Local\Temp\8c295763d1f6ae3cd31cefdd354dbe2208d06f5a7bb5f947d6e044da015fdf88.exe"
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:856

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:1204

C:\Windows\syswow64\svchost.exe
-k netsvcs
4⤵
PID:1292

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1796

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1752

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/856-63-0x000000000028D53E-mapping.dmp

Download
memory/856-66-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/856-57-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/856-55-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/856-59-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/856-60-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/856-62-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/908-64-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/908-54-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/908-56-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/1204-65-0x0000000000000000-mapping.dmp

Download
memory/1204-68-0x00000000751C1000-0x00000000751C3000-memory.dmp

Filesize
8KB

Download
memory/1204-69-0x00000000000E0000-0x0000000000105000-memory.dmp

Filesize
148KB

Download
memory/1292-70-0x0000000000000000-mapping.dmp

Download
memory/1292-73-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1292-74-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/1796-71-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads