b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5

General

Target

b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe
Size

303KB
MD5

eebc5a980cd2210467bb1e98dd6fa04c
SHA1

2cecd2160cd49f77f5490f827d3ab37bc135773c
SHA256

b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5
SHA512

104d18d3d1cc9a58fdb812f9f6dffb2b3b2c0551ec2d034f8621332b2facf3a8807dd6129d7e40f8407061a46a845bb34d5207411384246601f6af718af412b3
SSDEEP

6144:IOoTwQoCj3kuQbuuBm5Edp7C87z+XE3rvhe:awQoE3GbIE7CozqIhe

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

olvet.exe

pid process

548 olvet.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1320 cmd.exe
Loads dropped DLL 3 IoCs

Processes:

cmd.exeolvet.exe

pid process

1320 cmd.exe
1320 cmd.exe
548 olvet.exe

pid	process
1320	cmd.exe

pid	process
1320	cmd.exe
1320	cmd.exe
548	olvet.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe

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

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1736 taskkill.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1712 PING.EXE

pid	process
1736	taskkill.exe

pid	process
1712	PING.EXE

Suspicious behavior: EnumeratesProcesses 49 IoCs

Processes:

olvet.exe

pid	process
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe
548	olvet.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1736 taskkill.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

olvet.exe

pid process

548 olvet.exe
548 olvet.exe
548 olvet.exe
548 olvet.exe
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

olvet.exe

pid process

548 olvet.exe
548 olvet.exe
548 olvet.exe
548 olvet.exe

description	pid	process
Token: SeDebugPrivilege	1736	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.execmd.exe

description	pid	process	target process
PID 1928 wrote to memory of 1320	1928	b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe	cmd.exe
PID 1928 wrote to memory of 1320	1928	b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe	cmd.exe
PID 1928 wrote to memory of 1320	1928	b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe	cmd.exe
PID 1928 wrote to memory of 1320	1928	b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe	cmd.exe
PID 1320 wrote to memory of 1736	1320	cmd.exe	taskkill.exe
PID 1320 wrote to memory of 1736	1320	cmd.exe	taskkill.exe
PID 1320 wrote to memory of 1736	1320	cmd.exe	taskkill.exe
PID 1320 wrote to memory of 1736	1320	cmd.exe	taskkill.exe
PID 1320 wrote to memory of 1712	1320	cmd.exe	PING.EXE
PID 1320 wrote to memory of 1712	1320	cmd.exe	PING.EXE
PID 1320 wrote to memory of 1712	1320	cmd.exe	PING.EXE
PID 1320 wrote to memory of 1712	1320	cmd.exe	PING.EXE
PID 1320 wrote to memory of 548	1320	cmd.exe	olvet.exe
PID 1320 wrote to memory of 548	1320	cmd.exe	olvet.exe
PID 1320 wrote to memory of 548	1320	cmd.exe	olvet.exe
PID 1320 wrote to memory of 548	1320	cmd.exe	olvet.exe

C:\Users\Admin\AppData\Local\Temp\b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe
"C:\Users\Admin\AppData\Local\Temp\b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1928 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5.exe" & start C:\Users\Admin\AppData\Local\olvet.exe -f
2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /pid 1928
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1736

C:\Windows\SysWOW64\PING.EXE
ping -n 3 127.1
3⤵
- Runs ping.exe
PID:1712

C:\Users\Admin\AppData\Local\olvet.exe
C:\Users\Admin\AppData\Local\olvet.exe -f
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:548

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\olvet.exe
Filesize
303KB

MD5
eebc5a980cd2210467bb1e98dd6fa04c

SHA1
2cecd2160cd49f77f5490f827d3ab37bc135773c

SHA256
b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5

SHA512
104d18d3d1cc9a58fdb812f9f6dffb2b3b2c0551ec2d034f8621332b2facf3a8807dd6129d7e40f8407061a46a845bb34d5207411384246601f6af718af412b3

Download Submit
C:\Users\Admin\AppData\Local\olvet.exe
Filesize
303KB

MD5
eebc5a980cd2210467bb1e98dd6fa04c

SHA1
2cecd2160cd49f77f5490f827d3ab37bc135773c

SHA256
b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5

SHA512
104d18d3d1cc9a58fdb812f9f6dffb2b3b2c0551ec2d034f8621332b2facf3a8807dd6129d7e40f8407061a46a845bb34d5207411384246601f6af718af412b3

Download Submit
\Users\Admin\AppData\Local\olvet.exe
Filesize
303KB

MD5
eebc5a980cd2210467bb1e98dd6fa04c

SHA1
2cecd2160cd49f77f5490f827d3ab37bc135773c

SHA256
b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5

SHA512
104d18d3d1cc9a58fdb812f9f6dffb2b3b2c0551ec2d034f8621332b2facf3a8807dd6129d7e40f8407061a46a845bb34d5207411384246601f6af718af412b3

Download Submit
\Users\Admin\AppData\Local\olvet.exe
Filesize
303KB

MD5
eebc5a980cd2210467bb1e98dd6fa04c

SHA1
2cecd2160cd49f77f5490f827d3ab37bc135773c

SHA256
b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5

SHA512
104d18d3d1cc9a58fdb812f9f6dffb2b3b2c0551ec2d034f8621332b2facf3a8807dd6129d7e40f8407061a46a845bb34d5207411384246601f6af718af412b3

Download Submit
\Users\Admin\AppData\Local\olvet.exe
Filesize
303KB

MD5
eebc5a980cd2210467bb1e98dd6fa04c

SHA1
2cecd2160cd49f77f5490f827d3ab37bc135773c

SHA256
b0a9402a6567ca14f773c9ef6f5e8b657a881dec93ffdd23ed8f78be95d81fd5

SHA512
104d18d3d1cc9a58fdb812f9f6dffb2b3b2c0551ec2d034f8621332b2facf3a8807dd6129d7e40f8407061a46a845bb34d5207411384246601f6af718af412b3

Download Submit
memory/548-65-0x0000000000000000-mapping.dmp

Download
memory/548-71-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/548-70-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/1320-58-0x0000000000000000-mapping.dmp

Download
memory/1712-61-0x0000000000000000-mapping.dmp

Download
memory/1736-60-0x0000000000000000-mapping.dmp

Download
memory/1928-56-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/1928-55-0x0000000075E11000-0x0000000075E13000-memory.dmp

Filesize
8KB

Download
memory/1928-57-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/1928-54-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/1928-59-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads