bf61054635df07cc063ce79384223d14e783bdbe6521f6a5eeb93c309c739d06

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-en-20211208
submitted
02/01/2022, 01:55

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General

Target
93d5989cccd8dfe241fc31d015feffb8.exe
Size 1002KB
Sample220102-cb55fsgegk
SHA256 bf61054635df07cc063ce79384223d14e783bdbe6521f6a5eeb93c309c739d06
MD5 93d5989cccd8dfe241fc31d015feffb8
SHA1 b33b11c36b6fffd41aaa864e57eaf4a3f78cb61d
SHA512 4eef2907711753391aa35a06d80a294e4d87174d47e63483b9890304a6583f13abfca38183e1979467926ff90f4b9f67fccffd26c028e7e063ee7d5e3920da41
MD5 SHA1 SHA512

Score

7^/10

discovery 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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 760 set thread context of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
780	RegAsm.exe
780	RegAsm.exe
780	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	780	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27
PID 760 wrote to memory of 780	760	93d5989cccd8dfe241fc31d015feffb8.exe	27

C:\Users\Admin\AppData\Local\Temp\93d5989cccd8dfe241fc31d015feffb8.exe
"C:\Users\Admin\AppData\Local\Temp\93d5989cccd8dfe241fc31d015feffb8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:760
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  #cmd
  2⤵
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:780

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/760-54-0x0000000001190000-0x000000000128E000-memory.dmp

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memory/760-55-0x0000000001190000-0x000000000128E000-memory.dmp

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memory/760-56-0x0000000004D30000-0x0000000004D31000-memory.dmp

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memory/780-57-0x00000000000D0000-0x00000000000F2000-memory.dmp

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memory/780-58-0x00000000000D0000-0x00000000000F2000-memory.dmp

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memory/780-59-0x00000000000D0000-0x00000000000F2000-memory.dmp

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memory/780-60-0x00000000000D0000-0x00000000000F2000-memory.dmp

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memory/780-63-0x00000000000D0000-0x00000000000F2000-memory.dmp

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memory/780-66-0x00000000000D0000-0x00000000000F2000-memory.dmp

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memory/780-69-0x00000000000D0000-0x00000000000F2000-memory.dmp

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memory/780-70-0x0000000075D61000-0x0000000075D63000-memory.dmp

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memory/780-71-0x00000000000D0000-0x00000000000F2000-memory.dmp

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memory/780-72-0x00000000000D0000-0x00000000000F2000-memory.dmp

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memory/780-73-0x0000000004B50000-0x0000000004B51000-memory.dmp

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