masslogger | f41bedae4a2cc28de89206c24da2cefd255d66816f3ecba23a8377a76f59e15d

Analysis

max time kernel
119s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-05-2024 12:41

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General

Target

Halkbank.exe
Size

1.5MB
MD5

17b4f6c8e030bcc1516f978f1f159ff8
SHA1

e4c5faff829cb346c6bb0b15716a6a260b89101f
SHA256

9ce382b1991be3ae8fa744c4abf5d450ee9d376da295dfee8ca565551e75a9b0
SHA512

adb100e1f52bc096cc23c5a5a82a2d5f581b6477e84f8641ced130249264dd3cb708e3b1e1e43ae7f50e6853bb2dd1cdff6421012896361eda8688d750116be4
SSDEEP

24576:xZyLaHxaFxJ3pJxhqyxmF7CZxZyLaHxaFxJ3pJxhqyxmF7CZOUa:xrHxexJ3rxhE2ZxrHxexJ3rxhE2ZO

Score

10^/10

masslogger zgrat collection rat spyware stealer

Malware Config

Signatures

Detect ZGRat V1 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2768-10-0x0000000000400000-0x0000000000486000-memory.dmp	family_zgrat_v1
behavioral1/memory/2768-18-0x0000000000400000-0x0000000000486000-memory.dmp	family_zgrat_v1
behavioral1/memory/2768-21-0x0000000000400000-0x0000000000486000-memory.dmp	family_zgrat_v1
behavioral1/memory/2768-16-0x0000000000400000-0x0000000000486000-memory.dmp	family_zgrat_v1
behavioral1/memory/2768-12-0x0000000000400000-0x0000000000486000-memory.dmp	family_zgrat_v1

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2768-10-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2768-18-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2768-21-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2768-16-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2768-12-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Halkbank.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\International\Geo\Nation	Halkbank.exe

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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

Processes:

Halkbank.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Halkbank.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Halkbank.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Halkbank.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Halkbank.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe

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
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

Halkbank.exe

description	pid	Process	procid_target
PID 1300 set thread context of 2768	1300	Halkbank.exe	31

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Halkbank.exe

pid	Process
2768	Halkbank.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Halkbank.exeHalkbank.exe

pid	Process
1300	Halkbank.exe
1300	Halkbank.exe
1300	Halkbank.exe
2768	Halkbank.exe
2768	Halkbank.exe
2768	Halkbank.exe
2768	Halkbank.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Halkbank.exeHalkbank.exe

description	pid	Process
Token: SeDebugPrivilege	1300	Halkbank.exe
Token: SeDebugPrivilege	2768	Halkbank.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Halkbank.exe

pid	Process
2768	Halkbank.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Halkbank.exe

description	pid	Process	procid_target
PID 1300 wrote to memory of 2596	1300	Halkbank.exe	30
PID 1300 wrote to memory of 2596	1300	Halkbank.exe	30
PID 1300 wrote to memory of 2596	1300	Halkbank.exe	30
PID 1300 wrote to memory of 2596	1300	Halkbank.exe	30
PID 1300 wrote to memory of 2768	1300	Halkbank.exe	31
PID 1300 wrote to memory of 2768	1300	Halkbank.exe	31
PID 1300 wrote to memory of 2768	1300	Halkbank.exe	31
PID 1300 wrote to memory of 2768	1300	Halkbank.exe	31
PID 1300 wrote to memory of 2768	1300	Halkbank.exe	31
PID 1300 wrote to memory of 2768	1300	Halkbank.exe	31
PID 1300 wrote to memory of 2768	1300	Halkbank.exe	31
PID 1300 wrote to memory of 2768	1300	Halkbank.exe	31
PID 1300 wrote to memory of 2768	1300	Halkbank.exe	31

outlook_office_path 1 IoCs

Processes:

Halkbank.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe

outlook_win_path 1 IoCs

Processes:

Halkbank.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\Halkbank.exe
  "{path}"
  2⤵
  PID:2596
- C:\Users\Admin\AppData\Local\Temp\Halkbank.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1300-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/1300-1-0x0000000001060000-0x00000000011E8000-memory.dmp

Filesize
1.5MB

Download
memory/1300-2-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/1300-3-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1300-4-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/1300-5-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1300-6-0x0000000005080000-0x0000000005120000-memory.dmp

Filesize
640KB

Download
memory/1300-7-0x0000000004C40000-0x0000000004CDA000-memory.dmp

Filesize
616KB

Download
memory/1300-23-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-18-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2768-9-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2768-22-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-21-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2768-16-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2768-12-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2768-8-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2768-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-10-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2768-24-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-25-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-26-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download