4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8

Analysis

max time kernel
136s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 12:36

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General

Target

4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe
Size

903KB
MD5

bd504733b77379626bb356fd406069d1
SHA1

da4fef844c151580301c38ee2482c02c34ec9a16
SHA256

4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8
SHA512

fe3a45c7a465bf785b0e350f087c6437a0b0822fb240af054344dc9a65a5ab87b681cde8b0b655a807f218e65b4b98ad6e6c3eb04b3ac0fdcef865e4ac0ce203
SSDEEP

12288:RhCXoQFpwZq9D4SMSgxTWVGyKGd8xJWqfoaouPHXU+V3oYb8jG3RVaHf:vCXowpwX1VWgy/WxJWA/XU+Yh//

Score

7^/10

discovery

Malware Config

Signatures

Checks QEMU agent file 2 TTPs 1 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe

Loads dropped DLL 1 IoCs

pid	Process
960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe

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 NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 960 set thread context of 1904	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	28

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe
960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 1496	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	27
PID 960 wrote to memory of 1496	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	27
PID 960 wrote to memory of 1496	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	27
PID 960 wrote to memory of 1496	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	27
PID 960 wrote to memory of 1904	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	28
PID 960 wrote to memory of 1904	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	28
PID 960 wrote to memory of 1904	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	28
PID 960 wrote to memory of 1904	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	28
PID 960 wrote to memory of 1904	960	4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe	28

C:\Users\Admin\AppData\Local\Temp\4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe
"C:\Users\Admin\AppData\Local\Temp\4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe"
1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Users\Admin\AppData\Local\Temp\4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe"
  2⤵
  PID:1496
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Users\Admin\AppData\Local\Temp\4a1b947afaed59ce4a4e59af800150201f2189cd850c5417e6a01a2eb65717e8.exe"
  2⤵
  PID:1904

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

\Users\Admin\AppData\Local\Temp\nso51.tmp\System.dll

Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

Download Submit
memory/960-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/960-56-0x0000000001F60000-0x0000000002061000-memory.dmp

Filesize
1.0MB

Download
memory/960-57-0x0000000001F60000-0x0000000002061000-memory.dmp

Filesize
1.0MB

Download
memory/960-60-0x0000000077790000-0x0000000077939000-memory.dmp

Filesize
1.7MB

Download
memory/960-61-0x0000000077970000-0x0000000077AF0000-memory.dmp

Filesize
1.5MB

Download
memory/960-64-0x0000000077970000-0x0000000077AF0000-memory.dmp

Filesize
1.5MB

Download
memory/1904-65-0x0000000000080000-0x0000000000180000-memory.dmp

Filesize
1024KB

Download