a310logger | dd28e77b8a4352128745bf0a5b8a7df5dc2cfd7b80dd5cb0ea300d95098cccc1

Analysis

max time kernel
151s
max time network
152s
platform
windows10_x64
resource
win10v20210410
submitted
06-08-2021 13:46

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General

Target

FC73GQTY0090TWI.exe
Size

398KB
MD5

4399c21e668cbe469401638c66ef0519
SHA1

6caabc0989fb59963f1178de1a528f0f50b7fe33
SHA256

dd28e77b8a4352128745bf0a5b8a7df5dc2cfd7b80dd5cb0ea300d95098cccc1
SHA512

02d09cd6b09f4ac680bb0d4748e72b347c37e87154c2422d8b879297fd48254608b598bb6b8db8a1258c9571f33f69e7ae791ec1e23682205cf517380d4bf4ff

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 4 IoCs

resource	yara_rule
behavioral2/memory/2348-118-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/2348-119-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/3408-127-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/2976-129-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 8 IoCs

resource	yara_rule
behavioral2/memory/2348-118-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/2348-119-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000200000001ab59-124.dat	a310logger
behavioral2/files/0x000200000001ab59-123.dat	a310logger
behavioral2/memory/3408-127-0x0000000000412452-mapping.dmp	a310logger
behavioral2/memory/2976-129-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000100000001ab69-133.dat	a310logger
behavioral2/files/0x000100000001ab69-134.dat	a310logger

Executes dropped EXE 2 IoCs

pid	Process
3896	MZ.exe
1256	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 3944 set thread context of 1120	3944	FC73GQTY0090TWI.exe	73
PID 1120 set thread context of 2348	1120	FC73GQTY0090TWI.exe	76
PID 1120 set thread context of 3408	1120	FC73GQTY0090TWI.exe	82
PID 1120 set thread context of 2976	1120	FC73GQTY0090TWI.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
2408	3408	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 18 IoCs

pid	Process
3896	MZ.exe
3896	MZ.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
2408	WerFault.exe
1256	MZ.exe
1256	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1120	FC73GQTY0090TWI.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3944	FC73GQTY0090TWI.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	InstallUtil.exe
Token: SeDebugPrivilege	3896	MZ.exe
Token: SeRestorePrivilege	2408	WerFault.exe
Token: SeBackupPrivilege	2408	WerFault.exe
Token: SeDebugPrivilege	2408	WerFault.exe
Token: SeDebugPrivilege	2976	InstallUtil.exe
Token: SeDebugPrivilege	1256	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1120	FC73GQTY0090TWI.exe
1120	FC73GQTY0090TWI.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 1120	3944	FC73GQTY0090TWI.exe	73
PID 3944 wrote to memory of 1120	3944	FC73GQTY0090TWI.exe	73
PID 3944 wrote to memory of 1120	3944	FC73GQTY0090TWI.exe	73
PID 3944 wrote to memory of 1120	3944	FC73GQTY0090TWI.exe	73
PID 1120 wrote to memory of 2348	1120	FC73GQTY0090TWI.exe	76
PID 1120 wrote to memory of 2348	1120	FC73GQTY0090TWI.exe	76
PID 1120 wrote to memory of 2348	1120	FC73GQTY0090TWI.exe	76
PID 1120 wrote to memory of 2348	1120	FC73GQTY0090TWI.exe	76
PID 1120 wrote to memory of 2348	1120	FC73GQTY0090TWI.exe	76
PID 1120 wrote to memory of 2348	1120	FC73GQTY0090TWI.exe	76
PID 1120 wrote to memory of 2348	1120	FC73GQTY0090TWI.exe	76
PID 1120 wrote to memory of 2348	1120	FC73GQTY0090TWI.exe	76
PID 2348 wrote to memory of 3896	2348	InstallUtil.exe	80
PID 2348 wrote to memory of 3896	2348	InstallUtil.exe	80
PID 1120 wrote to memory of 3408	1120	FC73GQTY0090TWI.exe	82
PID 1120 wrote to memory of 3408	1120	FC73GQTY0090TWI.exe	82
PID 1120 wrote to memory of 3408	1120	FC73GQTY0090TWI.exe	82
PID 1120 wrote to memory of 3408	1120	FC73GQTY0090TWI.exe	82
PID 1120 wrote to memory of 3408	1120	FC73GQTY0090TWI.exe	82
PID 1120 wrote to memory of 3408	1120	FC73GQTY0090TWI.exe	82
PID 1120 wrote to memory of 3408	1120	FC73GQTY0090TWI.exe	82
PID 1120 wrote to memory of 3408	1120	FC73GQTY0090TWI.exe	82
PID 1120 wrote to memory of 2976	1120	FC73GQTY0090TWI.exe	85
PID 1120 wrote to memory of 2976	1120	FC73GQTY0090TWI.exe	85
PID 1120 wrote to memory of 2976	1120	FC73GQTY0090TWI.exe	85
PID 1120 wrote to memory of 2976	1120	FC73GQTY0090TWI.exe	85
PID 1120 wrote to memory of 2976	1120	FC73GQTY0090TWI.exe	85
PID 1120 wrote to memory of 2976	1120	FC73GQTY0090TWI.exe	85
PID 1120 wrote to memory of 2976	1120	FC73GQTY0090TWI.exe	85
PID 1120 wrote to memory of 2976	1120	FC73GQTY0090TWI.exe	85
PID 2976 wrote to memory of 1256	2976	InstallUtil.exe	87
PID 2976 wrote to memory of 1256	2976	InstallUtil.exe	87

C:\Users\Admin\AppData\Local\Temp\FC73GQTY0090TWI.exe
"C:\Users\Admin\AppData\Local\Temp\FC73GQTY0090TWI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Users\Admin\AppData\Local\Temp\FC73GQTY0090TWI.exe
  "C:\Users\Admin\AppData\Local\Temp\FC73GQTY0090TWI.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1120
- - 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:2348
  - - 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:3896
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:3408
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 160
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2408
- - 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:2976
  - - 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:1256

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/1120-120-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1256-136-0x0000000000CD0000-0x0000000000CD2000-memory.dmp

Filesize
8KB

Download
memory/2348-121-0x0000000001680000-0x0000000001681000-memory.dmp

Filesize
4KB

Download
memory/2348-118-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2976-131-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/3896-125-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

Filesize
8KB

Download
memory/3944-115-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download