3e458be66bcf00d7be180728e6b4abda715cadd1788dbcdbeda322d64b47e999

Analysis

max time kernel
26s
max time network
19s
platform
windows7_x64
resource
win7v20210408
submitted
27-07-2021 21:27

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General

Target

mixazed_20210727-132631(1).exe
Size

587KB
MD5

245892804c29606229b19495b5821203
SHA1

9cba70fd93c62a836473acec047a5e564eb20279
SHA256

6e42f1d40f5b6081f5fcf108855ea6d41ff66f2d2f29a0116d8bef13511a2d0c
SHA512

382d29e1031c1681bc68198bad432698daea1bc46a43a599f19c43bbbb42566c3109b74f4fc4b234ff82d8ecf856ef4907d3dca40f53357f827d475b7d79b8b8

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
1688	cmd.exe

Loads dropped DLL 7 IoCs

pid	Process
540	mixazed_20210727-132631(1).exe
540	mixazed_20210727-132631(1).exe
540	mixazed_20210727-132631(1).exe
540	mixazed_20210727-132631(1).exe
540	mixazed_20210727-132631(1).exe
540	mixazed_20210727-132631(1).exe
540	mixazed_20210727-132631(1).exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
388	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	mixazed_20210727-132631(1).exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	mixazed_20210727-132631(1).exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1688	540	mixazed_20210727-132631(1).exe	30
PID 540 wrote to memory of 1688	540	mixazed_20210727-132631(1).exe	30
PID 540 wrote to memory of 1688	540	mixazed_20210727-132631(1).exe	30
PID 540 wrote to memory of 1688	540	mixazed_20210727-132631(1).exe	30
PID 1688 wrote to memory of 388	1688	cmd.exe	32
PID 1688 wrote to memory of 388	1688	cmd.exe	32
PID 1688 wrote to memory of 388	1688	cmd.exe	32
PID 1688 wrote to memory of 388	1688	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\mixazed_20210727-132631(1).exe
"C:\Users\Admin\AppData\Local\Temp\mixazed_20210727-132631(1).exe"
1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\mixazed_20210727-132631(1).exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\timeout.exe
    timeout /T 10 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/540-60-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download
memory/540-61-0x00000000002E0000-0x0000000000373000-memory.dmp

Filesize
588KB

Download
memory/540-62-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download