a310logger | 9fd0e322d18f9aa1419a05f6df740f13187b61e3643d78ad8b39821b27756f39

General

Target

DC9087009000.exe
Size

564KB
MD5

1a38c8b2bd82b0c0efd9bcdd6a02d5c8
SHA1

6ce1c0fb181c34931809ceac48d36c7c2b40e769
SHA256

99725d77056555125ea584b0ea92984abdb963950773181c61808a45ab3905a4
SHA512

0b29c653c15552ee2dde3e3acae1397f8642d4f26d635b9d3f5b25e1aafb25d6df1f78053d5cbc4ebf43c0ffda6f1ef2e8f0b367e0480dec5bcfc2c2a409ae7a

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

Processes:

resource	yara_rule
behavioral1/memory/1928-71-0x0000000000412452-mapping.dmp	family_stormkitty
behavioral1/memory/1928-70-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty

A310logger Executable 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1928-71-0x0000000000412452-mapping.dmp	a310logger
behavioral1/memory/1928-70-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe	a310logger

Executes dropped EXE 1 IoCs

Processes:

MZ.exe

pid process

520 MZ.exe
Loads dropped DLL 1 IoCs

Processes:

InstallUtil.exe

pid process

1928 InstallUtil.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.

Processes:

flow ioc

5 icanhazip.com
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.

pid	process
520	MZ.exe

pid	process
1928	InstallUtil.exe

flow	ioc
5	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

Processes:

DC9087009000.exeDC9087009000.exe

description	pid	process	target process
PID 1072 set thread context of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1396 set thread context of 1928	1396	DC9087009000.exe	InstallUtil.exe

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 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

InstallUtil.exe

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

Processes:

MZ.exe

pid process

520 MZ.exe
520 MZ.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

DC9087009000.exe

pid process

1396 DC9087009000.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MZ.exe

description pid process

Token: SeDebugPrivilege 520 MZ.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

DC9087009000.exe

pid process

1396 DC9087009000.exe
1396 DC9087009000.exe

pid	process
520	MZ.exe
520	MZ.exe

pid	process
1396	DC9087009000.exe

description	pid	process
Token: SeDebugPrivilege	520	MZ.exe

pid	process
1396	DC9087009000.exe
1396	DC9087009000.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

DC9087009000.exeDC9087009000.exeInstallUtil.exe

description	pid	process	target process
PID 1072 wrote to memory of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1072 wrote to memory of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1072 wrote to memory of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1072 wrote to memory of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1072 wrote to memory of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1072 wrote to memory of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1072 wrote to memory of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1072 wrote to memory of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1072 wrote to memory of 1396	1072	DC9087009000.exe	DC9087009000.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1396 wrote to memory of 1928	1396	DC9087009000.exe	InstallUtil.exe
PID 1928 wrote to memory of 520	1928	InstallUtil.exe	MZ.exe
PID 1928 wrote to memory of 520	1928	InstallUtil.exe	MZ.exe
PID 1928 wrote to memory of 520	1928	InstallUtil.exe	MZ.exe
PID 1928 wrote to memory of 520	1928	InstallUtil.exe	MZ.exe

C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe
"C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1072

C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe
"C:\Users\Admin\AppData\Local\Temp\DC9087009000.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
3⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1928

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:520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

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memory/520-76-0x0000000000000000-mapping.dmp

Download
memory/520-79-0x0000000002000000-0x0000000002002000-memory.dmp

Filesize
8KB

Download
memory/1072-62-0x0000000000EB0000-0x0000000000F21000-memory.dmp

Filesize
452KB

Download
memory/1072-63-0x00000000004C0000-0x00000000004CF000-memory.dmp

Filesize
60KB

Download
memory/1072-64-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

Filesize
4KB

Download
memory/1072-60-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/1396-66-0x00000000004024E0-mapping.dmp

Download
memory/1396-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1396-69-0x0000000075411000-0x0000000075413000-memory.dmp

Filesize
8KB

Download
memory/1396-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1928-74-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/1928-70-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1928-71-0x0000000000412452-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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