ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18

General

Target

ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe
Size

58KB
MD5

69b2e5d45b9eb9b7d342f6f580dd6ba8
SHA1

6005c62f68ab4541e4d285d5e20877904b08fc48
SHA256

ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18
SHA512

511d47ebbc55fa612ef8755446b835079bb6c09c22fe6987ed9170a1efabc2f5ada0e9f801899e5f315401aa8d4408e0883f34d8d4fbd6dcf944a6b99e0af430

Score

9^/10

discovery exploit 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
Executes dropped EXE 2 IoCs

Processes:

Snmp:binSnmp.exe

pid process

2016 Snmp:bin
1524 Snmp.exe

pid	process
2016	Snmp:bin
1524	Snmp.exe

Modifies extensions of user files 21 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Snmp.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\CloseNew.crw.3ncrypt3d_help	Snmp.exe
File opened for modification	C:\Users\Admin\Pictures\ResizeDisable.png.3ncrypt3d	Snmp.exe
File renamed	C:\Users\Admin\Pictures\ResumeHide.crw => C:\Users\Admin\Pictures\ResumeHide.crw.3ncrypt3d	Snmp.exe
File created	C:\Users\Admin\Pictures\UndoBackup.png.3ncrypt3d_help	Snmp.exe
File renamed	C:\Users\Admin\Pictures\UndoBackup.png => C:\Users\Admin\Pictures\UndoBackup.png.3ncrypt3d	Snmp.exe
File opened for modification	C:\Users\Admin\Pictures\UndoBackup.png.3ncrypt3d	Snmp.exe
File created	C:\Users\Admin\Pictures\UnlockSuspend.tif.3ncrypt3d_help	Snmp.exe
File renamed	C:\Users\Admin\Pictures\UnlockSuspend.tif => C:\Users\Admin\Pictures\UnlockSuspend.tif.3ncrypt3d	Snmp.exe
File renamed	C:\Users\Admin\Pictures\ExitSet.tiff => C:\Users\Admin\Pictures\ExitSet.tiff.3ncrypt3d	Snmp.exe
File created	C:\Users\Admin\Pictures\RedoPublish.crw.3ncrypt3d_help	Snmp.exe
File opened for modification	C:\Users\Admin\Pictures\RedoPublish.crw.3ncrypt3d	Snmp.exe
File renamed	C:\Users\Admin\Pictures\CloseNew.crw => C:\Users\Admin\Pictures\CloseNew.crw.3ncrypt3d	Snmp.exe
File opened for modification	C:\Users\Admin\Pictures\CloseNew.crw.3ncrypt3d	Snmp.exe
File created	C:\Users\Admin\Pictures\ExitSet.tiff.3ncrypt3d_help	Snmp.exe
File opened for modification	C:\Users\Admin\Pictures\ExitSet.tiff.3ncrypt3d	Snmp.exe
File renamed	C:\Users\Admin\Pictures\ResizeDisable.png => C:\Users\Admin\Pictures\ResizeDisable.png.3ncrypt3d	Snmp.exe
File opened for modification	C:\Users\Admin\Pictures\ResumeHide.crw.3ncrypt3d	Snmp.exe
File opened for modification	C:\Users\Admin\Pictures\UnlockSuspend.tif.3ncrypt3d	Snmp.exe
File renamed	C:\Users\Admin\Pictures\RedoPublish.crw => C:\Users\Admin\Pictures\RedoPublish.crw.3ncrypt3d	Snmp.exe
File created	C:\Users\Admin\Pictures\ResizeDisable.png.3ncrypt3d_help	Snmp.exe
File created	C:\Users\Admin\Pictures\ResumeHide.crw.3ncrypt3d_help	Snmp.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1368 takeown.exe
1528 icacls.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

584 cmd.exe

pid	process
1368	takeown.exe
1528	icacls.exe

pid	process
584	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe

pid	process
484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe
484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe

Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1368 takeown.exe
1528 icacls.exe

pid	process
1368	takeown.exe
1528	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Snmp:binattrib.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Snmp.exe	Snmp:bin
File opened for modification	C:\Windows\SysWOW64\Snmp.exe	attrib.exe

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

vssvc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.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

1420 vssadmin.exe

pid	process
1420	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Snmp:bin	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2012 vssvc.exe
Token: SeRestorePrivilege 2012 vssvc.exe
Token: SeAuditPrivilege 2012 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	2012	vssvc.exe
Token: SeRestorePrivilege	2012	vssvc.exe
Token: SeAuditPrivilege	2012	vssvc.exe

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exeSnmp:binSnmp.execmd.execmd.execmd.exe

description	pid	process	target process
PID 484 wrote to memory of 2016	484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe	Snmp:bin
PID 484 wrote to memory of 2016	484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe	Snmp:bin
PID 484 wrote to memory of 2016	484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe	Snmp:bin
PID 484 wrote to memory of 2016	484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe	Snmp:bin
PID 2016 wrote to memory of 1420	2016	Snmp:bin	vssadmin.exe
PID 2016 wrote to memory of 1420	2016	Snmp:bin	vssadmin.exe
PID 2016 wrote to memory of 1420	2016	Snmp:bin	vssadmin.exe
PID 2016 wrote to memory of 1420	2016	Snmp:bin	vssadmin.exe
PID 2016 wrote to memory of 1368	2016	Snmp:bin	takeown.exe
PID 2016 wrote to memory of 1368	2016	Snmp:bin	takeown.exe
PID 2016 wrote to memory of 1368	2016	Snmp:bin	takeown.exe
PID 2016 wrote to memory of 1368	2016	Snmp:bin	takeown.exe
PID 2016 wrote to memory of 1528	2016	Snmp:bin	icacls.exe
PID 2016 wrote to memory of 1528	2016	Snmp:bin	icacls.exe
PID 2016 wrote to memory of 1528	2016	Snmp:bin	icacls.exe
PID 2016 wrote to memory of 1528	2016	Snmp:bin	icacls.exe
PID 1524 wrote to memory of 332	1524	Snmp.exe	cmd.exe
PID 1524 wrote to memory of 332	1524	Snmp.exe	cmd.exe
PID 1524 wrote to memory of 332	1524	Snmp.exe	cmd.exe
PID 1524 wrote to memory of 332	1524	Snmp.exe	cmd.exe
PID 332 wrote to memory of 916	332	cmd.exe	choice.exe
PID 332 wrote to memory of 916	332	cmd.exe	choice.exe
PID 332 wrote to memory of 916	332	cmd.exe	choice.exe
PID 332 wrote to memory of 916	332	cmd.exe	choice.exe
PID 2016 wrote to memory of 300	2016	Snmp:bin	cmd.exe
PID 2016 wrote to memory of 300	2016	Snmp:bin	cmd.exe
PID 2016 wrote to memory of 300	2016	Snmp:bin	cmd.exe
PID 2016 wrote to memory of 300	2016	Snmp:bin	cmd.exe
PID 484 wrote to memory of 584	484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe	cmd.exe
PID 484 wrote to memory of 584	484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe	cmd.exe
PID 484 wrote to memory of 584	484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe	cmd.exe
PID 484 wrote to memory of 584	484	ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe	cmd.exe
PID 300 wrote to memory of 1556	300	cmd.exe	choice.exe
PID 300 wrote to memory of 1556	300	cmd.exe	choice.exe
PID 300 wrote to memory of 1556	300	cmd.exe	choice.exe
PID 300 wrote to memory of 1556	300	cmd.exe	choice.exe
PID 584 wrote to memory of 2008	584	cmd.exe	choice.exe
PID 584 wrote to memory of 2008	584	cmd.exe	choice.exe
PID 584 wrote to memory of 2008	584	cmd.exe	choice.exe
PID 584 wrote to memory of 2008	584	cmd.exe	choice.exe
PID 332 wrote to memory of 1344	332	cmd.exe	attrib.exe
PID 332 wrote to memory of 1344	332	cmd.exe	attrib.exe
PID 332 wrote to memory of 1344	332	cmd.exe	attrib.exe
PID 332 wrote to memory of 1344	332	cmd.exe	attrib.exe
PID 584 wrote to memory of 1684	584	cmd.exe	attrib.exe
PID 584 wrote to memory of 1684	584	cmd.exe	attrib.exe
PID 584 wrote to memory of 1684	584	cmd.exe	attrib.exe
PID 584 wrote to memory of 1684	584	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1344 attrib.exe
1684 attrib.exe

pid	process
1344	attrib.exe
1684	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe
"C:\Users\Admin\AppData\Local\Temp\ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:484

C:\Users\Admin\AppData\Roaming\Snmp:bin
C:\Users\Admin\AppData\Roaming\Snmp:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:1420

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Snmp.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1368

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Snmp.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1528

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /d y /t 11 & attrib -h "C:\Users\Admin\AppData\Roaming\Snmp" & del "C:\Users\Admin\AppData\Roaming\Snmp"
3⤵
- Suspicious use of WriteProcessMemory
PID:300

C:\Windows\SysWOW64\choice.exe
choice /d y /t 11
4⤵
PID:1556

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /d y /t 11 & attrib -h "C:\Users\Admin\AppData\Local\Temp\ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe" & del "C:\Users\Admin\AppData\Local\Temp\ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:584

C:\Windows\SysWOW64\choice.exe
choice /d y /t 11
3⤵
PID:2008

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18.bin.exe"
3⤵
- Views/modifies file attributes
PID:1684

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:2012

C:\Windows\SysWOW64\Snmp.exe
C:\Windows\SysWOW64\Snmp.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /d y /t 11 & attrib -h "C:\Windows\SysWOW64\Snmp.exe" & del "C:\Windows\SysWOW64\Snmp.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:332

C:\Windows\SysWOW64\choice.exe
choice /d y /t 11
3⤵
PID:916

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Snmp.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1344

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

File Permissions Modification

1

T1222

Modify Registry

1

T1112

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Users\Admin\AppData\Roaming\Snmp:bin
MD5
69b2e5d45b9eb9b7d342f6f580dd6ba8

SHA1
6005c62f68ab4541e4d285d5e20877904b08fc48

SHA256
ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18

SHA512
511d47ebbc55fa612ef8755446b835079bb6c09c22fe6987ed9170a1efabc2f5ada0e9f801899e5f315401aa8d4408e0883f34d8d4fbd6dcf944a6b99e0af430

Download Submit
C:\Users\Admin\AppData\Roaming\Snmp:bin
MD5
69b2e5d45b9eb9b7d342f6f580dd6ba8

SHA1
6005c62f68ab4541e4d285d5e20877904b08fc48

SHA256
ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18

SHA512
511d47ebbc55fa612ef8755446b835079bb6c09c22fe6987ed9170a1efabc2f5ada0e9f801899e5f315401aa8d4408e0883f34d8d4fbd6dcf944a6b99e0af430

Download Submit
C:\Windows\SysWOW64\Snmp.exe
MD5
69b2e5d45b9eb9b7d342f6f580dd6ba8

SHA1
6005c62f68ab4541e4d285d5e20877904b08fc48

SHA256
ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18

SHA512
511d47ebbc55fa612ef8755446b835079bb6c09c22fe6987ed9170a1efabc2f5ada0e9f801899e5f315401aa8d4408e0883f34d8d4fbd6dcf944a6b99e0af430

Download Submit
C:\Windows\SysWOW64\Snmp.exe
MD5
69b2e5d45b9eb9b7d342f6f580dd6ba8

SHA1
6005c62f68ab4541e4d285d5e20877904b08fc48

SHA256
ec9b412e9a6e0da1a21c01158c4c8313b61b033f58d16d913d72229794069d18

SHA512
511d47ebbc55fa612ef8755446b835079bb6c09c22fe6987ed9170a1efabc2f5ada0e9f801899e5f315401aa8d4408e0883f34d8d4fbd6dcf944a6b99e0af430

Download Submit
\Users\Admin\AppData\Roaming\Snmp
MD5
94feb4417cf3e39c8c58a1b73620687e

SHA1
ea03ac74ff1f49f93445781c90d5518f5e5d9cab

SHA256
1caa06ba419a05129a54e085aa80aa8bbe533c7276574036f75627c421cc436d

SHA512
ef1fe9201b915fb5d551c09b59846408c3ed27e5a6e832f732a521808970526a16e926b9585051d7705f363aa021ac4f087ac508c7cdf5130eb8ead77dd867d5

Download Submit
\Users\Admin\AppData\Roaming\Snmp
MD5
94feb4417cf3e39c8c58a1b73620687e

SHA1
ea03ac74ff1f49f93445781c90d5518f5e5d9cab

SHA256
1caa06ba419a05129a54e085aa80aa8bbe533c7276574036f75627c421cc436d

SHA512
ef1fe9201b915fb5d551c09b59846408c3ed27e5a6e832f732a521808970526a16e926b9585051d7705f363aa021ac4f087ac508c7cdf5130eb8ead77dd867d5

Download Submit
memory/300-12-0x0000000000000000-mapping.dmp

Download
memory/332-10-0x0000000000000000-mapping.dmp

Download
memory/584-13-0x0000000000000000-mapping.dmp

Download
memory/916-11-0x0000000000000000-mapping.dmp

Download
memory/1344-16-0x0000000000000000-mapping.dmp

Download
memory/1368-6-0x0000000000000000-mapping.dmp

Download
memory/1420-4-0x0000000000000000-mapping.dmp

Download
memory/1528-8-0x0000000000000000-mapping.dmp

Download
memory/1556-14-0x0000000000000000-mapping.dmp

Download
memory/1684-17-0x0000000000000000-mapping.dmp

Download
memory/2008-15-0x0000000000000000-mapping.dmp

Download
memory/2016-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads