masslogger | 64661c33491d2f36f4012a5654e972dd2fe5440d1243a31c331ad37d7b8329d9

General

Target

inquiry specification.exe
Size

1.0MB
MD5

96ded925029c99194d0d559c6d7d6923
SHA1

807bb539671bf77090cb96000c01248080b467a9
SHA256

9a39817abcaf9b2ad45fecd4aec867e6989ece31d2dd41410622af0fc6547444
SHA512

6183c4a9540b00d5698bbe6c200aeba8ecf1e53ea17e3c97cd790c143f1cfc8cb27ca50d159f179e85917398d6191c9e3b75b33fb62bc8c90e75dc35e6c48cd5

Score

10^/10

masslogger spyware stealer

Malware Config

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/4540-138-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-141-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-143-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-145-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-147-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-149-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-151-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-153-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-155-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-157-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-159-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-161-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-163-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-165-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-167-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-169-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-171-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-173-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-175-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-177-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-179-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-181-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-183-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-185-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-187-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-189-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-191-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-193-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-195-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-197-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-199-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger
behavioral2/memory/4540-201-0x0000000000400000-0x00000000004B2000-memory.dmp	family_masslogger

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:

inquiry specification.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	inquiry specification.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

inquiry specification.exe

description pid process target process

PID 3128 set thread context of 4540 3128 inquiry specification.exe inquiry specification.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

4996 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

inquiry specification.exepowershell.exe

pid process

3128 inquiry specification.exe
3128 inquiry specification.exe
3128 inquiry specification.exe
1152 powershell.exe
1152 powershell.exe

description	pid	process	target process
PID 3128 set thread context of 4540	3128	inquiry specification.exe	inquiry specification.exe

pid	process
4996	schtasks.exe

pid	process
3128	inquiry specification.exe
3128	inquiry specification.exe
3128	inquiry specification.exe
1152	powershell.exe
1152	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

inquiry specification.exeinquiry specification.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3128	inquiry specification.exe
Token: SeDebugPrivilege	4540	inquiry specification.exe
Token: SeDebugPrivilege	1152	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

inquiry specification.exeinquiry specification.execmd.exe

description	pid	process	target process
PID 3128 wrote to memory of 4996	3128	inquiry specification.exe	schtasks.exe
PID 3128 wrote to memory of 4996	3128	inquiry specification.exe	schtasks.exe
PID 3128 wrote to memory of 4996	3128	inquiry specification.exe	schtasks.exe
PID 3128 wrote to memory of 4540	3128	inquiry specification.exe	inquiry specification.exe
PID 3128 wrote to memory of 4540	3128	inquiry specification.exe	inquiry specification.exe
PID 3128 wrote to memory of 4540	3128	inquiry specification.exe	inquiry specification.exe
PID 3128 wrote to memory of 4540	3128	inquiry specification.exe	inquiry specification.exe
PID 3128 wrote to memory of 4540	3128	inquiry specification.exe	inquiry specification.exe
PID 3128 wrote to memory of 4540	3128	inquiry specification.exe	inquiry specification.exe
PID 3128 wrote to memory of 4540	3128	inquiry specification.exe	inquiry specification.exe
PID 3128 wrote to memory of 4540	3128	inquiry specification.exe	inquiry specification.exe
PID 4540 wrote to memory of 1980	4540	inquiry specification.exe	cmd.exe
PID 4540 wrote to memory of 1980	4540	inquiry specification.exe	cmd.exe
PID 4540 wrote to memory of 1980	4540	inquiry specification.exe	cmd.exe
PID 1980 wrote to memory of 1152	1980	cmd.exe	powershell.exe
PID 1980 wrote to memory of 1152	1980	cmd.exe	powershell.exe
PID 1980 wrote to memory of 1152	1980	cmd.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\inquiry specification.exe
"C:\Users\Admin\AppData\Local\Temp\inquiry specification.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3128

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pabVlICD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39BD.tmp"
2⤵
- Creates scheduled task(s)
PID:4996

C:\Users\Admin\AppData\Local\Temp\inquiry specification.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4540

C:\Windows\SysWOW64\cmd.exe
"cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\inquiry specification.exe' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\inquiry specification.exe'
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\inquiry specification.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp39BD.tmp
Filesize
1KB

MD5
7ee58c302e08a509b52707b3b931ae76

SHA1
e9e897df1703addb5b9bb9981a76f592c818fb74

SHA256
8519815f0a9e8c76b550f45eac0d58606961afc1bb13205dad588d60fd0fe70b

SHA512
2f5533f7256de771657395c66102056bebbf5ce6af08607191c3fd1c43e00eed73920dfdc734d653a5eed0daa8373583f64c50aec673d242ac756aa1eb883c2b

Download Submit
memory/1152-665-0x0000000005F40000-0x0000000005F5A000-memory.dmp

Filesize
104KB

Download
memory/1152-658-0x0000000000000000-mapping.dmp

Download
memory/1152-659-0x0000000002120000-0x0000000002156000-memory.dmp

Filesize
216KB

Download
memory/1152-660-0x0000000004C20000-0x0000000005248000-memory.dmp

Filesize
6.2MB

Download
memory/1152-661-0x0000000004A80000-0x0000000004AA2000-memory.dmp

Filesize
136KB

Download
memory/1152-662-0x0000000005300000-0x0000000005366000-memory.dmp

Filesize
408KB

Download
memory/1152-663-0x0000000005A50000-0x0000000005A6E000-memory.dmp

Filesize
120KB

Download
memory/1152-664-0x0000000007090000-0x000000000770A000-memory.dmp

Filesize
6.5MB

Download
memory/1152-667-0x0000000006020000-0x0000000006042000-memory.dmp

Filesize
136KB

Download
memory/1152-666-0x0000000006CB0000-0x0000000006D46000-memory.dmp

Filesize
600KB

Download
memory/1980-657-0x0000000000000000-mapping.dmp

Download
memory/3128-134-0x0000000007F80000-0x000000000801C000-memory.dmp

Filesize
624KB

Download
memory/3128-133-0x0000000005250000-0x000000000525A000-memory.dmp

Filesize
40KB

Download
memory/3128-132-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/3128-131-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/3128-130-0x00000000007C0000-0x00000000008C6000-memory.dmp

Filesize
1.0MB

Download
memory/4540-169-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-187-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-157-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-159-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-161-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-163-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-165-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-167-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-153-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-171-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-173-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-175-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-177-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-179-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-181-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-183-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-185-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-155-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-189-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-191-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-193-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-195-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-197-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-151-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-149-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-147-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-145-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-143-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-141-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-138-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-137-0x0000000000000000-mapping.dmp

Download
memory/4540-199-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-201-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4540-656-0x00000000051D0000-0x0000000005236000-memory.dmp

Filesize
408KB

Download
memory/4996-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads