611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47

Analysis

max time kernel
121s
max time network
125s
platform
windows10_x64
resource
win10-en-20211014
submitted
03/12/2021, 18:06

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General

Target
284b061036a1e367e41c00235d1b5e6f.exe
Size 280KB
Sample211203-wprnrscba4
SHA256 611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47
MD5 284b061036a1e367e41c00235d1b5e6f
SHA1 f6277c4d7a39427e7c86a3f9040729d6b17aff65
SHA512 21733f5d5953a07021536928842bce4be637235b7c1578fa0096c53a546614ecbc172f0e500fddf2611acd2dba94b13152fb1eff75efb0666342183c0f6627c6
MD5 SHA1 SHA512

Score

7^/10

spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Logs\Граббер\DRIVE-C\Users\Admin\Documents\desktop.ini	284b061036a1e367e41c00235d1b5e6f.exe
File created	C:\Users\Admin\AppData\Roaming\Logs\Граббер\DRIVE-C\Users\Admin\Desktop\desktop.ini	284b061036a1e367e41c00235d1b5e6f.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Logs\Граббер\DRIVE-C\Users\Admin\Desktop\desktop.ini	284b061036a1e367e41c00235d1b5e6f.exe
File created	C:\Users\Admin\AppData\Roaming\Logs\Граббер\DRIVE-C\Users\Admin\Downloads\desktop.ini	284b061036a1e367e41c00235d1b5e6f.exe
File created	C:\Users\Admin\AppData\Roaming\Logs\Граббер\DRIVE-C\Users\Admin\Pictures\desktop.ini	284b061036a1e367e41c00235d1b5e6f.exe
File created	C:\Users\Admin\AppData\Roaming\Logs\Граббер\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	284b061036a1e367e41c00235d1b5e6f.exe
File created	C:\Users\Admin\AppData\Roaming\Logs\Граббер\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	284b061036a1e367e41c00235d1b5e6f.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
22	icanhazip.com

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	284b061036a1e367e41c00235d1b5e6f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	284b061036a1e367e41c00235d1b5e6f.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe
2716	284b061036a1e367e41c00235d1b5e6f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	284b061036a1e367e41c00235d1b5e6f.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2948	2716	284b061036a1e367e41c00235d1b5e6f.exe	70
PID 2716 wrote to memory of 2948	2716	284b061036a1e367e41c00235d1b5e6f.exe	70
PID 2716 wrote to memory of 2948	2716	284b061036a1e367e41c00235d1b5e6f.exe	70
PID 2948 wrote to memory of 3804	2948	cmd.exe	72
PID 2948 wrote to memory of 3804	2948	cmd.exe	72
PID 2948 wrote to memory of 3804	2948	cmd.exe	72
PID 2948 wrote to memory of 3376	2948	cmd.exe	73
PID 2948 wrote to memory of 3376	2948	cmd.exe	73
PID 2948 wrote to memory of 3376	2948	cmd.exe	73
PID 2716 wrote to memory of 3916	2716	284b061036a1e367e41c00235d1b5e6f.exe	74
PID 2716 wrote to memory of 3916	2716	284b061036a1e367e41c00235d1b5e6f.exe	74
PID 2716 wrote to memory of 3916	2716	284b061036a1e367e41c00235d1b5e6f.exe	74
PID 2948 wrote to memory of 1580	2948	cmd.exe	75
PID 2948 wrote to memory of 1580	2948	cmd.exe	75
PID 2948 wrote to memory of 1580	2948	cmd.exe	75
PID 3916 wrote to memory of 1016	3916	cmd.exe	77
PID 3916 wrote to memory of 1016	3916	cmd.exe	77
PID 3916 wrote to memory of 1016	3916	cmd.exe	77
PID 3916 wrote to memory of 1156	3916	cmd.exe	78
PID 3916 wrote to memory of 1156	3916	cmd.exe	78
PID 3916 wrote to memory of 1156	3916	cmd.exe	78
PID 2716 wrote to memory of 2188	2716	284b061036a1e367e41c00235d1b5e6f.exe	79
PID 2716 wrote to memory of 2188	2716	284b061036a1e367e41c00235d1b5e6f.exe	79
PID 2716 wrote to memory of 2188	2716	284b061036a1e367e41c00235d1b5e6f.exe	79
PID 2188 wrote to memory of 2992	2188	cmd.exe	81
PID 2188 wrote to memory of 2992	2188	cmd.exe	81
PID 2188 wrote to memory of 2992	2188	cmd.exe	81
PID 2716 wrote to memory of 2292	2716	284b061036a1e367e41c00235d1b5e6f.exe	82
PID 2716 wrote to memory of 2292	2716	284b061036a1e367e41c00235d1b5e6f.exe	82
PID 2716 wrote to memory of 2292	2716	284b061036a1e367e41c00235d1b5e6f.exe	82
PID 2716 wrote to memory of 1488	2716	284b061036a1e367e41c00235d1b5e6f.exe	84
PID 2716 wrote to memory of 1488	2716	284b061036a1e367e41c00235d1b5e6f.exe	84
PID 2716 wrote to memory of 1488	2716	284b061036a1e367e41c00235d1b5e6f.exe	84
PID 1488 wrote to memory of 2984	1488	cmd.exe	87
PID 2292 wrote to memory of 2976	2292	cmd.exe	86
PID 2292 wrote to memory of 2976	2292	cmd.exe	86
PID 1488 wrote to memory of 2984	1488	cmd.exe	87
PID 1488 wrote to memory of 2984	1488	cmd.exe	87
PID 2292 wrote to memory of 2976	2292	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\284b061036a1e367e41c00235d1b5e6f.exe
"C:\Users\Admin\AppData\Local\Temp\284b061036a1e367e41c00235d1b5e6f.exe"
1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3804
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:3376
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:1580
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3916
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:1016
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:1156
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\BatchSelf.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2188
- - C:\Windows\SysWOW64\chcp.com
    chcp 1251
    3⤵
    PID:2992
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 0 &Del 284b061036a1e367e41c00235d1b5e6f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2292
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:2976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 1 &Del C:\Users\Admin\AppData\Local\Temp\284b061036a1e367e41c00235d1b5e6f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 1
    3⤵
    PID:2984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2716-115-0x00000000000E0000-0x00000000000E1000-memory.dmp

Download

memory/2716-120-0x0000000005EB0000-0x0000000005EB1000-memory.dmp

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memory/2716-126-0x0000000004870000-0x00000000048D6000-memory.dmp

Download

memory/2716-119-0x0000000005910000-0x0000000005911000-memory.dmp

Download

memory/2716-118-0x0000000004870000-0x00000000048D6000-memory.dmp

Download

memory/2716-117-0x00000000048E0000-0x00000000048E1000-memory.dmp

Download

memory/2716-129-0x0000000005C60000-0x0000000005C8A000-memory.dmp

Download