a310logger | 455517009fdfd87789fdfec23ccb1b00ac85f5b3bcc47430f4709ddab4073fba

General

Target

409000005400.exe
Size

353KB
MD5

37bebc90630b20c8d9142cfde16c568c
SHA1

60af71fb691b4ab299526a26637f823f7ced3450
SHA256

455517009fdfd87789fdfec23ccb1b00ac85f5b3bcc47430f4709ddab4073fba
SHA512

934f8dfb26f8b5e18e66896880154007191add8b2379668cb1d371e0acec5b81e20c0939bfe454efeb9cd1f61d4b22cf97a656a48e561583c08e9a911af9d521

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/1736-66-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral1/memory/1736-65-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty

A310logger Executable 5 IoCs

resource	yara_rule
behavioral1/memory/1736-66-0x0000000000412452-mapping.dmp	a310logger
behavioral1/memory/1736-65-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/files/0x00030000000130e2-70.dat	a310logger
behavioral1/files/0x00030000000130e2-72.dat	a310logger
behavioral1/files/0x00030000000130e2-73.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
1744	MZ.exe

Loads dropped DLL 2 IoCs

pid	Process
1160	409000005400.exe
1736	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
5	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 1160 set thread context of 1968	1160	409000005400.exe	26
PID 1968 set thread context of 1736	1968	409000005400.exe	27

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
1744	MZ.exe
1744	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1968	409000005400.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1160	409000005400.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1968	409000005400.exe
1968	409000005400.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 1968	1160	409000005400.exe	26
PID 1160 wrote to memory of 1968	1160	409000005400.exe	26
PID 1160 wrote to memory of 1968	1160	409000005400.exe	26
PID 1160 wrote to memory of 1968	1160	409000005400.exe	26
PID 1160 wrote to memory of 1968	1160	409000005400.exe	26
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1968 wrote to memory of 1736	1968	409000005400.exe	27
PID 1736 wrote to memory of 1744	1736	InstallUtil.exe	32
PID 1736 wrote to memory of 1744	1736	InstallUtil.exe	32
PID 1736 wrote to memory of 1744	1736	InstallUtil.exe	32
PID 1736 wrote to memory of 1744	1736	InstallUtil.exe	32

C:\Users\Admin\AppData\Local\Temp\409000005400.exe
"C:\Users\Admin\AppData\Local\Temp\409000005400.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\409000005400.exe
  "C:\Users\Admin\AppData\Local\Temp\409000005400.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1968
- - 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:1736
  - - 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:1744

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/1160-59-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/1736-65-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1736-69-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/1744-74-0x0000000000B80000-0x0000000000B82000-memory.dmp

Filesize
8KB

Download
memory/1968-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

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