a310logger | 9e4b6c3beacf15788e4ab0c3dc67962de4e1181854ea65124ba7231ff88730dc

Analysis

max time kernel
150s
max time network
136s
platform
windows10_x64
resource
win10v20210410
submitted
22-07-2021 06:09

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General

Target

10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe
Size

897KB
MD5

6f260afdc367ce34cc44584c35ef7da1
SHA1

b9c1be8368b9947a85e70ddee94b35c8dde43771
SHA256

9e4b6c3beacf15788e4ab0c3dc67962de4e1181854ea65124ba7231ff88730dc
SHA512

9ab7f18ec6bda4eb488fbf54dfb44d4554e168961559559f32d8ebbcb4af7e7cd4ea48d58a9c3206033724004ebafc71bcb04a8c9b5edd16fd4256e4442bccbb

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
behavioral2/memory/2180-132-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/2180-133-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 4 IoCs

resource	yara_rule
behavioral2/memory/2180-132-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/2180-133-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000400000001ab87-136.dat	a310logger
behavioral2/files/0x000400000001ab87-137.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
3784	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
15	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 3680 set thread context of 3832	3680	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	76
PID 3832 set thread context of 768	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	77
PID 3832 set thread context of 1288	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	83
PID 3832 set thread context of 2180	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.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 2 IoCs

pid	pid_target	Process	procid_target
3144	768	WerFault.exe	77
2208	1288	WerFault.exe	83

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
3784	MZ.exe
3784	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	InstallUtil.exe
Token: SeDebugPrivilege	3784	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe
3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 3832	3680	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	76
PID 3680 wrote to memory of 3832	3680	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	76
PID 3680 wrote to memory of 3832	3680	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	76
PID 3680 wrote to memory of 3832	3680	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	76
PID 3680 wrote to memory of 3832	3680	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	76
PID 3680 wrote to memory of 3832	3680	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	76
PID 3680 wrote to memory of 3832	3680	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	76
PID 3680 wrote to memory of 3832	3680	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	76
PID 3832 wrote to memory of 768	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	77
PID 3832 wrote to memory of 768	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	77
PID 3832 wrote to memory of 768	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	77
PID 3832 wrote to memory of 768	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	77
PID 3832 wrote to memory of 768	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	77
PID 3832 wrote to memory of 768	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	77
PID 3832 wrote to memory of 1288	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	83
PID 3832 wrote to memory of 1288	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	83
PID 3832 wrote to memory of 1288	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	83
PID 3832 wrote to memory of 1288	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	83
PID 3832 wrote to memory of 2180	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	85
PID 3832 wrote to memory of 2180	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	85
PID 3832 wrote to memory of 2180	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	85
PID 3832 wrote to memory of 2180	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	85
PID 3832 wrote to memory of 2180	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	85
PID 3832 wrote to memory of 2180	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	85
PID 3832 wrote to memory of 2180	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	85
PID 3832 wrote to memory of 2180	3832	10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe	85
PID 2180 wrote to memory of 3784	2180	InstallUtil.exe	87
PID 2180 wrote to memory of 3784	2180	InstallUtil.exe	87

C:\Users\Admin\AppData\Local\Temp\10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe
"C:\Users\Admin\AppData\Local\Temp\10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Users\Admin\AppData\Local\Temp\10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe
  "C:\Users\Admin\AppData\Local\Temp\10303640_APMC-TRN-C0001-Stability_Calculation_Rev1.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3832
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:768
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 24
      4⤵
      Program crash
      PID:3144
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:1288
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 88
      4⤵
      Program crash
      PID:2208
- - 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:2180
  - - 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:3784

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/2180-134-0x0000000003090000-0x0000000003091000-memory.dmp

Filesize
4KB

Download
memory/2180-132-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3680-120-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/3680-126-0x00000000049E0000-0x0000000004A72000-memory.dmp

Filesize
584KB

Download
memory/3680-122-0x0000000004BF0000-0x0000000004BFF000-memory.dmp

Filesize
60KB

Download
memory/3680-121-0x0000000004D40000-0x0000000004DB1000-memory.dmp

Filesize
452KB

Download
memory/3680-114-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/3680-119-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/3680-118-0x0000000004C10000-0x0000000004C11000-memory.dmp

Filesize
4KB

Download
memory/3680-117-0x0000000004A80000-0x0000000004A81000-memory.dmp

Filesize
4KB

Download
memory/3680-116-0x0000000005070000-0x0000000005071000-memory.dmp

Filesize
4KB

Download
memory/3784-138-0x0000000000D40000-0x0000000000D42000-memory.dmp

Filesize
8KB

Download
memory/3832-123-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download