a310logger | 5d3e5503103fe87851128da37f39fdc2e500d7bbf9f69e681745e582db9450a5

General

Target

9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe
Size

476KB
MD5

f5bf7345faf95d1997b4db8d72018a62
SHA1

9ec869cb94d730926ac5bd94ee0724e5bb8a94eb
SHA256

5d3e5503103fe87851128da37f39fdc2e500d7bbf9f69e681745e582db9450a5
SHA512

7ad9c11158402a42d6b601cf467b2d0093439d9aae85fc3eab9f5f631ec1398298b2c7b10b9be6a7b88d0f9a41e16e99de1f6403b4dd2f0a4ed64b908b1de302

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/1448-64-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/1448-65-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 5 IoCs

resource	yara_rule
behavioral1/memory/1448-64-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/1448-65-0x0000000000412452-mapping.dmp	a310logger
behavioral1/files/0x00040000000130f3-70.dat	a310logger
behavioral1/files/0x00040000000130f3-72.dat	a310logger
behavioral1/files/0x00040000000130f3-73.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
1868	MZ.exe

Loads dropped DLL 1 IoCs

pid	Process
1448	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
6	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 1824 set thread context of 1232	1824	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	25
PID 1232 set thread context of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.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
1868	MZ.exe
1868	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1824	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe
1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 1232	1824	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	25
PID 1824 wrote to memory of 1232	1824	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	25
PID 1824 wrote to memory of 1232	1824	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	25
PID 1824 wrote to memory of 1232	1824	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	25
PID 1824 wrote to memory of 1232	1824	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	25
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1232 wrote to memory of 1448	1232	9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe	27
PID 1448 wrote to memory of 1868	1448	InstallUtil.exe	32
PID 1448 wrote to memory of 1868	1448	InstallUtil.exe	32
PID 1448 wrote to memory of 1868	1448	InstallUtil.exe	32
PID 1448 wrote to memory of 1868	1448	InstallUtil.exe	32

C:\Users\Admin\AppData\Local\Temp\9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe
"C:\Users\Admin\AppData\Local\Temp\9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Users\Admin\AppData\Local\Temp\9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe
  "C:\Users\Admin\AppData\Local\Temp\9ec869cb94d730926ac5bd94ee0724e5bb8a94eb.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1232
- - 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:1448
  - - 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:1868

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/1232-63-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/1232-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1448-64-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1448-69-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/1824-67-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/1868-74-0x0000000002130000-0x0000000002132000-memory.dmp

Filesize
8KB

Download

Analysis

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