a310logger | dd28e77b8a4352128745bf0a5b8a7df5dc2cfd7b80dd5cb0ea300d95098cccc1

General

Target

FC73GQTY0090TWI.exe
Size

398KB
MD5

4399c21e668cbe469401638c66ef0519
SHA1

6caabc0989fb59963f1178de1a528f0f50b7fe33
SHA256

dd28e77b8a4352128745bf0a5b8a7df5dc2cfd7b80dd5cb0ea300d95098cccc1
SHA512

02d09cd6b09f4ac680bb0d4748e72b347c37e87154c2422d8b879297fd48254608b598bb6b8db8a1258c9571f33f69e7ae791ec1e23682205cf517380d4bf4ff

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/824-66-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/824-67-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 5 IoCs

resource	yara_rule
behavioral1/memory/824-66-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/824-67-0x0000000000412452-mapping.dmp	a310logger
behavioral1/files/0x00040000000130cb-70.dat	a310logger
behavioral1/files/0x00040000000130cb-72.dat	a310logger
behavioral1/files/0x00040000000130cb-73.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
332	MZ.exe

Loads dropped DLL 1 IoCs

pid	Process
824	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 1652 set thread context of 1256	1652	FC73GQTY0090TWI.exe	28
PID 1256 set thread context of 824	1256	FC73GQTY0090TWI.exe	31

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
332	MZ.exe
332	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1256	FC73GQTY0090TWI.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1652	FC73GQTY0090TWI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	332	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1256	FC73GQTY0090TWI.exe
1256	FC73GQTY0090TWI.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1256	1652	FC73GQTY0090TWI.exe	28
PID 1652 wrote to memory of 1256	1652	FC73GQTY0090TWI.exe	28
PID 1652 wrote to memory of 1256	1652	FC73GQTY0090TWI.exe	28
PID 1652 wrote to memory of 1256	1652	FC73GQTY0090TWI.exe	28
PID 1652 wrote to memory of 1256	1652	FC73GQTY0090TWI.exe	28
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 1256 wrote to memory of 824	1256	FC73GQTY0090TWI.exe	31
PID 824 wrote to memory of 332	824	InstallUtil.exe	33
PID 824 wrote to memory of 332	824	InstallUtil.exe	33
PID 824 wrote to memory of 332	824	InstallUtil.exe	33
PID 824 wrote to memory of 332	824	InstallUtil.exe	33

C:\Users\Admin\AppData\Local\Temp\FC73GQTY0090TWI.exe
"C:\Users\Admin\AppData\Local\Temp\FC73GQTY0090TWI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Users\Admin\AppData\Local\Temp\FC73GQTY0090TWI.exe
  "C:\Users\Admin\AppData\Local\Temp\FC73GQTY0090TWI.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1256
- - 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:824
  - - 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:332

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/332-74-0x0000000002040000-0x0000000002042000-memory.dmp

Filesize
8KB

Download
memory/824-66-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/824-68-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1256-64-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1256-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1652-61-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download

Analysis

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