marsstealer | 604cae9fe195ccb620aab57009c651fee79b647e8bcfd4691c7fbbd7c49a9026

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2023, 04:16

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General

Target
INV 34897003.pif.exe
Size 234KB
Sample231018-evs1cabb3s
SHA256 604cae9fe195ccb620aab57009c651fee79b647e8bcfd4691c7fbbd7c49a9026
MD5 2c6d8ac1ff3fa0c4cca04838568c089e
SHA1 3504b5515aa8db7cf973d38db39fa428a11c3f17
SHA512 64a98d67b3f45980e9c4b9d503291da4fd7060c0e1c58d5715a6532f388720094cda4deb34c7b4a5650af36844580efbfef885ec66439d297f2754ea3c24364c
SSDEEP 3072:GCspRnsUMWHLIM+Y4Ul89XfglWy6sN1OKkzJI7lrnETFUoTQiLOZ1Kn59:DsnQu4Ue9PZsrbiJu7EhlxOZ1m
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

marsstealer default discovery spyware stealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

pushpointdelivery.com/gate.php

Signatures

Mars Stealer
An infostealer written in C++ based on other infostealers.
stealer marsstealer

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	INV 34897003.pif.exe

Loads dropped DLL 2 IoCs

pid	Process
1996	INV 34897003.pif.exe
1996	INV 34897003.pif.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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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	INV 34897003.pif.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	INV 34897003.pif.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4980	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 4848	1996	INV 34897003.pif.exe	92
PID 1996 wrote to memory of 4848	1996	INV 34897003.pif.exe	92
PID 1996 wrote to memory of 4848	1996	INV 34897003.pif.exe	92
PID 4848 wrote to memory of 4980	4848	cmd.exe	94
PID 4848 wrote to memory of 4980	4848	cmd.exe	94
PID 4848 wrote to memory of 4980	4848	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\INV 34897003.pif.exe
"C:\Users\Admin\AppData\Local\Temp\INV 34897003.pif.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\INV 34897003.pif.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:4980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 133KB
SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
MD5 8f73c08a9660691143661bf7332c3c27
SHA1 37fa65dd737c50fda710fdbde89e51374d0c204a
SHA512 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
SSDEEP 3072:7Gyzk/x2Wp53pUzPoNpj/kVghp1qt/dXDyp4D2JJJvPhrSeTuk:6yQ2Wp53iO/kVghp12/dXDyyD2JJJvPR
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 1.2MB
SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
MD5 bfac4e3c5908856ba17d41edcd455a51
SHA1 8eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA512 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
SSDEEP 24576:Sb5zzlswYNYLVJAwfpeYQ1Dw/fEE8DhSJVIVfRyAkgO6S/V/jbHpls4MSRSMxkoo:4zW5ygDwnEZIYkjgWjblMSRSMqH
MD5 SHA1 SHA512 SSDEEP

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memory/1996-0-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1996-1-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1996-4-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1996-5-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1996-6-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1996-9-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1996-10-0x0000000060900000-0x0000000060992000-memory.dmp

Download

memory/1996-75-0x0000000000400000-0x000000000047B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads