c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263

General

Target
c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe
Size 1.1MB
Sample221122-wn87esfg21
SHA256 c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263
MD5 021a13774b99f177e1d116f35d66d072
SHA1 7e595ccf9a3065716fb6f823c671f5b02f51ec9f
SHA512 95740c50b706467585d1aac1d77cc4500b06ccb246ea70732832ac1b662f74f2c26b144ca31a7669274baa5cf86ec2be459be33292b046b93bca1bcf229f8d67
SSDEEP 24576:i9tPcyQIwPactceMZ+uzHEtb4dVSI/xSEOTfVi:iHPcy3wPaWceMou7Et8VSI/U9di
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe"	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	wscript.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 2 IoCs

pid	Process
5004	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe
5004	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5004	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 636	5004	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe	81
PID 5004 wrote to memory of 636	5004	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe	81
PID 5004 wrote to memory of 636	5004	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe	81
PID 5004 wrote to memory of 448	5004	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe	84
PID 5004 wrote to memory of 448	5004	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe	84
PID 5004 wrote to memory of 448	5004	c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe	84
PID 636 wrote to memory of 2724	636	cmd.exe	83
PID 636 wrote to memory of 2724	636	cmd.exe	83
PID 636 wrote to memory of 2724	636	cmd.exe	83
PID 2724 wrote to memory of 2720	2724	wscript.exe	86
PID 2724 wrote to memory of 2720	2724	wscript.exe	86
PID 2724 wrote to memory of 2720	2724	wscript.exe	86

C:\Users\Admin\AppData\Local\Temp\c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe
"C:\Users\Admin\AppData\Local\Temp\c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\mata.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:636
- - C:\Windows\SysWOW64\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\mata2.bat
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
      4⤵
      PID:2720
- C:\Users\Admin\AppData\Local\Temp\notepad .exe
  "C:\Users\Admin\AppData\Local\Temp\notepad .exe"
  2⤵
  PID:448

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

file.exe

Path C:\Users\Admin\AppData\Local\Temp\file.exe
Size 1.1MB
SHA256 c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263
MD5 021a13774b99f177e1d116f35d66d072
SHA1 7e595ccf9a3065716fb6f823c671f5b02f51ec9f
SHA512 95740c50b706467585d1aac1d77cc4500b06ccb246ea70732832ac1b662f74f2c26b144ca31a7669274baa5cf86ec2be459be33292b046b93bca1bcf229f8d67
SSDEEP 24576:i9tPcyQIwPactceMZ+uzHEtb4dVSI/xSEOTfVi:iHPcy3wPaWceMou7Et8VSI/U9di
MD5 SHA1 SHA512 SSDEEP

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invs.vbs

Path C:\Users\Admin\AppData\Local\Temp\invs.vbs
Size 78B
SHA256 20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2
MD5 c578d9653b22800c3eb6b6a51219bbb8
SHA1 a97aa251901bbe179a48dbc7a0c1872e163b1f2d
SHA512 3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d
MD5 SHA1 SHA512

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mata.bat

Path C:\Users\Admin\AppData\Local\Temp\mata.bat
Size 47B
SHA256 6bcc0e04d9bc32209d90a65c320dc6363e523dd94b38b17bcdc5b980b6405f53
MD5 58c538a6ae20a3c6031217903cdf8e5d
SHA1 399fd50eadf4945b665877facfc4f53d16e18b1e
SHA512 c01828a5390fec3443e19d317137ae873de77c7737db7802650430e6a0a1edbd3aabe362903243b372536418fbd8482c2a6efd122d853744a41ade567956c359
MD5 SHA1 SHA512

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mata2.bat

Path C:\Users\Admin\AppData\Local\Temp\mata2.bat
Size 47B
SHA256 22b182644ab28f5e9e17b5a03ba404d09b02da367146b80484584adc842a3ed1
MD5 095b2908ae8b2e0e3704c0163f26e283
SHA1 3429b6c1421d448c98c1da9625badcea2484a521
SHA512 e22e379b4f0d8e11fa7c29c3297a3e24a533fb08895d18e9bb27e8cab84da1dd52ff437aca90c5c32a9bdb578b3c1bfb3ff42d3bc2c5951ffeb5941c8286c731
MD5 SHA1 SHA512

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rundll11-.txt

Path C:\Users\Admin\AppData\Local\Temp\rundll11-.txt
Size 1.1MB
SHA256 c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263
MD5 021a13774b99f177e1d116f35d66d072
SHA1 7e595ccf9a3065716fb6f823c671f5b02f51ec9f
SHA512 95740c50b706467585d1aac1d77cc4500b06ccb246ea70732832ac1b662f74f2c26b144ca31a7669274baa5cf86ec2be459be33292b046b93bca1bcf229f8d67
SSDEEP 24576:i9tPcyQIwPactceMZ+uzHEtb4dVSI/xSEOTfVi:iHPcy3wPaWceMou7Et8VSI/U9di
MD5 SHA1 SHA512 SSDEEP

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memory/5004-132-0x0000000074770000-0x0000000074D21000-memory.dmp

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memory/5004-141-0x0000000074770000-0x0000000074D21000-memory.dmp

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memory/5004-143-0x0000000074770000-0x0000000074D21000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads