a310logger | 7db01b21b6b4c6e977c8f96e204495b11d566c780c51198198195ec7045c7dce

General

Target

1c995e8f_by_Libranalysis.exe
Size

868KB
MD5

1c995e8f4af85982a6bd26019369ef62
SHA1

9cd0055ad7599440f852329e4ba3f2e6d7b76565
SHA256

7db01b21b6b4c6e977c8f96e204495b11d566c780c51198198195ec7045c7dce
SHA512

73a454656de2dbe2c402b750b9961f43184fa5c9670eba561bbf3d3126917fa3ee3f74e20c0f676d4536613ee3840fa63bda9f8ba12af2d1f1293938342aaf31

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/812-71-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/812-72-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 2 IoCs

resource	yara_rule
behavioral1/memory/812-71-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/812-72-0x0000000000412452-mapping.dmp	a310logger

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/736-61-0x0000000000400000-0x0000000000405000-memory.dmp	CustAttr

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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

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 736 set thread context of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 1440 set thread context of 812	1440	1c995e8f_by_Libranalysis.exe	30

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 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: GetForegroundWindowSpam 1 IoCs

pid	Process
1440	1c995e8f_by_Libranalysis.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	1c995e8f_by_Libranalysis.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1440	1c995e8f_by_Libranalysis.exe
1440	1c995e8f_by_Libranalysis.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 736 wrote to memory of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 736 wrote to memory of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 736 wrote to memory of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 736 wrote to memory of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 736 wrote to memory of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 736 wrote to memory of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 736 wrote to memory of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 736 wrote to memory of 1440	736	1c995e8f_by_Libranalysis.exe	29
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30
PID 1440 wrote to memory of 812	1440	1c995e8f_by_Libranalysis.exe	30

C:\Users\Admin\AppData\Local\Temp\1c995e8f_by_Libranalysis.exe
"C:\Users\Admin\AppData\Local\Temp\1c995e8f_by_Libranalysis.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:736
- C:\Users\Admin\AppData\Local\Temp\1c995e8f_by_Libranalysis.exe
  "C:\Users\Admin\AppData\Local\Temp\1c995e8f_by_Libranalysis.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  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
    PID:812

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/736-59-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

Filesize
4KB

Download
memory/736-61-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/736-62-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/736-63-0x00000000050F0000-0x00000000051A2000-memory.dmp

Filesize
712KB

Download
memory/736-64-0x0000000007750000-0x00000000077C5000-memory.dmp

Filesize
468KB

Download
memory/812-71-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/812-75-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/1440-65-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1440-70-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download
memory/1440-74-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download

Analysis

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