154d12ad7038f0eb13f1824608f0786694daf0fead74ca9f24b333d1744c822d

Analysis

max time kernel
28s
max time network
134s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
23/03/2023, 11:02

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General

Target

impvqfag - Copy.exe
Size

168KB
MD5

967461d7eaa06cceada0df6b90dc2248
SHA1

9b0f168f38e990dade84905f8b294e0c83a1a93f
SHA256

d6d03b39851da54f93d35a89fa243ebc01b45b6f7ed5590605d64bda89fd293d
SHA512

117873b1ca7cf78f4579611f16bc5479b12a63acfec99bd3021b67de5336254337f7c9e5f8fc202dc26109ca2dd3f1e689d15e989662a5cf1dac45d1322aafff
SSDEEP

3072:KDBXmfDngnSzsevIJqg5IOQI0HQFdWjhf7ybH0WRgg/:EXmfDgbGg5IOQIAhTybDgg

Score

7^/10

spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1168	cmd.exe

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
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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	impvqfag - Copy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	impvqfag - Copy.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1328	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2000	impvqfag - Copy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	impvqfag - Copy.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1168	2000	impvqfag - Copy.exe	30
PID 2000 wrote to memory of 1168	2000	impvqfag - Copy.exe	30
PID 2000 wrote to memory of 1168	2000	impvqfag - Copy.exe	30
PID 2000 wrote to memory of 1168	2000	impvqfag - Copy.exe	30
PID 1168 wrote to memory of 1328	1168	cmd.exe	32
PID 1168 wrote to memory of 1328	1168	cmd.exe	32
PID 1168 wrote to memory of 1328	1168	cmd.exe	32
PID 1168 wrote to memory of 1328	1168	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\impvqfag - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\impvqfag - Copy.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /C timeout 5 & del "C:\Users\Admin\AppData\Local\Temp\impvqfag - Copy.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\SysWOW64\timeout.exe
    timeout 5
    3⤵
    - Delays execution with timeout.exe
    PID:1328

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

Replay Monitor

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Downloads

memory/2000-54-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

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