a310logger | 32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef

Analysis

max time kernel
152s
max time network
15s
platform
windows7_x64
resource
win7v20210410
submitted
24-08-2021 06:40

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General

Target

INVOICE#0909000.exe
Size

597KB
MD5

2fa857766a51190a35c523d1e668c419
SHA1

a03a3e40fea2601e2b745b6d111d8b50384f1bd5
SHA256

32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef
SHA512

3c54fd2dcfce7e412b8fe2bf328b7feb22dc2eabc24b14040255b7844280c0b4e5d9860c3e244fd90e5702b51454a406039bfd4edd245ee0f530eac4ed191556

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/1736-69-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/1736-70-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 5 IoCs

resource	yara_rule
behavioral1/memory/1736-69-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/1736-70-0x0000000000412452-mapping.dmp	a310logger
behavioral1/files/0x00040000000130e2-75.dat	a310logger
behavioral1/files/0x00040000000130e2-77.dat	a310logger
behavioral1/files/0x00040000000130e2-78.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
1940	MZ.exe

Loads dropped DLL 1 IoCs

pid	Process
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 2004 set thread context of 1800	2004	INVOICE#0909000.exe	27
PID 1800 set thread context of 1736	1800	INVOICE#0909000.exe	28

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 3 IoCs

pid	Process
2004	INVOICE#0909000.exe
1940	MZ.exe
1940	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1800	INVOICE#0909000.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	INVOICE#0909000.exe
Token: SeDebugPrivilege	1940	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1800	INVOICE#0909000.exe
1800	INVOICE#0909000.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1884	2004	INVOICE#0909000.exe	26
PID 2004 wrote to memory of 1884	2004	INVOICE#0909000.exe	26
PID 2004 wrote to memory of 1884	2004	INVOICE#0909000.exe	26
PID 2004 wrote to memory of 1884	2004	INVOICE#0909000.exe	26
PID 2004 wrote to memory of 1800	2004	INVOICE#0909000.exe	27
PID 2004 wrote to memory of 1800	2004	INVOICE#0909000.exe	27
PID 2004 wrote to memory of 1800	2004	INVOICE#0909000.exe	27
PID 2004 wrote to memory of 1800	2004	INVOICE#0909000.exe	27
PID 2004 wrote to memory of 1800	2004	INVOICE#0909000.exe	27
PID 2004 wrote to memory of 1800	2004	INVOICE#0909000.exe	27
PID 2004 wrote to memory of 1800	2004	INVOICE#0909000.exe	27
PID 2004 wrote to memory of 1800	2004	INVOICE#0909000.exe	27
PID 2004 wrote to memory of 1800	2004	INVOICE#0909000.exe	27
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1800 wrote to memory of 1736	1800	INVOICE#0909000.exe	28
PID 1736 wrote to memory of 1940	1736	InstallUtil.exe	33
PID 1736 wrote to memory of 1940	1736	InstallUtil.exe	33
PID 1736 wrote to memory of 1940	1736	InstallUtil.exe	33
PID 1736 wrote to memory of 1940	1736	InstallUtil.exe	33

C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe"
  2⤵
  PID:1884
- C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1800
- - 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:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1736-74-0x0000000001E30000-0x0000000001E31000-memory.dmp

Filesize
4KB

Download
memory/1736-69-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1800-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1800-68-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/1800-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1940-79-0x0000000000B30000-0x0000000000B32000-memory.dmp

Filesize
8KB

Download
memory/2004-71-0x0000000004930000-0x0000000004931000-memory.dmp

Filesize
4KB

Download
memory/2004-60-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/2004-63-0x00000000002D0000-0x00000000002DF000-memory.dmp

Filesize
60KB

Download
memory/2004-62-0x00000000006F0000-0x0000000000761000-memory.dmp

Filesize
452KB

Download