a310logger | 1082af11e2e9949798b1752d511d0c134ccc7bb54147b5c83a5d0edddd236e65

Analysis

max time kernel
153s
max time network
150s
platform
windows10_x64
resource
win10v20210408
submitted
27-08-2021 11:38

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General

Target

NEW980009000.exe
Size

376KB
MD5

01e4b34085e840c3c2cebf1e0db0aa29
SHA1

2c1bcfac805bd6bd400389b902029eb80865f518
SHA256

1082af11e2e9949798b1752d511d0c134ccc7bb54147b5c83a5d0edddd236e65
SHA512

4c5c7c63db636ed64a12ca55fb604772fea80bbab915ff00500b54142146f1db2685d70c818430c17cbbe20a7e66d58363df3a29b67b8b4f3b4bc2535a0742ec

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 4 IoCs

resource	yara_rule
behavioral2/memory/2204-118-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/2204-119-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/676-128-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/1872-137-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 10 IoCs

resource	yara_rule
behavioral2/memory/2204-118-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/2204-119-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000300000001561b-125.dat	a310logger
behavioral2/files/0x000300000001561b-124.dat	a310logger
behavioral2/memory/676-128-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000100000001ab62-132.dat	a310logger
behavioral2/files/0x000100000001ab62-133.dat	a310logger
behavioral2/memory/1872-137-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x0003000000000691-140.dat	a310logger
behavioral2/files/0x0003000000000691-141.dat	a310logger

Executes dropped EXE 3 IoCs

pid	Process
508	MZ.exe
1440	MZ.exe
2604	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
24	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 4648 set thread context of 416	4648	NEW980009000.exe	75
PID 416 set thread context of 2204	416	NEW980009000.exe	76
PID 416 set thread context of 676	416	NEW980009000.exe	82
PID 416 set thread context of 1872	416	NEW980009000.exe	84

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 6 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
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 6 IoCs

pid	Process
508	MZ.exe
508	MZ.exe
1440	MZ.exe
1440	MZ.exe
2604	MZ.exe
2604	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
416	NEW980009000.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4648	NEW980009000.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2204	InstallUtil.exe
Token: SeDebugPrivilege	508	MZ.exe
Token: SeDebugPrivilege	676	InstallUtil.exe
Token: SeDebugPrivilege	1440	MZ.exe
Token: SeDebugPrivilege	1872	InstallUtil.exe
Token: SeDebugPrivilege	2604	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
416	NEW980009000.exe
416	NEW980009000.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 416	4648	NEW980009000.exe	75
PID 4648 wrote to memory of 416	4648	NEW980009000.exe	75
PID 4648 wrote to memory of 416	4648	NEW980009000.exe	75
PID 4648 wrote to memory of 416	4648	NEW980009000.exe	75
PID 416 wrote to memory of 2204	416	NEW980009000.exe	76
PID 416 wrote to memory of 2204	416	NEW980009000.exe	76
PID 416 wrote to memory of 2204	416	NEW980009000.exe	76
PID 416 wrote to memory of 2204	416	NEW980009000.exe	76
PID 416 wrote to memory of 2204	416	NEW980009000.exe	76
PID 416 wrote to memory of 2204	416	NEW980009000.exe	76
PID 416 wrote to memory of 2204	416	NEW980009000.exe	76
PID 416 wrote to memory of 2204	416	NEW980009000.exe	76
PID 2204 wrote to memory of 508	2204	InstallUtil.exe	80
PID 2204 wrote to memory of 508	2204	InstallUtil.exe	80
PID 416 wrote to memory of 676	416	NEW980009000.exe	82
PID 416 wrote to memory of 676	416	NEW980009000.exe	82
PID 416 wrote to memory of 676	416	NEW980009000.exe	82
PID 416 wrote to memory of 676	416	NEW980009000.exe	82
PID 416 wrote to memory of 676	416	NEW980009000.exe	82
PID 416 wrote to memory of 676	416	NEW980009000.exe	82
PID 416 wrote to memory of 676	416	NEW980009000.exe	82
PID 416 wrote to memory of 676	416	NEW980009000.exe	82
PID 676 wrote to memory of 1440	676	InstallUtil.exe	83
PID 676 wrote to memory of 1440	676	InstallUtil.exe	83
PID 416 wrote to memory of 1872	416	NEW980009000.exe	84
PID 416 wrote to memory of 1872	416	NEW980009000.exe	84
PID 416 wrote to memory of 1872	416	NEW980009000.exe	84
PID 416 wrote to memory of 1872	416	NEW980009000.exe	84
PID 416 wrote to memory of 1872	416	NEW980009000.exe	84
PID 416 wrote to memory of 1872	416	NEW980009000.exe	84
PID 416 wrote to memory of 1872	416	NEW980009000.exe	84
PID 416 wrote to memory of 1872	416	NEW980009000.exe	84
PID 1872 wrote to memory of 2604	1872	InstallUtil.exe	85
PID 1872 wrote to memory of 2604	1872	InstallUtil.exe	85

C:\Users\Admin\AppData\Local\Temp\NEW980009000.exe
"C:\Users\Admin\AppData\Local\Temp\NEW980009000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Users\Admin\AppData\Local\Temp\NEW980009000.exe
  "C:\Users\Admin\AppData\Local\Temp\NEW980009000.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:416
- - 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:2204
  - - 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:508
- - 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:676
  - - 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:1440
- - 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:1872
  - - 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:2604

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/416-121-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/508-126-0x0000000002E10000-0x0000000002E12000-memory.dmp

Filesize
8KB

Download
memory/676-130-0x0000000001550000-0x0000000001551000-memory.dmp

Filesize
4KB

Download
memory/1440-135-0x0000000000C70000-0x0000000000C72000-memory.dmp

Filesize
8KB

Download
memory/1872-138-0x0000000003210000-0x0000000003211000-memory.dmp

Filesize
4KB

Download
memory/2204-122-0x0000000002770000-0x0000000002771000-memory.dmp

Filesize
4KB

Download
memory/2204-118-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2604-142-0x0000000002C20000-0x0000000002C22000-memory.dmp

Filesize
8KB

Download
memory/4648-120-0x0000000005610000-0x0000000005612000-memory.dmp

Filesize
8KB

Download
memory/4648-114-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download