masslogger | cc602ef0870ed8924eab19ab738d43ef1380e021abc732fc099718a86c306d0c

Analysis

max time kernel
84s
max time network
140s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 12:16

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General

Target

DHL_MAY_.exe
Size

1.3MB
MD5

0d094405e0f1c07d1af0c62c69f0feae
SHA1

41ca81f1eeea2cb539d5a2b34199d25f47a8671b
SHA256

a16d191db58b4a988abfb3b12098ee3301d84a81d8feba8cb537857a573c86be
SHA512

0afb01e428a105f8fdc342a2e74696ef6040f25fd8777a8962bccc98d5741c7ddc46edf5fd9cf06a6a0bd555d323ee1ed06bf170e3b2eabd4d8e483ce68046cd

Score

10^/10

masslogger agilenet ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\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: 5/21/2022 3:05:47 PM MassLogger Started: 5/21/2022 3:05:32 PM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\DHL_MAY_.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 Main Payload 34 IoCs

Processes:

resource	yara_rule
behavioral1/memory/756-54-0x0000000000E80000-0x0000000000FD4000-memory.dmp	family_masslogger
behavioral1/memory/1172-61-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-62-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-63-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-64-0x00000000004ABEAE-mapping.dmp	family_masslogger
behavioral1/memory/1172-66-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-68-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-70-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-72-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-74-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-76-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-78-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-80-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-82-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-84-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-86-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-88-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-90-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-92-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-94-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-96-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-98-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-100-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-102-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-104-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-108-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-106-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-110-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-112-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-114-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-116-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-118-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-120-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1172-122-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger

MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

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

Processes:

DHL_MAY_.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	DHL_MAY_.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/756-55-0x0000000000280000-0x0000000000294000-memory.dmp	agile_net

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:

DHL_MAY_.exe

description pid process target process

PID 756 set thread context of 1172 756 DHL_MAY_.exe DHL_MAY_.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DHL_MAY_.exeDHL_MAY_.exe

pid process

756 DHL_MAY_.exe
756 DHL_MAY_.exe
756 DHL_MAY_.exe
1172 DHL_MAY_.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL_MAY_.exeDHL_MAY_.exe

description pid process

Token: SeDebugPrivilege 756 DHL_MAY_.exe
Token: SeDebugPrivilege 1172 DHL_MAY_.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 756 set thread context of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe

pid	process
756	DHL_MAY_.exe
756	DHL_MAY_.exe
756	DHL_MAY_.exe
1172	DHL_MAY_.exe

description	pid	process
Token: SeDebugPrivilege	756	DHL_MAY_.exe
Token: SeDebugPrivilege	1172	DHL_MAY_.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

DHL_MAY_.exe

description	pid	process	target process
PID 756 wrote to memory of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe
PID 756 wrote to memory of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe
PID 756 wrote to memory of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe
PID 756 wrote to memory of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe
PID 756 wrote to memory of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe
PID 756 wrote to memory of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe
PID 756 wrote to memory of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe
PID 756 wrote to memory of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe
PID 756 wrote to memory of 1172	756	DHL_MAY_.exe	DHL_MAY_.exe

C:\Users\Admin\AppData\Local\Temp\DHL_MAY_.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_MAY_.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756
- C:\Users\Admin\AppData\Local\Temp\DHL_MAY_.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL_MAY_.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1172

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/756-54-0x0000000000E80000-0x0000000000FD4000-memory.dmp

Filesize
1.3MB

Download
memory/756-55-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/756-56-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/756-57-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/1172-58-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-59-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-61-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-62-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-63-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-64-0x00000000004ABEAE-mapping.dmp

Download
memory/1172-66-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-68-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-70-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-72-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-74-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-76-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-78-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-80-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-82-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-84-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-86-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-88-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-90-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-92-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-94-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-96-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-98-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-100-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-102-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-104-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-108-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-106-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-110-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-112-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-114-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-116-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-118-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-120-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-122-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1172-577-0x0000000000510000-0x0000000000554000-memory.dmp

Filesize
272KB

Download
memory/1172-579-0x0000000000BE5000-0x0000000000BF6000-memory.dmp

Filesize
68KB

Download