a310logger | 6dd6430d675baddc598fa38532e9d4572d5dac63429d599871912b2ad1cc51cc

General

Target

0900900000000TTU.exe
Size

397KB
MD5

553970a3cc2107922b3c29ececbd11e3
SHA1

75e5109e14865976612cbe77023237a0e6321094
SHA256

6dd6430d675baddc598fa38532e9d4572d5dac63429d599871912b2ad1cc51cc
SHA512

e88a76a266b941d830bbd1fbba698d4b70fec26b71962c77df2ae2457d0ea7f59c905b9413595185c5720436255e7bc0a76711be0b65435d6ed89ddd07e24bdc

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/2028-66-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2028-67-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 5 IoCs

resource	yara_rule
behavioral1/memory/2028-66-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2028-67-0x0000000000412452-mapping.dmp	a310logger
behavioral1/files/0x00030000000130ce-71.dat	a310logger
behavioral1/files/0x00030000000130ce-73.dat	a310logger
behavioral1/files/0x00030000000130ce-74.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
1652	MZ.exe

Loads dropped DLL 2 IoCs

pid	Process
1932	0900900000000TTU.exe
2028	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 1932 set thread context of 1376	1932	0900900000000TTU.exe	26
PID 1376 set thread context of 2028	1376	0900900000000TTU.exe	27

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: EnumeratesProcesses 2 IoCs

pid	Process
1652	MZ.exe
1652	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1376	0900900000000TTU.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1932	0900900000000TTU.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1376	0900900000000TTU.exe
1376	0900900000000TTU.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1376	1932	0900900000000TTU.exe	26
PID 1932 wrote to memory of 1376	1932	0900900000000TTU.exe	26
PID 1932 wrote to memory of 1376	1932	0900900000000TTU.exe	26
PID 1932 wrote to memory of 1376	1932	0900900000000TTU.exe	26
PID 1932 wrote to memory of 1376	1932	0900900000000TTU.exe	26
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 1376 wrote to memory of 2028	1376	0900900000000TTU.exe	27
PID 2028 wrote to memory of 1652	2028	InstallUtil.exe	32
PID 2028 wrote to memory of 1652	2028	InstallUtil.exe	32
PID 2028 wrote to memory of 1652	2028	InstallUtil.exe	32
PID 2028 wrote to memory of 1652	2028	InstallUtil.exe	32

C:\Users\Admin\AppData\Local\Temp\0900900000000TTU.exe
"C:\Users\Admin\AppData\Local\Temp\0900900000000TTU.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\0900900000000TTU.exe
  "C:\Users\Admin\AppData\Local\Temp\0900900000000TTU.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1376
- - 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:2028
  - - 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:1652

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/1376-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1652-75-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/1932-60-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/2028-66-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2028-70-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download

Analysis

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