a310logger | 379362027442526fd4d4be9a6fd95b5cc1e6af9387cd508be24c6d5a6bdcba15

Analysis

max time kernel
151s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
20-07-2021 09:03

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General

Target

0000990008T.exe
Size

204KB
MD5

00f5caf530f4b521d37e784cdbdd84fe
SHA1

ba4342ea14cf43c94cfe9ae002dbb56ce575bb2b
SHA256

379362027442526fd4d4be9a6fd95b5cc1e6af9387cd508be24c6d5a6bdcba15
SHA512

d76fe9c38a66892d42fc6a5394020b25c9811cc522ae47da590fd7740c09149c00baec189f9fca776d6d7259585919b4b13b1687db9f3efaaab38d04a18aeb70

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/676-118-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/676-119-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/3628-127-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 7 IoCs

resource	yara_rule
behavioral2/memory/676-118-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/676-119-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000200000001a4f4-123.dat	a310logger
behavioral2/files/0x000200000001a4f4-124.dat	a310logger
behavioral2/memory/3628-127-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000300000001ab5d-131.dat	a310logger
behavioral2/files/0x000300000001ab5d-132.dat	a310logger

Executes dropped EXE 2 IoCs

pid	Process
1900	MZ.exe
3948	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
11	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 396 set thread context of 1832	396	0000990008T.exe	75
PID 1832 set thread context of 676	1832	0000990008T.exe	76
PID 1832 set thread context of 3628	1832	0000990008T.exe	81
PID 1832 set thread context of 1252	1832	0000990008T.exe	83

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
864	1252	WerFault.exe	83

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 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 4 IoCs

pid	Process
1900	MZ.exe
1900	MZ.exe
3948	MZ.exe
3948	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1832	0000990008T.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
396	0000990008T.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	676	InstallUtil.exe
Token: SeDebugPrivilege	1900	MZ.exe
Token: SeDebugPrivilege	3628	InstallUtil.exe
Token: SeDebugPrivilege	3948	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1832	0000990008T.exe
1832	0000990008T.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 1832	396	0000990008T.exe	75
PID 396 wrote to memory of 1832	396	0000990008T.exe	75
PID 396 wrote to memory of 1832	396	0000990008T.exe	75
PID 396 wrote to memory of 1832	396	0000990008T.exe	75
PID 1832 wrote to memory of 676	1832	0000990008T.exe	76
PID 1832 wrote to memory of 676	1832	0000990008T.exe	76
PID 1832 wrote to memory of 676	1832	0000990008T.exe	76
PID 1832 wrote to memory of 676	1832	0000990008T.exe	76
PID 1832 wrote to memory of 676	1832	0000990008T.exe	76
PID 1832 wrote to memory of 676	1832	0000990008T.exe	76
PID 1832 wrote to memory of 676	1832	0000990008T.exe	76
PID 1832 wrote to memory of 676	1832	0000990008T.exe	76
PID 676 wrote to memory of 1900	676	InstallUtil.exe	77
PID 676 wrote to memory of 1900	676	InstallUtil.exe	77
PID 1832 wrote to memory of 3628	1832	0000990008T.exe	81
PID 1832 wrote to memory of 3628	1832	0000990008T.exe	81
PID 1832 wrote to memory of 3628	1832	0000990008T.exe	81
PID 1832 wrote to memory of 3628	1832	0000990008T.exe	81
PID 1832 wrote to memory of 3628	1832	0000990008T.exe	81
PID 1832 wrote to memory of 3628	1832	0000990008T.exe	81
PID 1832 wrote to memory of 3628	1832	0000990008T.exe	81
PID 1832 wrote to memory of 3628	1832	0000990008T.exe	81
PID 3628 wrote to memory of 3948	3628	InstallUtil.exe	82
PID 3628 wrote to memory of 3948	3628	InstallUtil.exe	82
PID 1832 wrote to memory of 1252	1832	0000990008T.exe	83
PID 1832 wrote to memory of 1252	1832	0000990008T.exe	83
PID 1832 wrote to memory of 1252	1832	0000990008T.exe	83
PID 1832 wrote to memory of 1252	1832	0000990008T.exe	83

C:\Users\Admin\AppData\Local\Temp\0000990008T.exe
"C:\Users\Admin\AppData\Local\Temp\0000990008T.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:396
- C:\Users\Admin\AppData\Local\Temp\0000990008T.exe
  "C:\Users\Admin\AppData\Local\Temp\0000990008T.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1832
- - 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:1900
- - 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:3628
  - - 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:3948
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:1252
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 88
      4⤵
      Program crash
      PID:864

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/396-114-0x0000000000530000-0x0000000000532000-memory.dmp

Filesize
8KB

Download
memory/676-118-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/676-121-0x0000000001430000-0x0000000001431000-memory.dmp

Filesize
4KB

Download
memory/1832-120-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1900-125-0x00000000016F0000-0x00000000016F2000-memory.dmp

Filesize
8KB

Download
memory/3628-129-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

Filesize
4KB

Download
memory/3948-134-0x0000000001220000-0x0000000001222000-memory.dmp

Filesize
8KB

Download