sodinokibi | a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d

General

Target

a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
Size

161KB
MD5

b80cbbee9676aa8c647066a2e97e1d0f
SHA1

d0aad84d055b90a05a62319255830d55e03777ba
SHA256

a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d
SHA512

75529d67f6ed75eed241342832dede9f17825dce4d20a0ea5178ad329e6b1c594d4364a3899050d3df7b14e9b507f7be5dc08c455c883015f89e6d58488c31b8

Score

10^/10

sodinokibi ransomware

Malware Config

Signatures

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe

description	ioc	process
File opened (read-only)	\??\R:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\Y:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\F:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\N:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\Q:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\H:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\P:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\E:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\I:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\L:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\O:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\S:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\T:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\A:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\B:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\X:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\Z:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\U:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\W:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\K:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\M:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\V:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\G:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
File opened (read-only)	\??\J:	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

2676 vssadmin.exe

pid	process
2676	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe

pid	process
3476	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
3476	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 3684 vssvc.exe
Token: SeRestorePrivilege 3684 vssvc.exe
Token: SeAuditPrivilege 3684 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	3684	vssvc.exe
Token: SeRestorePrivilege	3684	vssvc.exe
Token: SeAuditPrivilege	3684	vssvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.execmd.exe

description	pid	process	target process
PID 3476 wrote to memory of 3140	3476	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe	cmd.exe
PID 3476 wrote to memory of 3140	3476	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe	cmd.exe
PID 3476 wrote to memory of 3140	3476	a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe	cmd.exe
PID 3140 wrote to memory of 2676	3140	cmd.exe	vssadmin.exe
PID 3140 wrote to memory of 2676	3140	cmd.exe	vssadmin.exe
PID 3140 wrote to memory of 2676	3140	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe
"C:\Users\Admin\AppData\Local\Temp\a3f077a4c29c522d9d70e3b22778c5a07239b6949562b37617e5ac913843076d.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3476

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
2⤵
- Suspicious use of WriteProcessMemory
PID:3140