a310logger | 1018d102af9093b9a03abe9a660360db6be8f752d992bb7159475fccd78949f5

General

Target

Statement SKBMT 09418.exe
Size

993KB
MD5

16fdc46350203434497e1741ea5cd20a
SHA1

f75824509e9ce1b77194724fd34c60bc0c9d28f1
SHA256

1018d102af9093b9a03abe9a660360db6be8f752d992bb7159475fccd78949f5
SHA512

a71d6af40387a94c52d54438fea392969f5f0a330867dc7a2d05de5c07fdfb26724270ca3bbbfaf1ceddd2338254eb158e9ada092fa622315627f0b0553fee12

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/1532-70-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/1532-71-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 5 IoCs

resource	yara_rule
behavioral1/memory/1532-70-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/1532-71-0x0000000000412452-mapping.dmp	a310logger
behavioral1/files/0x00040000000130e1-75.dat	a310logger
behavioral1/files/0x00040000000130e1-77.dat	a310logger
behavioral1/files/0x00040000000130e1-78.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
324	MZ.exe

Loads dropped DLL 1 IoCs

pid	Process
1532	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
4	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 1112 set thread context of 1048	1112	Statement SKBMT 09418.exe	29
PID 1048 set thread context of 1532	1048	Statement SKBMT 09418.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 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 2 IoCs

pid	Process
324	MZ.exe
324	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1048	Statement SKBMT 09418.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1048	Statement SKBMT 09418.exe
1048	Statement SKBMT 09418.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 1048	1112	Statement SKBMT 09418.exe	29
PID 1112 wrote to memory of 1048	1112	Statement SKBMT 09418.exe	29
PID 1112 wrote to memory of 1048	1112	Statement SKBMT 09418.exe	29
PID 1112 wrote to memory of 1048	1112	Statement SKBMT 09418.exe	29
PID 1112 wrote to memory of 1048	1112	Statement SKBMT 09418.exe	29
PID 1112 wrote to memory of 1048	1112	Statement SKBMT 09418.exe	29
PID 1112 wrote to memory of 1048	1112	Statement SKBMT 09418.exe	29
PID 1112 wrote to memory of 1048	1112	Statement SKBMT 09418.exe	29
PID 1112 wrote to memory of 1048	1112	Statement SKBMT 09418.exe	29
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1048 wrote to memory of 1532	1048	Statement SKBMT 09418.exe	30
PID 1532 wrote to memory of 324	1532	InstallUtil.exe	32
PID 1532 wrote to memory of 324	1532	InstallUtil.exe	32
PID 1532 wrote to memory of 324	1532	InstallUtil.exe	32
PID 1532 wrote to memory of 324	1532	InstallUtil.exe	32

C:\Users\Admin\AppData\Local\Temp\Statement SKBMT 09418.exe
"C:\Users\Admin\AppData\Local\Temp\Statement SKBMT 09418.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\Statement SKBMT 09418.exe
  "C:\Users\Admin\AppData\Local\Temp\Statement SKBMT 09418.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1048
- - 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:1532
  - - 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:324

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/324-79-0x0000000000AA0000-0x0000000000AA2000-memory.dmp

Filesize
8KB

Download
memory/1048-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1048-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1048-69-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1112-64-0x0000000004900000-0x0000000004954000-memory.dmp

Filesize
336KB

Download
memory/1112-59-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/1112-63-0x0000000004EA0000-0x0000000004F32000-memory.dmp

Filesize
584KB

Download
memory/1112-62-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/1112-61-0x00000000003B0000-0x00000000003B4000-memory.dmp

Filesize
16KB

Download
memory/1532-74-0x0000000000D80000-0x0000000000D81000-memory.dmp

Filesize
4KB

Download
memory/1532-70-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

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Analysis

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