masslogger | 3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751

Analysis

max time kernel
35s
max time network
54s
platform
windows7_x64
resource
win7-20220414-en
submitted
17-04-2022 07:39

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General

Target

3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751.exe
Size

801KB
MD5

6e35405fc20287198df423dd9f5ec3a9
SHA1

66ccf52c2a20fa535883490cf5acc526e41d8a96
SHA256

3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751
SHA512

27f0d40108268c2aa7bc711dd4f9caa71a2cfbd942b7fbf61428ac54a17e5a253e15d3c82eacc0def124e8242a3d599f39efac1da480fd277cdf7271487db484

Score

10^/10

masslogger collection 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 7 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe	family_masslogger
\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe	family_masslogger
\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe	family_masslogger
\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe	family_masslogger
C:\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe	family_masslogger
C:\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe	family_masslogger
behavioral1/memory/1740-69-0x0000000000330000-0x00000000003B6000-memory.dmp	family_masslogger

Executes dropped EXE 2 IoCs

Processes:

scaM4.sfx.exescaM4.exe

pid process

520 scaM4.sfx.exe
1740 scaM4.exe
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:

scaM4.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation scaM4.exe
Loads dropped DLL 5 IoCs

Processes:

cmd.exescaM4.sfx.exe

pid process

1648 cmd.exe
520 scaM4.sfx.exe
520 scaM4.sfx.exe
520 scaM4.sfx.exe
520 scaM4.sfx.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
520	scaM4.sfx.exe
1740	scaM4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	scaM4.exe

pid	process
1648	cmd.exe
520	scaM4.sfx.exe
520	scaM4.sfx.exe
520	scaM4.sfx.exe
520	scaM4.sfx.exe

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

Processes:

scaM4.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	scaM4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	scaM4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	scaM4.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.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

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

System Information Discovery
T1082
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

scaM4.exe

pid process

1740 scaM4.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

scaM4.exe

pid process

1740 scaM4.exe
1740 scaM4.exe
1740 scaM4.exe
1740 scaM4.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

scaM4.exe

description pid process

Token: SeDebugPrivilege 1740 scaM4.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

scaM4.exe

pid process

1740 scaM4.exe

flow	ioc
4	api.ipify.org
3	api.ipify.org

pid	process
1740	scaM4.exe

pid	process
1740	scaM4.exe
1740	scaM4.exe
1740	scaM4.exe
1740	scaM4.exe

description	pid	process
Token: SeDebugPrivilege	1740	scaM4.exe

pid	process
1740	scaM4.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751.execmd.exescaM4.sfx.exe

description	pid	process	target process
PID 1664 wrote to memory of 1648	1664	3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751.exe	cmd.exe
PID 1664 wrote to memory of 1648	1664	3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751.exe	cmd.exe
PID 1664 wrote to memory of 1648	1664	3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751.exe	cmd.exe
PID 1664 wrote to memory of 1648	1664	3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751.exe	cmd.exe
PID 1648 wrote to memory of 520	1648	cmd.exe	scaM4.sfx.exe
PID 1648 wrote to memory of 520	1648	cmd.exe	scaM4.sfx.exe
PID 1648 wrote to memory of 520	1648	cmd.exe	scaM4.sfx.exe
PID 1648 wrote to memory of 520	1648	cmd.exe	scaM4.sfx.exe
PID 520 wrote to memory of 1740	520	scaM4.sfx.exe	scaM4.exe
PID 520 wrote to memory of 1740	520	scaM4.sfx.exe	scaM4.exe
PID 520 wrote to memory of 1740	520	scaM4.sfx.exe	scaM4.exe
PID 520 wrote to memory of 1740	520	scaM4.sfx.exe	scaM4.exe

outlook_office_path 1 IoCs

Processes:

scaM4.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe

outlook_win_path 1 IoCs

Processes:

scaM4.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scaM4.exe

C:\Users\Admin\AppData\Local\Temp\3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751.exe
"C:\Users\Admin\AppData\Local\Temp\3160373c517409c5ffe486b451db20e19751d16a6f414976fcfc90d7b555b751.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\kfdjtodfg.bat" "
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\scaM4.sfx.exe
    scaM4.sfx.exe -poffice@123 -dC:\Users\Admin\AppData\Local\Temp
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:520
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Accesses Microsoft Outlook profiles
      Suspicious behavior: AddClipboardFormatListener
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      outlook_office_path
      outlook_win_path
      PID:1740

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\kfdjtodfg.bat

Filesize
35B

MD5
5787646a9c100201e3920e5b2b29a7cc

SHA1
9a8de43eb29c2d3c7765546cd9aa825ae333b7bf

SHA256
56d94071a48f790cbb1373aca3183123f58f0954c7290dce88a528bdb37467e6

SHA512
2c46ad432db834668e30885ae987b7e226d53c865cfaf8849fe3c2fd7f96f8eb2c3d70bfb5e4c0972b7b3e534d05ae9c5ffd9938e280974b3e8c58a6d9cdbfd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\scaM4.sfx.exe

Filesize
640KB

MD5
7dc1a43128f3a07a86d7b56fed78b9c8

SHA1
1ea701c4bdab08e3f407a2977613e2a2d15cdee9

SHA256
ce4f632430c8bde01a294f1f48a071adacd033f2ad3a171283519272683f092e

SHA512
a41f0255d41d76a138e882a71969eadd243b60d9014101a32a4bde1437abf9b34c036c08e7e975640acf3beb6c1b7d29ca8ebadd57a566e12da28d9935af7f86

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\scaM4.sfx.exe

Filesize
640KB

MD5
7dc1a43128f3a07a86d7b56fed78b9c8

SHA1
1ea701c4bdab08e3f407a2977613e2a2d15cdee9

SHA256
ce4f632430c8bde01a294f1f48a071adacd033f2ad3a171283519272683f092e

SHA512
a41f0255d41d76a138e882a71969eadd243b60d9014101a32a4bde1437abf9b34c036c08e7e975640acf3beb6c1b7d29ca8ebadd57a566e12da28d9935af7f86

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe

Filesize
513KB

MD5
c4b5ec962f077666ed1e134c8be5b82c

SHA1
d5dcb06128e31e41f168761cad8aa1dd3ef88edd

SHA256
c52886aea5a1fc56822e8d9335784032e7bd16dd89e8dd3739f6ff7b67b2921b

SHA512
c9a44363074fb05c84b33c8bfd75fdbb50b4bad76d06ad59759d768ad7b5bf60d7d5df8d41a57a54df2e6c65fb3b85464a82ee41ddc4177569513f815f160f14

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe

Filesize
513KB

MD5
c4b5ec962f077666ed1e134c8be5b82c

SHA1
d5dcb06128e31e41f168761cad8aa1dd3ef88edd

SHA256
c52886aea5a1fc56822e8d9335784032e7bd16dd89e8dd3739f6ff7b67b2921b

SHA512
c9a44363074fb05c84b33c8bfd75fdbb50b4bad76d06ad59759d768ad7b5bf60d7d5df8d41a57a54df2e6c65fb3b85464a82ee41ddc4177569513f815f160f14

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\scaM4.sfx.exe

Filesize
640KB

MD5
7dc1a43128f3a07a86d7b56fed78b9c8

SHA1
1ea701c4bdab08e3f407a2977613e2a2d15cdee9

SHA256
ce4f632430c8bde01a294f1f48a071adacd033f2ad3a171283519272683f092e

SHA512
a41f0255d41d76a138e882a71969eadd243b60d9014101a32a4bde1437abf9b34c036c08e7e975640acf3beb6c1b7d29ca8ebadd57a566e12da28d9935af7f86

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe

Filesize
513KB

MD5
c4b5ec962f077666ed1e134c8be5b82c

SHA1
d5dcb06128e31e41f168761cad8aa1dd3ef88edd

SHA256
c52886aea5a1fc56822e8d9335784032e7bd16dd89e8dd3739f6ff7b67b2921b

SHA512
c9a44363074fb05c84b33c8bfd75fdbb50b4bad76d06ad59759d768ad7b5bf60d7d5df8d41a57a54df2e6c65fb3b85464a82ee41ddc4177569513f815f160f14

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe

Filesize
513KB

MD5
c4b5ec962f077666ed1e134c8be5b82c

SHA1
d5dcb06128e31e41f168761cad8aa1dd3ef88edd

SHA256
c52886aea5a1fc56822e8d9335784032e7bd16dd89e8dd3739f6ff7b67b2921b

SHA512
c9a44363074fb05c84b33c8bfd75fdbb50b4bad76d06ad59759d768ad7b5bf60d7d5df8d41a57a54df2e6c65fb3b85464a82ee41ddc4177569513f815f160f14

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe

Filesize
513KB

MD5
c4b5ec962f077666ed1e134c8be5b82c

SHA1
d5dcb06128e31e41f168761cad8aa1dd3ef88edd

SHA256
c52886aea5a1fc56822e8d9335784032e7bd16dd89e8dd3739f6ff7b67b2921b

SHA512
c9a44363074fb05c84b33c8bfd75fdbb50b4bad76d06ad59759d768ad7b5bf60d7d5df8d41a57a54df2e6c65fb3b85464a82ee41ddc4177569513f815f160f14

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX1\scaM4.exe

Filesize
513KB

MD5
c4b5ec962f077666ed1e134c8be5b82c

SHA1
d5dcb06128e31e41f168761cad8aa1dd3ef88edd

SHA256
c52886aea5a1fc56822e8d9335784032e7bd16dd89e8dd3739f6ff7b67b2921b

SHA512
c9a44363074fb05c84b33c8bfd75fdbb50b4bad76d06ad59759d768ad7b5bf60d7d5df8d41a57a54df2e6c65fb3b85464a82ee41ddc4177569513f815f160f14

Download Submit
memory/520-59-0x0000000000000000-mapping.dmp

Download
memory/1648-55-0x0000000000000000-mapping.dmp

Download
memory/1664-54-0x0000000076C81000-0x0000000076C83000-memory.dmp

Filesize
8KB

Download
memory/1740-66-0x0000000000000000-mapping.dmp

Download
memory/1740-69-0x0000000000330000-0x00000000003B6000-memory.dmp

Filesize
536KB

Download
memory/1740-70-0x0000000000565000-0x0000000000576000-memory.dmp

Filesize
68KB

Download
memory/1740-71-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/1740-72-0x00000000066B0000-0x0000000006740000-memory.dmp

Filesize
576KB

Download