a310logger | d3f85046f847f466e6685aa45d13aca62b163e5bcdf3a8a81beee0b819761af8

Analysis

max time kernel
151s
max time network
123s
platform
windows10_x64
resource
win10v20210408
submitted
03/09/2021, 06:21

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General

Target
9088890000.exe
Size 383KB
Sample210903-g4dccsffhm
SHA256 c8d68c59e8f4cf194e50766e00d0fa72bba828a43ce4405fc195e3d27d9e4b6f
MD5 df3de39ce7d9c7c7cb1fca65ef4fb6d3
SHA1 f8dfffbf857a583f4d24cddbf741120a080cef71
SHA512 85a88ef177f795e9694a988ffda710d97a7037ec2e7ed16c6c7f01476acae564baa6994804d057a440a98ab9563a098f80dc4b2e77cf5d69adfaa466ed5d22bc
MD5 SHA1 SHA512

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/2572-119-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/2572-120-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/3748-127-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 7 IoCs

resource	yara_rule
behavioral2/memory/2572-119-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/2572-120-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000300000001ab18-124.dat	a310logger
behavioral2/files/0x000300000001ab18-123.dat	a310logger
behavioral2/memory/3748-127-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000300000001ab26-131.dat	a310logger
behavioral2/files/0x000300000001ab26-132.dat	a310logger

Executes dropped EXE 2 IoCs

pid	Process
1996	MZ.exe
3928	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
10	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 3932 set thread context of 1100	3932	9088890000.exe	73
PID 1100 set thread context of 2572	1100	9088890000.exe	77
PID 1100 set thread context of 3748	1100	9088890000.exe	82
PID 1100 set thread context of 3832	1100	9088890000.exe	84

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
2656	3832	WerFault.exe	84

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
1996	MZ.exe
1996	MZ.exe
3928	MZ.exe
3928	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1100	9088890000.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3932	9088890000.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	InstallUtil.exe
Token: SeDebugPrivilege	1996	MZ.exe
Token: SeDebugPrivilege	3748	InstallUtil.exe
Token: SeDebugPrivilege	3928	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1100	9088890000.exe
1100	9088890000.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 1100	3932	9088890000.exe	73
PID 3932 wrote to memory of 1100	3932	9088890000.exe	73
PID 3932 wrote to memory of 1100	3932	9088890000.exe	73
PID 3932 wrote to memory of 1100	3932	9088890000.exe	73
PID 1100 wrote to memory of 2572	1100	9088890000.exe	77
PID 1100 wrote to memory of 2572	1100	9088890000.exe	77
PID 1100 wrote to memory of 2572	1100	9088890000.exe	77
PID 1100 wrote to memory of 2572	1100	9088890000.exe	77
PID 1100 wrote to memory of 2572	1100	9088890000.exe	77
PID 1100 wrote to memory of 2572	1100	9088890000.exe	77
PID 1100 wrote to memory of 2572	1100	9088890000.exe	77
PID 1100 wrote to memory of 2572	1100	9088890000.exe	77
PID 2572 wrote to memory of 1996	2572	InstallUtil.exe	78
PID 2572 wrote to memory of 1996	2572	InstallUtil.exe	78
PID 1100 wrote to memory of 3748	1100	9088890000.exe	82
PID 1100 wrote to memory of 3748	1100	9088890000.exe	82
PID 1100 wrote to memory of 3748	1100	9088890000.exe	82
PID 1100 wrote to memory of 3748	1100	9088890000.exe	82
PID 1100 wrote to memory of 3748	1100	9088890000.exe	82
PID 1100 wrote to memory of 3748	1100	9088890000.exe	82
PID 1100 wrote to memory of 3748	1100	9088890000.exe	82
PID 1100 wrote to memory of 3748	1100	9088890000.exe	82
PID 3748 wrote to memory of 3928	3748	InstallUtil.exe	83
PID 3748 wrote to memory of 3928	3748	InstallUtil.exe	83
PID 1100 wrote to memory of 3832	1100	9088890000.exe	84
PID 1100 wrote to memory of 3832	1100	9088890000.exe	84
PID 1100 wrote to memory of 3832	1100	9088890000.exe	84
PID 1100 wrote to memory of 3832	1100	9088890000.exe	84

C:\Users\Admin\AppData\Local\Temp\9088890000.exe
"C:\Users\Admin\AppData\Local\Temp\9088890000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Users\Admin\AppData\Local\Temp\9088890000.exe
  "C:\Users\Admin\AppData\Local\Temp\9088890000.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1100
- - 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:2572
  - - 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:1996
- - 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:3748
  - - 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:3928
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:3832
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 88
      4⤵
      Program crash
      PID:2656

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

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Downloads

memory/1100-118-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/1996-125-0x0000000001070000-0x0000000001072000-memory.dmp

Download

memory/2572-121-0x00000000031D0000-0x00000000031D1000-memory.dmp

Download

memory/2572-119-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/3748-129-0x0000000003130000-0x0000000003131000-memory.dmp

Download

memory/3928-134-0x00000000017D0000-0x00000000017D2000-memory.dmp

Download

memory/3932-117-0x00000000001E0000-0x00000000001E2000-memory.dmp

Download