masslogger | ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180

Analysis

max time kernel
107s
max time network
112s
platform
windows7_x64
resource
win7-20220414-en
submitted
24-05-2022 14:49

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General

Target

ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe
Size

736KB
MD5

763d190b27f711f4af6716f60ce0fccd
SHA1

43a5ed2fceb7c0556fd6580dab8147f522872182
SHA256

ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180
SHA512

86ee5d1701919d4c0eb249f578986c1ea397f3baa16a4a06c79f5a06f05dd7a4ad0ebe82b18ab105af8892171d00b2477f3c81b54ebed69e2fc078fb05b8a369

Score

10^/10

masslogger ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.4.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/24/2022 5:28:48 PM MassLogger Started: 5/24/2022 5:28:37 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

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

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.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.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1688 set thread context of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
900	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	900	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27
PID 1688 wrote to memory of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27
PID 1688 wrote to memory of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27
PID 1688 wrote to memory of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27
PID 1688 wrote to memory of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27
PID 1688 wrote to memory of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27
PID 1688 wrote to memory of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27
PID 1688 wrote to memory of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27
PID 1688 wrote to memory of 900	1688	ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe	27

C:\Users\Admin\AppData\Local\Temp\ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe
"C:\Users\Admin\AppData\Local\Temp\ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe
  "C:\Users\Admin\AppData\Local\Temp\ce99da148d885ef2d3cd8d06a67f51d41faf2ba8aa32c26ce341a9783b9c2180.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/900-120-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-80-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-576-0x0000000000E05000-0x0000000000E16000-memory.dmp

Filesize
68KB

Download
memory/900-72-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-59-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-66-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-68-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-63-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-62-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-61-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-58-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-78-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-114-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-94-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-102-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-112-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-118-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-70-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-74-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-86-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-110-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-108-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-106-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-104-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-100-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-98-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-96-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-92-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-90-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-88-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-84-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-82-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-116-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/900-76-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1688-55-0x0000000075E31000-0x0000000075E33000-memory.dmp

Filesize
8KB

Download
memory/1688-57-0x00000000052B0000-0x0000000005360000-memory.dmp

Filesize
704KB

Download
memory/1688-54-0x0000000001360000-0x000000000141E000-memory.dmp

Filesize
760KB

Download
memory/1688-56-0x00000000003E0000-0x00000000003E8000-memory.dmp

Filesize
32KB

Download