masslogger | 3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6

General

Target

3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
Size

1.1MB
MD5

8f24b253707ee062028f4f37bf60d6dd
SHA1

60fa74141d87f491286b2a38b75b3bde0b8ef965
SHA256

3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6
SHA512

7e30fcc74d17f0855befa0f505ef7c1ad87cca390ad26bb3230db817bdf114dbce3bb4a559846756ba5f5bd96e90defa43c56b490bd6d233f9bcd131657eb506

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4896-138-0x0000000000400000-0x0000000000486000-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:

3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe

description	pid	process	target process
PID 3356 set thread context of 4896	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.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

4200 schtasks.exe

pid	process
4200	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exepowershell.exe

pid	process
3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
4896	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
4896	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
1956	powershell.exe
1956	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
Token: SeDebugPrivilege	4896	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
Token: SeDebugPrivilege	1956	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe

description	pid	process	target process
PID 3356 wrote to memory of 4200	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	schtasks.exe
PID 3356 wrote to memory of 4200	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	schtasks.exe
PID 3356 wrote to memory of 4200	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	schtasks.exe
PID 3356 wrote to memory of 4896	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
PID 3356 wrote to memory of 4896	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
PID 3356 wrote to memory of 4896	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
PID 3356 wrote to memory of 4896	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
PID 3356 wrote to memory of 4896	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
PID 3356 wrote to memory of 4896	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
PID 3356 wrote to memory of 4896	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
PID 3356 wrote to memory of 4896	3356	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
PID 4896 wrote to memory of 1956	4896	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	powershell.exe
PID 4896 wrote to memory of 1956	4896	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	powershell.exe
PID 4896 wrote to memory of 1956	4896	3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
"C:\Users\Admin\AppData\Local\Temp\3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HIivnuqlNmBNzg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A9A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4200
- C:\Users\Admin\AppData\Local\Temp\3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4896
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1956

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3dfefad046578caa39178500f200621e0b303e1079998f058ecc29e3cf8fd6b6.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2A9A.tmp

Filesize
1KB

MD5
a1b30e2264e7eea50346d6432e8fc2f6

SHA1
d7865695ee65c082eb1c83d4c6f3766ff7c5cd83

SHA256
f55fc298e9a33dde2d9bd93755d905b50aba8bbc413e2883c877873cde739d60

SHA512
30791dbfe6fcccb07eedf2ec392df02a49b642262ad202bbdc1004353e5adc195df424e3fbff7a7b9f5a41b487daea4ae87109141e32aab1dbd458555178e903

Download Submit
memory/1956-142-0x0000000002DB0000-0x0000000002DE6000-memory.dmp

Filesize
216KB

Download
memory/1956-143-0x00000000058A0000-0x0000000005EC8000-memory.dmp

Filesize
6.2MB

Download
memory/1956-147-0x0000000005265000-0x0000000005267000-memory.dmp

Filesize
8KB

Download
memory/1956-146-0x00000000066E0000-0x00000000066FE000-memory.dmp

Filesize
120KB

Download
memory/1956-145-0x0000000006000000-0x0000000006066000-memory.dmp

Filesize
408KB

Download
memory/1956-151-0x0000000006CC0000-0x0000000006CE2000-memory.dmp

Filesize
136KB

Download
memory/1956-150-0x0000000007750000-0x00000000077E6000-memory.dmp

Filesize
600KB

Download
memory/1956-144-0x0000000005810000-0x0000000005832000-memory.dmp

Filesize
136KB

Download
memory/1956-149-0x0000000006B80000-0x0000000006B9A000-memory.dmp

Filesize
104KB

Download
memory/1956-141-0x0000000000000000-mapping.dmp

Download
memory/1956-148-0x0000000007D30000-0x00000000083AA000-memory.dmp

Filesize
6.5MB

Download
memory/3356-132-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/3356-131-0x0000000005F70000-0x0000000006514000-memory.dmp

Filesize
5.6MB

Download
memory/3356-133-0x0000000005B50000-0x0000000005B5A000-memory.dmp

Filesize
40KB

Download
memory/3356-130-0x0000000000EF0000-0x000000000100A000-memory.dmp

Filesize
1.1MB

Download
memory/3356-134-0x0000000007F30000-0x0000000007FCC000-memory.dmp

Filesize
624KB

Download
memory/4200-135-0x0000000000000000-mapping.dmp

Download
memory/4896-140-0x0000000005D10000-0x0000000005D76000-memory.dmp

Filesize
408KB

Download
memory/4896-138-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4896-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads