06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21

General

Target

06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe
Size

60KB
MD5

eb86699181894931833816e860ab279d
SHA1

e98d1319d2614debebeeabc26616d327950f699e
SHA256

06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21
SHA512

9b567fbca1cd9720c86bd848a49dc8aeda47104d06be7c4d7189a6a7ec6956c41ee5c40aac49f90067e7ab2e7b65078197b9f9d6c7a5e2c1c52b9ab971a6c714

Score

9^/10

discovery exploit 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:

Backup:binBackup.exe

pid process

1296 Backup:bin
832 Backup.exe

pid	process
1296	Backup:bin
832	Backup.exe

Modifies extensions of user files 12 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Backup.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\StartSend.png => C:\Users\Admin\Pictures\StartSend.png.3ncrypt3d	Backup.exe
File opened for modification	C:\Users\Admin\Pictures\StartSend.png.3ncrypt3d	Backup.exe
File created	C:\Users\Admin\Pictures\LimitUnregister.png.3ncrypt3d_help	Backup.exe
File opened for modification	C:\Users\Admin\Pictures\LimitUnregister.png.3ncrypt3d	Backup.exe
File opened for modification	C:\Users\Admin\Pictures\PingGet.tif.3ncrypt3d	Backup.exe
File created	C:\Users\Admin\Pictures\StartSend.png.3ncrypt3d_help	Backup.exe
File created	C:\Users\Admin\Pictures\TraceMove.tiff.3ncrypt3d_help	Backup.exe
File renamed	C:\Users\Admin\Pictures\TraceMove.tiff => C:\Users\Admin\Pictures\TraceMove.tiff.3ncrypt3d	Backup.exe
File opened for modification	C:\Users\Admin\Pictures\TraceMove.tiff.3ncrypt3d	Backup.exe
File renamed	C:\Users\Admin\Pictures\LimitUnregister.png => C:\Users\Admin\Pictures\LimitUnregister.png.3ncrypt3d	Backup.exe
File created	C:\Users\Admin\Pictures\PingGet.tif.3ncrypt3d_help	Backup.exe
File renamed	C:\Users\Admin\Pictures\PingGet.tif => C:\Users\Admin\Pictures\PingGet.tif.3ncrypt3d	Backup.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1320 takeown.exe
1052 icacls.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1428 cmd.exe

pid	process
1320	takeown.exe
1052	icacls.exe

pid	process
1428	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe

pid	process
1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe
1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe

Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1320 takeown.exe
1052 icacls.exe

pid	process
1320	takeown.exe
1052	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

Backup:binattrib.exe

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

2012 vssadmin.exe

pid	process
2012	vssadmin.exe

NTFS ADS 1 IoCs

Processes:

06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Backup:bin	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 596 vssvc.exe
Token: SeRestorePrivilege 596 vssvc.exe
Token: SeAuditPrivilege 596 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	596	vssvc.exe
Token: SeRestorePrivilege	596	vssvc.exe
Token: SeAuditPrivilege	596	vssvc.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exeBackup:binBackup.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1348 wrote to memory of 1296	1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe	Backup:bin
PID 1348 wrote to memory of 1296	1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe	Backup:bin
PID 1348 wrote to memory of 1296	1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe	Backup:bin
PID 1348 wrote to memory of 1296	1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe	Backup:bin
PID 1296 wrote to memory of 2012	1296	Backup:bin	vssadmin.exe
PID 1296 wrote to memory of 2012	1296	Backup:bin	vssadmin.exe
PID 1296 wrote to memory of 2012	1296	Backup:bin	vssadmin.exe
PID 1296 wrote to memory of 2012	1296	Backup:bin	vssadmin.exe
PID 1296 wrote to memory of 1320	1296	Backup:bin	takeown.exe
PID 1296 wrote to memory of 1320	1296	Backup:bin	takeown.exe
PID 1296 wrote to memory of 1320	1296	Backup:bin	takeown.exe
PID 1296 wrote to memory of 1320	1296	Backup:bin	takeown.exe
PID 1296 wrote to memory of 1052	1296	Backup:bin	icacls.exe
PID 1296 wrote to memory of 1052	1296	Backup:bin	icacls.exe
PID 1296 wrote to memory of 1052	1296	Backup:bin	icacls.exe
PID 1296 wrote to memory of 1052	1296	Backup:bin	icacls.exe
PID 832 wrote to memory of 1716	832	Backup.exe	cmd.exe
PID 832 wrote to memory of 1716	832	Backup.exe	cmd.exe
PID 832 wrote to memory of 1716	832	Backup.exe	cmd.exe
PID 832 wrote to memory of 1716	832	Backup.exe	cmd.exe
PID 1716 wrote to memory of 664	1716	cmd.exe	choice.exe
PID 1716 wrote to memory of 664	1716	cmd.exe	choice.exe
PID 1716 wrote to memory of 664	1716	cmd.exe	choice.exe
PID 1716 wrote to memory of 664	1716	cmd.exe	choice.exe
PID 1296 wrote to memory of 1496	1296	Backup:bin	cmd.exe
PID 1296 wrote to memory of 1496	1296	Backup:bin	cmd.exe
PID 1296 wrote to memory of 1496	1296	Backup:bin	cmd.exe
PID 1296 wrote to memory of 1496	1296	Backup:bin	cmd.exe
PID 1348 wrote to memory of 1428	1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe	cmd.exe
PID 1348 wrote to memory of 1428	1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe	cmd.exe
PID 1348 wrote to memory of 1428	1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe	cmd.exe
PID 1348 wrote to memory of 1428	1348	06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe	cmd.exe
PID 1496 wrote to memory of 1116	1496	cmd.exe	choice.exe
PID 1496 wrote to memory of 1116	1496	cmd.exe	choice.exe
PID 1496 wrote to memory of 1116	1496	cmd.exe	choice.exe
PID 1496 wrote to memory of 1116	1496	cmd.exe	choice.exe
PID 1428 wrote to memory of 912	1428	cmd.exe	choice.exe
PID 1428 wrote to memory of 912	1428	cmd.exe	choice.exe
PID 1428 wrote to memory of 912	1428	cmd.exe	choice.exe
PID 1428 wrote to memory of 912	1428	cmd.exe	choice.exe
PID 1716 wrote to memory of 1760	1716	cmd.exe	attrib.exe
PID 1716 wrote to memory of 1760	1716	cmd.exe	attrib.exe
PID 1716 wrote to memory of 1760	1716	cmd.exe	attrib.exe
PID 1716 wrote to memory of 1760	1716	cmd.exe	attrib.exe
PID 1496 wrote to memory of 1736	1496	cmd.exe	attrib.exe
PID 1496 wrote to memory of 1736	1496	cmd.exe	attrib.exe
PID 1496 wrote to memory of 1736	1496	cmd.exe	attrib.exe
PID 1496 wrote to memory of 1736	1496	cmd.exe	attrib.exe
PID 1428 wrote to memory of 204	1428	cmd.exe	attrib.exe
PID 1428 wrote to memory of 204	1428	cmd.exe	attrib.exe
PID 1428 wrote to memory of 204	1428	cmd.exe	attrib.exe
PID 1428 wrote to memory of 204	1428	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 3 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exeattrib.exe

pid process

1760 attrib.exe
204 attrib.exe
1736 attrib.exe

pid	process
1760	attrib.exe
204	attrib.exe
1736	attrib.exe

C:\Users\Admin\AppData\Local\Temp\06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe
"C:\Users\Admin\AppData\Local\Temp\06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1348

C:\Users\Admin\AppData\Roaming\Backup:bin
C:\Users\Admin\AppData\Roaming\Backup:bin -r
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1296

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
3⤵
- Interacts with shadow copies
PID:2012

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /F C:\Windows\system32\Backup.exe
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1320

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe C:\Windows\system32\Backup.exe /reset
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1052

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /d y /t 11 & attrib -h "C:\Users\Admin\AppData\Roaming\Backup" & del "C:\Users\Admin\AppData\Roaming\Backup"
3⤵
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\choice.exe
choice /d y /t 11
4⤵
PID:1116

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Backup"
4⤵
- Views/modifies file attributes
PID:1736

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /d y /t 11 & attrib -h "C:\Users\Admin\AppData\Local\Temp\06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe" & del "C:\Users\Admin\AppData\Local\Temp\06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1428

C:\Windows\SysWOW64\choice.exe
choice /d y /t 11
3⤵
PID:912

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21.sample.exe"
3⤵
- Views/modifies file attributes
PID:204

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:596

C:\Windows\SysWOW64\Backup.exe
C:\Windows\SysWOW64\Backup.exe -s
1⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SysWOW64\cmd.exe
cmd /c choice /d y /t 11 & attrib -h "C:\Windows\SysWOW64\Backup.exe" & del "C:\Windows\SysWOW64\Backup.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\choice.exe
choice /d y /t 11
3⤵
PID:664

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Windows\SysWOW64\Backup.exe"
3⤵
- Drops file in System32 directory
- Views/modifies file attributes
PID:1760

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

File Permissions Modification

1

T1222

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\Backup:bin
MD5
eb86699181894931833816e860ab279d

SHA1
e98d1319d2614debebeeabc26616d327950f699e

SHA256
06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21

SHA512
9b567fbca1cd9720c86bd848a49dc8aeda47104d06be7c4d7189a6a7ec6956c41ee5c40aac49f90067e7ab2e7b65078197b9f9d6c7a5e2c1c52b9ab971a6c714

Download Submit
C:\Users\Admin\AppData\Roaming\Backup:bin
MD5
eb86699181894931833816e860ab279d

SHA1
e98d1319d2614debebeeabc26616d327950f699e

SHA256
06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21

SHA512
9b567fbca1cd9720c86bd848a49dc8aeda47104d06be7c4d7189a6a7ec6956c41ee5c40aac49f90067e7ab2e7b65078197b9f9d6c7a5e2c1c52b9ab971a6c714

Download Submit
C:\Windows\SysWOW64\Backup.exe
MD5
eb86699181894931833816e860ab279d

SHA1
e98d1319d2614debebeeabc26616d327950f699e

SHA256
06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21

SHA512
9b567fbca1cd9720c86bd848a49dc8aeda47104d06be7c4d7189a6a7ec6956c41ee5c40aac49f90067e7ab2e7b65078197b9f9d6c7a5e2c1c52b9ab971a6c714

Download Submit
C:\Windows\SysWOW64\Backup.exe
MD5
eb86699181894931833816e860ab279d

SHA1
e98d1319d2614debebeeabc26616d327950f699e

SHA256
06e3e56153ca25cb9790495f0768e9b615e088f9241ac7f3b974f2e9cd97bd21

SHA512
9b567fbca1cd9720c86bd848a49dc8aeda47104d06be7c4d7189a6a7ec6956c41ee5c40aac49f90067e7ab2e7b65078197b9f9d6c7a5e2c1c52b9ab971a6c714

Download Submit
\Users\Admin\AppData\Roaming\Backup
MD5
5d50b14f63b60bf136b2c4bbe28305ae

SHA1
021a8fe424315ea6406351da97d722284046e556

SHA256
4fee3a3b37c56d317b277f0951a5dec3dd69db965e1af2f882670907e132139b

SHA512
aaa4b361f31af4eae723b73c906e2c074c2c3fd21aceecaf550a188ae35afb94d4d214d5917977b01a21628de513de3709ca43438756e034477afa1c9a347e8a

Download Submit
\Users\Admin\AppData\Roaming\Backup
MD5
5d50b14f63b60bf136b2c4bbe28305ae

SHA1
021a8fe424315ea6406351da97d722284046e556

SHA256
4fee3a3b37c56d317b277f0951a5dec3dd69db965e1af2f882670907e132139b

SHA512
aaa4b361f31af4eae723b73c906e2c074c2c3fd21aceecaf550a188ae35afb94d4d214d5917977b01a21628de513de3709ca43438756e034477afa1c9a347e8a

Download Submit
memory/204-81-0x0000000000000000-mapping.dmp

Download
memory/664-74-0x0000000000000000-mapping.dmp

Download
memory/912-78-0x0000000000000000-mapping.dmp

Download
memory/1052-70-0x0000000000000000-mapping.dmp

Download
memory/1116-77-0x0000000000000000-mapping.dmp

Download
memory/1296-63-0x0000000000000000-mapping.dmp

Download
memory/1320-68-0x0000000000000000-mapping.dmp

Download
memory/1348-60-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1428-76-0x0000000000000000-mapping.dmp

Download
memory/1496-75-0x0000000000000000-mapping.dmp

Download
memory/1716-73-0x0000000000000000-mapping.dmp

Download
memory/1736-80-0x0000000000000000-mapping.dmp

Download
memory/1760-79-0x0000000000000000-mapping.dmp

Download
memory/2012-66-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads