a310logger | ca0b97098276e1885fe1b073572a0c5d25fd546b3b410aec44deb80a40296166

Analysis

max time kernel
153s
max time network
127s
platform
windows10_x64
resource
win10v20210408
submitted
01-09-2021 01:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NKP09741234.exe
Size

637KB
MD5

2865d38cb94c66a3a61f24582733bf05
SHA1

3449cb1b31c3553212b1fdb57e80e7e23225f424
SHA256

4a1274e4fd1d26d5449fa4516ed5e8b79367d9bae501174ac04ee146345e5043
SHA512

9d88df252bb52ad486788ddf6c3acfc7326236364ba96314e4fde0c08bcf99a8e395906ec0bbb4483b576145903e3243d7e104f14ccdb567af101e7c74c3c20b

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/3200-120-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/3200-121-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/1500-128-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral2/memory/2568-137-0x0000000000412452-mapping.dmp	family_stormkitty

A310logger Executable 10 IoCs

resource	yara_rule
behavioral2/memory/3200-120-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/memory/3200-121-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000200000001a4f4-124.dat	a310logger
behavioral2/files/0x000200000001a4f4-125.dat	a310logger
behavioral2/memory/1500-128-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000400000001ab41-132.dat	a310logger
behavioral2/files/0x000400000001ab41-133.dat	a310logger
behavioral2/memory/2568-137-0x0000000000412452-mapping.dmp	a310logger
behavioral2/files/0x000500000001ab41-140.dat	a310logger
behavioral2/files/0x000500000001ab41-141.dat	a310logger

Executes dropped EXE 3 IoCs

pid	Process
500	MZ.exe
2172	MZ.exe
3308	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 4796 set thread context of 4244	4796	NKP09741234.exe	74
PID 4244 set thread context of 3200	4244	NKP09741234.exe	75
PID 4244 set thread context of 1500	4244	NKP09741234.exe	81
PID 4244 set thread context of 2568	4244	NKP09741234.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 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
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
500	MZ.exe
500	MZ.exe
2172	MZ.exe
2172	MZ.exe
3308	MZ.exe
3308	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4244	NKP09741234.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4796	NKP09741234.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3200	InstallUtil.exe
Token: SeDebugPrivilege	500	MZ.exe
Token: SeDebugPrivilege	1500	InstallUtil.exe
Token: SeDebugPrivilege	2172	MZ.exe
Token: SeDebugPrivilege	2568	InstallUtil.exe
Token: SeDebugPrivilege	3308	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4244	NKP09741234.exe
4244	NKP09741234.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 4244	4796	NKP09741234.exe	74
PID 4796 wrote to memory of 4244	4796	NKP09741234.exe	74
PID 4796 wrote to memory of 4244	4796	NKP09741234.exe	74
PID 4796 wrote to memory of 4244	4796	NKP09741234.exe	74
PID 4244 wrote to memory of 3200	4244	NKP09741234.exe	75
PID 4244 wrote to memory of 3200	4244	NKP09741234.exe	75
PID 4244 wrote to memory of 3200	4244	NKP09741234.exe	75
PID 4244 wrote to memory of 3200	4244	NKP09741234.exe	75
PID 4244 wrote to memory of 3200	4244	NKP09741234.exe	75
PID 4244 wrote to memory of 3200	4244	NKP09741234.exe	75
PID 4244 wrote to memory of 3200	4244	NKP09741234.exe	75
PID 4244 wrote to memory of 3200	4244	NKP09741234.exe	75
PID 3200 wrote to memory of 500	3200	InstallUtil.exe	77
PID 3200 wrote to memory of 500	3200	InstallUtil.exe	77
PID 4244 wrote to memory of 1500	4244	NKP09741234.exe	81
PID 4244 wrote to memory of 1500	4244	NKP09741234.exe	81
PID 4244 wrote to memory of 1500	4244	NKP09741234.exe	81
PID 4244 wrote to memory of 1500	4244	NKP09741234.exe	81
PID 4244 wrote to memory of 1500	4244	NKP09741234.exe	81
PID 4244 wrote to memory of 1500	4244	NKP09741234.exe	81
PID 4244 wrote to memory of 1500	4244	NKP09741234.exe	81
PID 4244 wrote to memory of 1500	4244	NKP09741234.exe	81
PID 1500 wrote to memory of 2172	1500	InstallUtil.exe	82
PID 1500 wrote to memory of 2172	1500	InstallUtil.exe	82
PID 4244 wrote to memory of 2568	4244	NKP09741234.exe	83
PID 4244 wrote to memory of 2568	4244	NKP09741234.exe	83
PID 4244 wrote to memory of 2568	4244	NKP09741234.exe	83
PID 4244 wrote to memory of 2568	4244	NKP09741234.exe	83
PID 4244 wrote to memory of 2568	4244	NKP09741234.exe	83
PID 4244 wrote to memory of 2568	4244	NKP09741234.exe	83
PID 4244 wrote to memory of 2568	4244	NKP09741234.exe	83
PID 4244 wrote to memory of 2568	4244	NKP09741234.exe	83
PID 2568 wrote to memory of 3308	2568	InstallUtil.exe	84
PID 2568 wrote to memory of 3308	2568	InstallUtil.exe	84

C:\Users\Admin\AppData\Local\Temp\NKP09741234.exe
"C:\Users\Admin\AppData\Local\Temp\NKP09741234.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Users\Admin\AppData\Local\Temp\NKP09741234.exe
  "C:\Users\Admin\AppData\Local\Temp\NKP09741234.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4244
- - 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:3200
  - - 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:500
- - 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:1500
  - - 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:2172
- - 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:2568
  - - 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:3308

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

Loading Replay Monitor...

Downloads

memory/500-126-0x0000000000E40000-0x0000000000E42000-memory.dmp

Filesize
8KB

Download
memory/1500-130-0x00000000026F0000-0x00000000026F1000-memory.dmp

Filesize
4KB

Download
memory/2172-135-0x00000000023D0000-0x00000000023D2000-memory.dmp

Filesize
8KB

Download
memory/2568-138-0x0000000002E00000-0x0000000002E01000-memory.dmp

Filesize
4KB

Download
memory/3200-122-0x00000000012B0000-0x00000000012B1000-memory.dmp

Filesize
4KB

Download
memory/3200-120-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3308-142-0x0000000000820000-0x0000000000822000-memory.dmp

Filesize
8KB

Download
memory/4244-119-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4796-117-0x0000000001B40000-0x0000000001C7C000-memory.dmp

Filesize
1.2MB

Download
memory/4796-118-0x0000000001B40000-0x0000000001C7C000-memory.dmp

Filesize
1.2MB

Download