a310logger | 32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef

Analysis

max time kernel
151s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
24-08-2021 06:40

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General

Target

INVOICE#0909000.exe
Size

597KB
MD5

2fa857766a51190a35c523d1e668c419
SHA1

a03a3e40fea2601e2b745b6d111d8b50384f1bd5
SHA256

32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef
SHA512

3c54fd2dcfce7e412b8fe2bf328b7feb22dc2eabc24b14040255b7844280c0b4e5d9860c3e244fd90e5702b51454a406039bfd4edd245ee0f530eac4ed191556

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/204-126-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/204-127-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/2732-136-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 7 IoCs

resource	yara_rule
behavioral2/memory/204-126-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/204-127-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000100000001ab31-130.dat	a310logger
behavioral2/files/0x000100000001ab31-131.dat	a310logger
behavioral2/memory/2732-136-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000300000001ab39-140.dat	a310logger
behavioral2/files/0x000300000001ab39-141.dat	a310logger

Executes dropped EXE 2 IoCs

pid	Process
3744	MZ.exe
3996	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
12	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 416 set thread context of 3920	416	INVOICE#0909000.exe	76
PID 3920 set thread context of 204	3920	INVOICE#0909000.exe	77
PID 3920 set thread context of 2476	3920	INVOICE#0909000.exe	82
PID 3920 set thread context of 2732	3920	INVOICE#0909000.exe	85

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
2728	2476	WerFault.exe	82

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 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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3744	MZ.exe
3744	MZ.exe
3996	MZ.exe
3996	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3920	INVOICE#0909000.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	204	InstallUtil.exe
Token: SeDebugPrivilege	3744	MZ.exe
Token: SeDebugPrivilege	2732	InstallUtil.exe
Token: SeDebugPrivilege	3996	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3920	INVOICE#0909000.exe
3920	INVOICE#0909000.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 416 wrote to memory of 3920	416	INVOICE#0909000.exe	76
PID 416 wrote to memory of 3920	416	INVOICE#0909000.exe	76
PID 416 wrote to memory of 3920	416	INVOICE#0909000.exe	76
PID 416 wrote to memory of 3920	416	INVOICE#0909000.exe	76
PID 416 wrote to memory of 3920	416	INVOICE#0909000.exe	76
PID 416 wrote to memory of 3920	416	INVOICE#0909000.exe	76
PID 416 wrote to memory of 3920	416	INVOICE#0909000.exe	76
PID 416 wrote to memory of 3920	416	INVOICE#0909000.exe	76
PID 3920 wrote to memory of 204	3920	INVOICE#0909000.exe	77
PID 3920 wrote to memory of 204	3920	INVOICE#0909000.exe	77
PID 3920 wrote to memory of 204	3920	INVOICE#0909000.exe	77
PID 3920 wrote to memory of 204	3920	INVOICE#0909000.exe	77
PID 3920 wrote to memory of 204	3920	INVOICE#0909000.exe	77
PID 3920 wrote to memory of 204	3920	INVOICE#0909000.exe	77
PID 3920 wrote to memory of 204	3920	INVOICE#0909000.exe	77
PID 3920 wrote to memory of 204	3920	INVOICE#0909000.exe	77
PID 204 wrote to memory of 3744	204	InstallUtil.exe	78
PID 204 wrote to memory of 3744	204	InstallUtil.exe	78
PID 3920 wrote to memory of 2476	3920	INVOICE#0909000.exe	82
PID 3920 wrote to memory of 2476	3920	INVOICE#0909000.exe	82
PID 3920 wrote to memory of 2476	3920	INVOICE#0909000.exe	82
PID 3920 wrote to memory of 2476	3920	INVOICE#0909000.exe	82
PID 3920 wrote to memory of 2732	3920	INVOICE#0909000.exe	85
PID 3920 wrote to memory of 2732	3920	INVOICE#0909000.exe	85
PID 3920 wrote to memory of 2732	3920	INVOICE#0909000.exe	85
PID 3920 wrote to memory of 2732	3920	INVOICE#0909000.exe	85
PID 3920 wrote to memory of 2732	3920	INVOICE#0909000.exe	85
PID 3920 wrote to memory of 2732	3920	INVOICE#0909000.exe	85
PID 3920 wrote to memory of 2732	3920	INVOICE#0909000.exe	85
PID 3920 wrote to memory of 2732	3920	INVOICE#0909000.exe	85
PID 2732 wrote to memory of 3996	2732	InstallUtil.exe	87
PID 2732 wrote to memory of 3996	2732	InstallUtil.exe	87

C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:416
- C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3920
- - 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:204
  - - 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:3744
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:2476
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 96
      4⤵
      Program crash
      PID:2728
- - 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:2732
  - - 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:3996

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/204-126-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/204-128-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

Filesize
4KB

Download
memory/416-117-0x0000000004E40000-0x0000000004E41000-memory.dmp

Filesize
4KB

Download
memory/416-118-0x0000000004EE0000-0x0000000004F51000-memory.dmp

Filesize
452KB

Download
memory/416-116-0x0000000005540000-0x0000000005541000-memory.dmp

Filesize
4KB

Download
memory/416-119-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/416-114-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/416-120-0x0000000002840000-0x000000000284F000-memory.dmp

Filesize
60KB

Download
memory/416-125-0x0000000005040000-0x000000000553E000-memory.dmp

Filesize
5.0MB

Download
memory/2732-138-0x0000000001510000-0x0000000001511000-memory.dmp

Filesize
4KB

Download
memory/3744-132-0x0000000002FC0000-0x0000000002FC2000-memory.dmp

Filesize
8KB

Download
memory/3920-121-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3996-143-0x00000000013F0000-0x00000000013F2000-memory.dmp

Filesize
8KB

Download