a310logger | 04e942767c6c9744ef7eb6d3cc342239b8feaacd4df3c5e542b85177c0fbd97f

Analysis

max time kernel
154s
max time network
129s
platform
windows10_x64
resource
win10v20210408
submitted
22-08-2021 19:36

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General

Target

2.exe
Size

2.7MB
MD5

37798198d3649f8171286118fd320fe2
SHA1

e4d54a7c1dec833f20a6ff922388bac3b0a8546f
SHA256

04e942767c6c9744ef7eb6d3cc342239b8feaacd4df3c5e542b85177c0fbd97f
SHA512

04f6b778a1920686a8c831be6a827df8997c70b5f2148470142748388d8719f78c553ca462000323bc96c9dc0443addaed636687743ed6df159bab3e90e45838

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/3032-126-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/3032-127-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/4000-134-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/2192-143-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 10 IoCs

resource	yara_rule
behavioral2/memory/3032-126-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/3032-127-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000100000001ab4b-131.dat	a310logger
behavioral2/files/0x000100000001ab4b-130.dat	a310logger
behavioral2/memory/4000-134-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000100000001ab54-138.dat	a310logger
behavioral2/files/0x000100000001ab54-139.dat	a310logger
behavioral2/memory/2192-143-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000200000001ab54-146.dat	a310logger
behavioral2/files/0x000200000001ab54-147.dat	a310logger

Executes dropped EXE 3 IoCs

pid	Process
3732	MZ.exe
2296	MZ.exe
3676	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 568 set thread context of 2216	568	2.exe	78
PID 2216 set thread context of 3032	2216	2.exe	79
PID 2216 set thread context of 4000	2216	2.exe	81
PID 2216 set thread context of 2192	2216	2.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 6 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
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 6 IoCs

pid	Process
3732	MZ.exe
3732	MZ.exe
2296	MZ.exe
2296	MZ.exe
3676	MZ.exe
3676	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2216	2.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	InstallUtil.exe
Token: SeDebugPrivilege	3732	MZ.exe
Token: SeDebugPrivilege	4000	InstallUtil.exe
Token: SeDebugPrivilege	2296	MZ.exe
Token: SeDebugPrivilege	2192	InstallUtil.exe
Token: SeDebugPrivilege	3676	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2216	2.exe
2216	2.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 568 wrote to memory of 2216	568	2.exe	78
PID 568 wrote to memory of 2216	568	2.exe	78
PID 568 wrote to memory of 2216	568	2.exe	78
PID 568 wrote to memory of 2216	568	2.exe	78
PID 568 wrote to memory of 2216	568	2.exe	78
PID 568 wrote to memory of 2216	568	2.exe	78
PID 568 wrote to memory of 2216	568	2.exe	78
PID 568 wrote to memory of 2216	568	2.exe	78
PID 2216 wrote to memory of 3032	2216	2.exe	79
PID 2216 wrote to memory of 3032	2216	2.exe	79
PID 2216 wrote to memory of 3032	2216	2.exe	79
PID 2216 wrote to memory of 3032	2216	2.exe	79
PID 2216 wrote to memory of 3032	2216	2.exe	79
PID 2216 wrote to memory of 3032	2216	2.exe	79
PID 2216 wrote to memory of 3032	2216	2.exe	79
PID 2216 wrote to memory of 3032	2216	2.exe	79
PID 3032 wrote to memory of 3732	3032	InstallUtil.exe	80
PID 3032 wrote to memory of 3732	3032	InstallUtil.exe	80
PID 2216 wrote to memory of 4000	2216	2.exe	81
PID 2216 wrote to memory of 4000	2216	2.exe	81
PID 2216 wrote to memory of 4000	2216	2.exe	81
PID 2216 wrote to memory of 4000	2216	2.exe	81
PID 2216 wrote to memory of 4000	2216	2.exe	81
PID 2216 wrote to memory of 4000	2216	2.exe	81
PID 2216 wrote to memory of 4000	2216	2.exe	81
PID 2216 wrote to memory of 4000	2216	2.exe	81
PID 4000 wrote to memory of 2296	4000	InstallUtil.exe	82
PID 4000 wrote to memory of 2296	4000	InstallUtil.exe	82
PID 2216 wrote to memory of 2192	2216	2.exe	83
PID 2216 wrote to memory of 2192	2216	2.exe	83
PID 2216 wrote to memory of 2192	2216	2.exe	83
PID 2216 wrote to memory of 2192	2216	2.exe	83
PID 2216 wrote to memory of 2192	2216	2.exe	83
PID 2216 wrote to memory of 2192	2216	2.exe	83
PID 2216 wrote to memory of 2192	2216	2.exe	83
PID 2216 wrote to memory of 2192	2216	2.exe	83
PID 2192 wrote to memory of 3676	2192	InstallUtil.exe	84
PID 2192 wrote to memory of 3676	2192	InstallUtil.exe	84

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:568
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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:3032
  - - 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:3732
- - 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:4000
  - - 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:2296
- - 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:2192
  - - 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:3676

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/568-114-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/568-121-0x0000000004DD0000-0x0000000004DDF000-memory.dmp

Filesize
60KB

Download
memory/568-120-0x00000000048A0000-0x00000000048A1000-memory.dmp

Filesize
4KB

Download
memory/568-119-0x00000000048B0000-0x0000000004921000-memory.dmp

Filesize
452KB

Download
memory/568-118-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/568-117-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/568-116-0x0000000005410000-0x0000000005411000-memory.dmp

Filesize
4KB

Download
memory/2192-144-0x0000000002640000-0x0000000002641000-memory.dmp

Filesize
4KB

Download
memory/2216-122-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2296-141-0x0000000000980000-0x0000000000982000-memory.dmp

Filesize
8KB

Download
memory/3032-128-0x00000000032B0000-0x00000000032B1000-memory.dmp

Filesize
4KB

Download
memory/3032-126-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3676-148-0x0000000002120000-0x0000000002122000-memory.dmp

Filesize
8KB

Download
memory/3732-132-0x0000000002930000-0x0000000002932000-memory.dmp

Filesize
8KB

Download
memory/4000-136-0x0000000002950000-0x0000000002951000-memory.dmp

Filesize
4KB

Download