1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7

Analysis

max time kernel
134s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
08/06/2022, 04:26

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General

Target
1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
Size 1.2MB
Sample220608-e2sm6ahbel
SHA256 1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7
MD5 2475fda58a0ac4c571deb76001a6d81d
SHA1 f1a74f6500a64bcc2ae2a5c15d59bd96f43dd115
SHA512 65e9e5d482ed5d4d68284756639265a7802f455238f9e750175ba43b5f9ba404122cc840c10da94c9416a6c4bd2ecb1da8722ba456a6bca5365bd4d9c659f940
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2916	svhost.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
23	bot.whatismyipaddress.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1528 set thread context of 2916	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	87

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
File created	C:\Windows\assembly\Desktop.ini	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.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 14 IoCs

pid	Process
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 1764	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	84
PID 1528 wrote to memory of 1764	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	84
PID 1528 wrote to memory of 1764	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	84
PID 1764 wrote to memory of 1936	1764	cmd.exe	86
PID 1764 wrote to memory of 1936	1764	cmd.exe	86
PID 1764 wrote to memory of 1936	1764	cmd.exe	86
PID 1528 wrote to memory of 2916	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	87
PID 1528 wrote to memory of 2916	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	87
PID 1528 wrote to memory of 2916	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	87
PID 1528 wrote to memory of 2916	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	87
PID 1528 wrote to memory of 2916	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	87
PID 1528 wrote to memory of 2916	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	87
PID 1528 wrote to memory of 2916	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	87
PID 1528 wrote to memory of 2916	1528	1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe	87

C:\Users\Admin\AppData\Local\Temp\1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe
"C:\Users\Admin\AppData\Local\Temp\1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\MATERIAL DRAWING.exe.lnk" /f
    3⤵
    PID:1936
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  PID:2916

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

MATERIAL DRAWING.exe

Path C:\Users\Admin\AppData\Local\Temp\FolderN\MATERIAL DRAWING.exe
Size 1.2MB
SHA256 1a13578cce30300c8468be6adaf29fba9282e3267555a26876bedbb4695bd6f7
MD5 2475fda58a0ac4c571deb76001a6d81d
SHA1 f1a74f6500a64bcc2ae2a5c15d59bd96f43dd115
SHA512 65e9e5d482ed5d4d68284756639265a7802f455238f9e750175ba43b5f9ba404122cc840c10da94c9416a6c4bd2ecb1da8722ba456a6bca5365bd4d9c659f940
SSDEEP 12288:ZMLCgZ95eakgIRzqUW5IIGmiuXXL0aVqbWZTViOMyVydexn:yxqvvRz1aI1i70UIWHiOMuL
MD5 SHA1 SHA512 SSDEEP

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svhost.exe

Path C:\Users\Admin\AppData\Local\Temp\svhost.exe
Size 89KB
SHA256 331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3
MD5 84c42d0f2c1ae761bef884638bc1eacd
SHA1 4353881e7f4e9c7610f4e0489183b55bb58bb574
SHA512 43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87
SSDEEP 1536:H96ZJwk1oO+huJs4HN0Auo7G+DKSOanlgVO3GGLJ:IMFCHV1G+DKSOanlEud
MD5 SHA1 SHA512 SSDEEP

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svhost.exe

Path C:\Users\Admin\AppData\Local\Temp\svhost.exe
Size 89KB
SHA256 331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3
MD5 84c42d0f2c1ae761bef884638bc1eacd
SHA1 4353881e7f4e9c7610f4e0489183b55bb58bb574
SHA512 43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87
SSDEEP 1536:H96ZJwk1oO+huJs4HN0Auo7G+DKSOanlgVO3GGLJ:IMFCHV1G+DKSOanlEud
MD5 SHA1 SHA512 SSDEEP

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memory/1528-130-0x00000000747B0000-0x0000000074D61000-memory.dmp

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memory/1528-131-0x00000000747B0000-0x0000000074D61000-memory.dmp

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memory/1528-140-0x00000000747B0000-0x0000000074D61000-memory.dmp

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memory/2916-139-0x00000000747B0000-0x0000000074D61000-memory.dmp

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memory/2916-141-0x00000000747B0000-0x0000000074D61000-memory.dmp

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memory/2916-142-0x00000000747B0000-0x0000000074D61000-memory.dmp

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