cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4

Analysis

max time kernel
150s
max time network
144s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:07

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General

Target

cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe
Size

196KB
MD5

f531e94c0ad82f7260a1b18e7e697630
SHA1

e5df0b88b9aea89c6b60a70ec45901115126859f
SHA256

cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4
SHA512

6fc706d24fa71f51994a0d38d3fb9a624e4c4f0b868d0dae266cbe1756de9455ac1a659099fbb6a121497cacbdef6e0617b4cb19d20c5f84bd778065b8b3a428
SSDEEP

6144:9LGxr3oNE65fYG/YAqfZAiKB1MAmVEM9xQ:9m3oN5f9qhK7jAEMk

Score

8^/10

evasion persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

winlogons.exewinlogons.exe

pid process

1728 winlogons.exe
520 winlogons.exe
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

652 attrib.exe

pid	process
1728	winlogons.exe
520	winlogons.exe

pid	process
652	attrib.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1408-67-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/1408-69-0x0000000000400000-0x0000000000425000-memory.dmp	upx

Loads dropped DLL 6 IoCs

Processes:

cmd.exewinlogons.exewinlogons.exe

pid process

1148 cmd.exe
1728 winlogons.exe
1728 winlogons.exe
1728 winlogons.exe
520 winlogons.exe
520 winlogons.exe

pid	process
1148	cmd.exe
1728	winlogons.exe
1728	winlogons.exe
1728	winlogons.exe
520	winlogons.exe
520	winlogons.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winlogons.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ar = "C:\\Drivers\\scsi\\winlogons.exe "	winlogons.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

winlogons.exe

pid process

1728 winlogons.exe

pid	process
1728	winlogons.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe

description	pid	process
Token: SeRestorePrivilege	1408	cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe
Token: SeBackupPrivilege	1408	cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.execmd.exewinlogons.exe

description	pid	process	target process
PID 1408 wrote to memory of 1148	1408	cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe	cmd.exe
PID 1408 wrote to memory of 1148	1408	cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe	cmd.exe
PID 1408 wrote to memory of 1148	1408	cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe	cmd.exe
PID 1408 wrote to memory of 1148	1408	cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe	cmd.exe
PID 1408 wrote to memory of 1148	1408	cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe	cmd.exe
PID 1408 wrote to memory of 1148	1408	cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe	cmd.exe
PID 1408 wrote to memory of 1148	1408	cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe	cmd.exe
PID 1148 wrote to memory of 1728	1148	cmd.exe	winlogons.exe
PID 1148 wrote to memory of 1728	1148	cmd.exe	winlogons.exe
PID 1148 wrote to memory of 1728	1148	cmd.exe	winlogons.exe
PID 1148 wrote to memory of 1728	1148	cmd.exe	winlogons.exe
PID 1148 wrote to memory of 1728	1148	cmd.exe	winlogons.exe
PID 1148 wrote to memory of 1728	1148	cmd.exe	winlogons.exe
PID 1148 wrote to memory of 1728	1148	cmd.exe	winlogons.exe
PID 1148 wrote to memory of 652	1148	cmd.exe	attrib.exe
PID 1148 wrote to memory of 652	1148	cmd.exe	attrib.exe
PID 1148 wrote to memory of 652	1148	cmd.exe	attrib.exe
PID 1148 wrote to memory of 652	1148	cmd.exe	attrib.exe
PID 1148 wrote to memory of 652	1148	cmd.exe	attrib.exe
PID 1148 wrote to memory of 652	1148	cmd.exe	attrib.exe
PID 1148 wrote to memory of 652	1148	cmd.exe	attrib.exe
PID 1728 wrote to memory of 520	1728	winlogons.exe	winlogons.exe
PID 1728 wrote to memory of 520	1728	winlogons.exe	winlogons.exe
PID 1728 wrote to memory of 520	1728	winlogons.exe	winlogons.exe
PID 1728 wrote to memory of 520	1728	winlogons.exe	winlogons.exe
PID 1728 wrote to memory of 520	1728	winlogons.exe	winlogons.exe
PID 1728 wrote to memory of 520	1728	winlogons.exe	winlogons.exe
PID 1728 wrote to memory of 520	1728	winlogons.exe	winlogons.exe
PID 1728 wrote to memory of 1732	1728	winlogons.exe	cmd.exe
PID 1728 wrote to memory of 1732	1728	winlogons.exe	cmd.exe
PID 1728 wrote to memory of 1732	1728	winlogons.exe	cmd.exe
PID 1728 wrote to memory of 1732	1728	winlogons.exe	cmd.exe
PID 1728 wrote to memory of 1732	1728	winlogons.exe	cmd.exe
PID 1728 wrote to memory of 1732	1728	winlogons.exe	cmd.exe
PID 1728 wrote to memory of 1732	1728	winlogons.exe	cmd.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

652 attrib.exe

pid	process
652	attrib.exe

C:\Users\Admin\AppData\Local\Temp\cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe
"C:\Users\Admin\AppData\Local\Temp\cc039bb48f6acf21e04296300ec4080b48ec077d79e76dcd4fe7171ff9a294f4.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Drivers\Scsi\sys.bat" "
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1148

C:\Drivers\scsi\winlogons.exe
C:\Drivers\scsi\winlogons.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1728

C:\Drivers\scsi\winlogons.exe
C:\Drivers\scsi\winlogons.exe
4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:520

C:\Windows\SysWOW64\cmd.exe
cmd.exe
4⤵
PID:1732

C:\Windows\SysWOW64\attrib.exe
attrib +s +h C:\Drivers
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Drivers\Scsi\sys.bat

Filesize
79B

MD5
d8b115523ba4129595be2f4af8c919ff

SHA1
d725acb78a8a576527ae3e9620c31122bd8f9554

SHA256
20b624b6596ccd034738676a0a347f45b52aca968b739fe98d14bdfc4317de8b

SHA512
6806be44be348c1b13ce8934bc61d1cdaf168df8afab2ddb60e36383380bb39ffbbfbb08171b0128e811558866b4c83961181f91a0b1f70565c1ae66b4ad7e26

Download Submit
C:\Drivers\Scsi\winlogons.exe

Filesize
289KB

MD5
34fc62a2598738b1e46bb3854ed859d2

SHA1
c9fd5dd8718d37b26e4b4032c6b80ea45841f0c4

SHA256
e8bed9f64e4ae4d7b5d709d6210c0c86e033abebcf7f95d1077dcaca54549a32

SHA512
5a98a763cd7d1a060af52efecd4780e99e5de33f3ccf955b2f6d41c051b7a39650ceba3b3bd8f8209d4a24d6d1afbad27baf35a548311ee9c079ae3838ba8d16

Download Submit
C:\Drivers\Scsi\winlogons.exe

Filesize
289KB

MD5
34fc62a2598738b1e46bb3854ed859d2

SHA1
c9fd5dd8718d37b26e4b4032c6b80ea45841f0c4

SHA256
e8bed9f64e4ae4d7b5d709d6210c0c86e033abebcf7f95d1077dcaca54549a32

SHA512
5a98a763cd7d1a060af52efecd4780e99e5de33f3ccf955b2f6d41c051b7a39650ceba3b3bd8f8209d4a24d6d1afbad27baf35a548311ee9c079ae3838ba8d16

Download Submit
C:\Drivers\scsi\winlogons.exe

Filesize
289KB

MD5
34fc62a2598738b1e46bb3854ed859d2

SHA1
c9fd5dd8718d37b26e4b4032c6b80ea45841f0c4

SHA256
e8bed9f64e4ae4d7b5d709d6210c0c86e033abebcf7f95d1077dcaca54549a32

SHA512
5a98a763cd7d1a060af52efecd4780e99e5de33f3ccf955b2f6d41c051b7a39650ceba3b3bd8f8209d4a24d6d1afbad27baf35a548311ee9c079ae3838ba8d16

Download Submit
\Drivers\Scsi\winlogons.exe

Filesize
289KB

MD5
34fc62a2598738b1e46bb3854ed859d2

SHA1
c9fd5dd8718d37b26e4b4032c6b80ea45841f0c4

SHA256
e8bed9f64e4ae4d7b5d709d6210c0c86e033abebcf7f95d1077dcaca54549a32

SHA512
5a98a763cd7d1a060af52efecd4780e99e5de33f3ccf955b2f6d41c051b7a39650ceba3b3bd8f8209d4a24d6d1afbad27baf35a548311ee9c079ae3838ba8d16

Download Submit
\Drivers\Scsi\winlogons.exe

Filesize
289KB

MD5
34fc62a2598738b1e46bb3854ed859d2

SHA1
c9fd5dd8718d37b26e4b4032c6b80ea45841f0c4

SHA256
e8bed9f64e4ae4d7b5d709d6210c0c86e033abebcf7f95d1077dcaca54549a32

SHA512
5a98a763cd7d1a060af52efecd4780e99e5de33f3ccf955b2f6d41c051b7a39650ceba3b3bd8f8209d4a24d6d1afbad27baf35a548311ee9c079ae3838ba8d16

Download Submit
\Drivers\Scsi\winlogons.exe

Filesize
289KB

MD5
34fc62a2598738b1e46bb3854ed859d2

SHA1
c9fd5dd8718d37b26e4b4032c6b80ea45841f0c4

SHA256
e8bed9f64e4ae4d7b5d709d6210c0c86e033abebcf7f95d1077dcaca54549a32

SHA512
5a98a763cd7d1a060af52efecd4780e99e5de33f3ccf955b2f6d41c051b7a39650ceba3b3bd8f8209d4a24d6d1afbad27baf35a548311ee9c079ae3838ba8d16

Download Submit
\Drivers\Scsi\winlogons.exe

Filesize
289KB

MD5
34fc62a2598738b1e46bb3854ed859d2

SHA1
c9fd5dd8718d37b26e4b4032c6b80ea45841f0c4

SHA256
e8bed9f64e4ae4d7b5d709d6210c0c86e033abebcf7f95d1077dcaca54549a32

SHA512
5a98a763cd7d1a060af52efecd4780e99e5de33f3ccf955b2f6d41c051b7a39650ceba3b3bd8f8209d4a24d6d1afbad27baf35a548311ee9c079ae3838ba8d16

Download Submit
\Drivers\Scsi\winlogons.exe

Filesize
289KB

MD5
34fc62a2598738b1e46bb3854ed859d2

SHA1
c9fd5dd8718d37b26e4b4032c6b80ea45841f0c4

SHA256
e8bed9f64e4ae4d7b5d709d6210c0c86e033abebcf7f95d1077dcaca54549a32

SHA512
5a98a763cd7d1a060af52efecd4780e99e5de33f3ccf955b2f6d41c051b7a39650ceba3b3bd8f8209d4a24d6d1afbad27baf35a548311ee9c079ae3838ba8d16

Download Submit
\Drivers\Scsi\winlogons.exe

Filesize
289KB

MD5
34fc62a2598738b1e46bb3854ed859d2

SHA1
c9fd5dd8718d37b26e4b4032c6b80ea45841f0c4

SHA256
e8bed9f64e4ae4d7b5d709d6210c0c86e033abebcf7f95d1077dcaca54549a32

SHA512
5a98a763cd7d1a060af52efecd4780e99e5de33f3ccf955b2f6d41c051b7a39650ceba3b3bd8f8209d4a24d6d1afbad27baf35a548311ee9c079ae3838ba8d16

Download Submit
memory/520-72-0x0000000000000000-mapping.dmp

Download
memory/652-65-0x0000000000000000-mapping.dmp

Download
memory/1148-55-0x0000000000000000-mapping.dmp

Download
memory/1408-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1408-69-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1408-70-0x00000000001D0000-0x00000000001DD000-memory.dmp

Filesize
52KB

Download
memory/1408-68-0x00000000001D0000-0x00000000001F5000-memory.dmp

Filesize
148KB

Download
memory/1408-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1728-60-0x0000000000000000-mapping.dmp

Download
memory/1732-77-0x0000000000000000-mapping.dmp

Download