masslogger | 44fee899ebeec1324a812d88a40d9f68824baec113e7520385d1f6a658e2ec84

General

Target

TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
Size

922KB
MD5

6d37e918a7aeec2a9ebde6092dc75d72
SHA1

ee76d5b79861aaacaae30ee7cea264324f26752e
SHA256

45970f8f1497ab648eb24a71690d876dc6e18ed42e95da854252ec79b7939ab6
SHA512

b6b1689854c52283d1debc2380b081f068684be8ab181487e29a22bb5da045aafebae3129c7cab7513a705368493f4b6d10a407548a19b5dd6b6e4100000689c

Score

10^/10

masslogger ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.2.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:37:11 PM MassLogger Started: 5/21/2022 2:36:23 PM Interval: 6 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\TT COPY osdnsufsuifhsifudsujdfs,,,,.exe As Administrator: True

Signatures

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

MassLogger Main Payload 32 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4612-138-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-140-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-142-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-144-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-146-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-148-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-150-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-152-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-154-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-156-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-158-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-160-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-162-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-164-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-166-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-168-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-170-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-172-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-174-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-176-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-178-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-180-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-182-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-184-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-186-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-188-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-190-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-192-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-194-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-196-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-198-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/4612-200-0x0000000000400000-0x00000000004A6000-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 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

TT COPY osdnsufsuifhsifudsujdfs,,,,.exeTT COPY osdnsufsuifhsifudsujdfs,,,,.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

48 api.ipify.org
49 api.ipify.org

flow	ioc
48	api.ipify.org
49	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

description	pid	process	target process
PID 2500 set thread context of 4612	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4356 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

pid process

4612 TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

TT COPY osdnsufsuifhsifudsujdfs,,,,.exeTT COPY osdnsufsuifhsifudsujdfs,,,,.exe

pid process

2500 TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
4612 TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

pid	process
4356	schtasks.exe

pid	process
4612	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

pid	process
2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
4612	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TT COPY osdnsufsuifhsifudsujdfs,,,,.exeTT COPY osdnsufsuifhsifudsujdfs,,,,.exe

description	pid	process
Token: SeDebugPrivilege	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
Token: SeDebugPrivilege	4612	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

pid process

4612 TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

pid	process
4612	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

description	pid	process	target process
PID 2500 wrote to memory of 4356	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	schtasks.exe
PID 2500 wrote to memory of 4356	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	schtasks.exe
PID 2500 wrote to memory of 4356	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	schtasks.exe
PID 2500 wrote to memory of 4612	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
PID 2500 wrote to memory of 4612	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
PID 2500 wrote to memory of 4612	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
PID 2500 wrote to memory of 4612	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
PID 2500 wrote to memory of 4612	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
PID 2500 wrote to memory of 4612	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
PID 2500 wrote to memory of 4612	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
PID 2500 wrote to memory of 4612	2500	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe	TT COPY osdnsufsuifhsifudsujdfs,,,,.exe

C:\Users\Admin\AppData\Local\Temp\TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
"C:\Users\Admin\AppData\Local\Temp\TT COPY osdnsufsuifhsifudsujdfs,,,,.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LjpUwXOPn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp68FB.tmp"
2⤵
- Creates scheduled task(s)
PID:4356

C:\Users\Admin\AppData\Local\Temp\TT COPY osdnsufsuifhsifudsujdfs,,,,.exe
"{path}"
2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4612

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp68FB.tmp
Filesize
1KB

MD5
b8dd0826b2fd9c0874da9312be81d750

SHA1
68a900e07ea2dcb78f2a07b7c0beaa752d8b1e1e

SHA256
6fb9ee2f881c79e33c5f6c32f0cbe9eb8194fafe0ff216653310769f6e32e7b2

SHA512
17ff6f9ba522f673e86074083502bfbac335515e6002ef9451ed841c9f5a88652178c8689bc29816c612489e92eb57a6c1abc36ede68fa05c7f57fd0474b4c7c

Download Submit
memory/2500-130-0x0000000000270000-0x000000000035E000-memory.dmp

Filesize
952KB

Download
memory/2500-131-0x0000000007610000-0x0000000007BB4000-memory.dmp

Filesize
5.6MB

Download
memory/2500-132-0x0000000007100000-0x0000000007192000-memory.dmp

Filesize
584KB

Download
memory/2500-133-0x00000000070A0000-0x00000000070AA000-memory.dmp

Filesize
40KB

Download
memory/2500-134-0x000000000ADB0000-0x000000000AE4C000-memory.dmp

Filesize
624KB

Download
memory/4356-135-0x0000000000000000-mapping.dmp

Download
memory/4612-162-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-170-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-140-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-142-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-144-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-146-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-148-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-150-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-152-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-154-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-156-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-158-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-160-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-137-0x0000000000000000-mapping.dmp

Download
memory/4612-164-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-166-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-168-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-138-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-172-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-174-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-176-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-178-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-180-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-182-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-184-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-186-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-188-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-190-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-192-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-194-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-196-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-198-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-200-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4612-639-0x0000000006590000-0x00000000065F6000-memory.dmp

Filesize
408KB

Download
memory/4612-640-0x0000000006C40000-0x0000000006C90000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads