a310logger | bea7fc2e0fd9a1a0eb1382285dcbff3db76a372c18249673bf331257bac602af

Analysis

max time kernel
151s
max time network
132s
platform
windows10_x64
resource
win10v20210408
submitted
05-09-2021 09:54

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General

Target

090009000N.exe
Size

208KB
MD5

780cc6d61d19eb61fbb2566fe8f39b4a
SHA1

08272cd98b5d17ba7f6bf204e7b0af78a2e44957
SHA256

7a30162550b7e83cf48b73ad034251cbc6e053f9d20809c4f4beefaef28c8754
SHA512

f9e5d82b4710a8e5020007d9d1ae9eb1e2f8c682677a87617c08bc5059d148cfb2b5673c221077f96d37ae45d324b26ac4632df0f8fb1a05c35e989243f4048e

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 3 IoCs

resource	yara_rule
behavioral2/memory/3744-117-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/3744-118-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/908-127-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 7 IoCs

resource	yara_rule
behavioral2/memory/3744-117-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/3744-118-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x0003000000015619-123.dat	a310logger
behavioral2/files/0x0003000000015619-124.dat	a310logger
behavioral2/memory/908-127-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000300000001ab2e-131.dat	a310logger
behavioral2/files/0x000300000001ab2e-132.dat	a310logger

Executes dropped EXE 2 IoCs

pid	Process
3168	MZ.exe
3860	MZ.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
19	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 4 IoCs

description	pid	Process	procid_target
PID 752 set thread context of 4048	752	090009000N.exe	75
PID 4048 set thread context of 3744	4048	090009000N.exe	76
PID 4048 set thread context of 908	4048	090009000N.exe	81
PID 4048 set thread context of 2452	4048	090009000N.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3616	2452	WerFault.exe	83

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3168	MZ.exe
3168	MZ.exe
3860	MZ.exe
3860	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4048	090009000N.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
752	090009000N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3744	InstallUtil.exe
Token: SeDebugPrivilege	3168	MZ.exe
Token: SeDebugPrivilege	908	InstallUtil.exe
Token: SeDebugPrivilege	3860	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4048	090009000N.exe
4048	090009000N.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 4048	752	090009000N.exe	75
PID 752 wrote to memory of 4048	752	090009000N.exe	75
PID 752 wrote to memory of 4048	752	090009000N.exe	75
PID 752 wrote to memory of 4048	752	090009000N.exe	75
PID 4048 wrote to memory of 3744	4048	090009000N.exe	76
PID 4048 wrote to memory of 3744	4048	090009000N.exe	76
PID 4048 wrote to memory of 3744	4048	090009000N.exe	76
PID 4048 wrote to memory of 3744	4048	090009000N.exe	76
PID 4048 wrote to memory of 3744	4048	090009000N.exe	76
PID 4048 wrote to memory of 3744	4048	090009000N.exe	76
PID 4048 wrote to memory of 3744	4048	090009000N.exe	76
PID 4048 wrote to memory of 3744	4048	090009000N.exe	76
PID 3744 wrote to memory of 3168	3744	InstallUtil.exe	79
PID 3744 wrote to memory of 3168	3744	InstallUtil.exe	79
PID 4048 wrote to memory of 908	4048	090009000N.exe	81
PID 4048 wrote to memory of 908	4048	090009000N.exe	81
PID 4048 wrote to memory of 908	4048	090009000N.exe	81
PID 4048 wrote to memory of 908	4048	090009000N.exe	81
PID 4048 wrote to memory of 908	4048	090009000N.exe	81
PID 4048 wrote to memory of 908	4048	090009000N.exe	81
PID 4048 wrote to memory of 908	4048	090009000N.exe	81
PID 4048 wrote to memory of 908	4048	090009000N.exe	81
PID 908 wrote to memory of 3860	908	InstallUtil.exe	82
PID 908 wrote to memory of 3860	908	InstallUtil.exe	82
PID 4048 wrote to memory of 2452	4048	090009000N.exe	83
PID 4048 wrote to memory of 2452	4048	090009000N.exe	83
PID 4048 wrote to memory of 2452	4048	090009000N.exe	83
PID 4048 wrote to memory of 2452	4048	090009000N.exe	83

C:\Users\Admin\AppData\Local\Temp\090009000N.exe
"C:\Users\Admin\AppData\Local\Temp\090009000N.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:752
- C:\Users\Admin\AppData\Local\Temp\090009000N.exe
  "C:\Users\Admin\AppData\Local\Temp\090009000N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4048
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3744
  - - 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:3168
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:908
  - - 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:3860
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:2452
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 88
      4⤵
      Program crash
      PID:3616

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/752-119-0x0000000003140000-0x0000000003142000-memory.dmp

Filesize
8KB

Download
memory/908-129-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/3168-125-0x00000000029A0000-0x00000000029A2000-memory.dmp

Filesize
8KB

Download
memory/3744-121-0x0000000002F40000-0x0000000002F41000-memory.dmp

Filesize
4KB

Download
memory/3744-117-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3860-134-0x00000000026F0000-0x00000000026F2000-memory.dmp

Filesize
8KB

Download
memory/4048-120-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download