a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4

Analysis

max time kernel
154s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 09:39

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General

Target

a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe
Size

100KB
MD5

d525e1f53571b2db4398c10f6214fe85
SHA1

f0b91d9872f690f98fd3aa3c5f04bc9615053717
SHA256

a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4
SHA512

10f42f9b4b3d890a9ce05bd25becfe6ad6fdf3b3b8f06b7615b925528b3bf6212a4ddce5541207974d6c1bb53ecb538594f11714858ed62907c216f4ef47d75b
SSDEEP

3072:BRvC98Azr0DtarFOdicCGetaEVdZxvUAv:nvWatUFOdtTU

Score

7^/10

Malware Config

Signatures

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe

Loads dropped DLL 1 IoCs

pid	Process
3020	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\abc.dll	regsvr32.exe
File opened for modification	\??\c:\windows\SysWOW64\abc.dll	regsvr32.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 3020	952	a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe	79
PID 952 wrote to memory of 3020	952	a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe	79
PID 952 wrote to memory of 3020	952	a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe	79
PID 952 wrote to memory of 4476	952	a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe	80
PID 952 wrote to memory of 4476	952	a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe	80
PID 952 wrote to memory of 4476	952	a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe	80
PID 4476 wrote to memory of 4560	4476	cmd.exe	82
PID 4476 wrote to memory of 4560	4476	cmd.exe	82
PID 4476 wrote to memory of 4560	4476	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe
"C:\Users\Admin\AppData\Local\Temp\a951cd6c1ba85cfa31b957036e18b61528c2b9ac41b2872e51924d8dae5f6ef4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:952
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\system32\regsvr32.exe" /s C:\Users\Admin\AppData\Local\Temp\6F5.tmp
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:3020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\p288372250.cmd" >> NUL
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4476
- - C:\Windows\SysWOW64\chcp.com
    chcp 1251
    3⤵
    PID:4560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\6F5.tmp

Filesize
100KB

MD5
6f9ecb5fba0947b92dd51912802a8eea

SHA1
5de4eff20c8c1cdc15ad069093c882c004823a93

SHA256
74e79ebaf9db709ab6e0380f1ba78995e150dfe87337ac8221bba6b974cb53bf

SHA512
8c1ef5bbd3e99fc1f2eac1cb66b4d1ed56404d7c49b7c09a877bd2dce67f47de9958735957423de03273103700a1626b26e4b5c93d782cd87a300d07a230ef12

Download Submit
C:\Users\Admin\AppData\Local\Temp\6F5.tmp

Filesize
100KB

MD5
6f9ecb5fba0947b92dd51912802a8eea

SHA1
5de4eff20c8c1cdc15ad069093c882c004823a93

SHA256
74e79ebaf9db709ab6e0380f1ba78995e150dfe87337ac8221bba6b974cb53bf

SHA512
8c1ef5bbd3e99fc1f2eac1cb66b4d1ed56404d7c49b7c09a877bd2dce67f47de9958735957423de03273103700a1626b26e4b5c93d782cd87a300d07a230ef12

Download Submit
C:\Users\Admin\AppData\Local\Temp\p288372250.cmd

Filesize
320B

MD5
1abb8f997bf292e83315d13700da210e

SHA1
a718530af9e2ed4b27488fac454449fb0a865757

SHA256
788e9d165573a036611ba22ae59f4c6aaf1b76eff26a1d32508ff4e16a341981

SHA512
7c80e7de07c0c21d2acd842dca1e24f6036b8d2b0e43fe9280e115317e899c09182ce43630d4b75a4edfbe4c4c0db500fc60407040c856525429067e8a16e435

Download Submit
memory/952-136-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3020-132-0x0000000000000000-mapping.dmp

Download
memory/3020-139-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3020-140-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4476-135-0x0000000000000000-mapping.dmp

Download
memory/4560-138-0x0000000000000000-mapping.dmp

Download