a310logger | c8d68c59e8f4cf194e50766e00d0fa72bba828a43ce4405fc195e3d27d9e4b6f

General

Target

9088890000.exe
Size

383KB
MD5

df3de39ce7d9c7c7cb1fca65ef4fb6d3
SHA1

f8dfffbf857a583f4d24cddbf741120a080cef71
SHA256

c8d68c59e8f4cf194e50766e00d0fa72bba828a43ce4405fc195e3d27d9e4b6f
SHA512

85a88ef177f795e9694a988ffda710d97a7037ec2e7ed16c6c7f01476acae564baa6994804d057a440a98ab9563a098f80dc4b2e77cf5d69adfaa466ed5d22bc

Score

10^/10

a310logger stormkitty spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1344-57-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/1344-58-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 5 IoCs

resource	yara_rule
behavioral1/memory/1344-57-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/1344-58-0x0000000000412452-mapping.dmp	a310logger
behavioral1/files/0x0002000000012f12-63.dat	a310logger
behavioral1/files/0x0002000000012f12-65.dat	a310logger
behavioral1/files/0x0002000000012f12-66.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
824	MZ.exe

Loads dropped DLL 1 IoCs

pid	Process
1344	InstallUtil.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 1676	1868	9088890000.exe	28
PID 1676 set thread context of 1344	1676	9088890000.exe	29

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	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
824	MZ.exe
824	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1676	9088890000.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1868	9088890000.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	824	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1676	9088890000.exe
1676	9088890000.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 1676	1868	9088890000.exe	28
PID 1868 wrote to memory of 1676	1868	9088890000.exe	28
PID 1868 wrote to memory of 1676	1868	9088890000.exe	28
PID 1868 wrote to memory of 1676	1868	9088890000.exe	28
PID 1868 wrote to memory of 1676	1868	9088890000.exe	28
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1676 wrote to memory of 1344	1676	9088890000.exe	29
PID 1344 wrote to memory of 824	1344	InstallUtil.exe	34
PID 1344 wrote to memory of 824	1344	InstallUtil.exe	34
PID 1344 wrote to memory of 824	1344	InstallUtil.exe	34
PID 1344 wrote to memory of 824	1344	InstallUtil.exe	34

C:\Users\Admin\AppData\Local\Temp\9088890000.exe
"C:\Users\Admin\AppData\Local\Temp\9088890000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Users\Admin\AppData\Local\Temp\9088890000.exe
  "C:\Users\Admin\AppData\Local\Temp\9088890000.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:1344
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/824-67-0x0000000002040000-0x0000000002042000-memory.dmp

Filesize
8KB

Download
memory/1344-57-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1344-62-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

Filesize
4KB

Download
memory/1676-56-0x00000000766B1000-0x00000000766B3000-memory.dmp

Filesize
8KB

Download
memory/1676-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1868-60-0x00000000002A0000-0x00000000002A2000-memory.dmp

Filesize
8KB

Download

Analysis

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