ac59a704d8652db5ae64c9c4a255157a3e2f1c577307d31b74df496ce4b43bef

General

Target

MadPassExt.exe
Size

621KB
MD5

d7f3266975644f3797964e044e5b8d5f
SHA1

6c053110d4087e013bc341115fbaa84a750a4057
SHA256

ac59a704d8652db5ae64c9c4a255157a3e2f1c577307d31b74df496ce4b43bef
SHA512

ee3f3f0bc0f666ddbfffcd8226f6a5a32ba0094bc0489371167fbca52820081e81e4140174e40b1edca1bb90066d28e70b14eccc875c6a0845ebbfa384ed9a65
SSDEEP

12288:o6IHCy7/eEkxewViP8Dd4N8DNCcJDOCDLy+QuH0h:3yT24wViP8Dd4N8DNCSr

Score

7^/10

collection spyware stealer

Malware Config

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation	MadPassExt.exe

Executes dropped EXE 2 IoCs

pid	Process
740	43Q4CY3D.exe
1176	4D7ZC5MY.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4D7ZC5MY.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4D7ZC5MY.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4D7ZC5MY.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
34	checkip.dyndns.org

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1176	4D7ZC5MY.exe
1176	4D7ZC5MY.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1176	4D7ZC5MY.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1176	4D7ZC5MY.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 740	4992	MadPassExt.exe	86
PID 4992 wrote to memory of 740	4992	MadPassExt.exe	86
PID 4992 wrote to memory of 740	4992	MadPassExt.exe	86
PID 4992 wrote to memory of 1176	4992	MadPassExt.exe	87
PID 4992 wrote to memory of 1176	4992	MadPassExt.exe	87
PID 4992 wrote to memory of 1176	4992	MadPassExt.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4D7ZC5MY.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4D7ZC5MY.exe

C:\Users\Admin\AppData\Local\Temp\MadPassExt.exe
"C:\Users\Admin\AppData\Local\Temp\MadPassExt.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\43Q4CY3D.exe
  "C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\43Q4CY3D.exe"
  2⤵
  - Executes dropped EXE
  PID:740
- C:\Users\Admin\AppData\Roaming\Adobe\4D7ZC5MY.exe
  "C:\Users\Admin\AppData\Roaming\Adobe\4D7ZC5MY.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\43Q4CY3D.exe

Filesize
46KB

MD5
1d4cedae1f44f41d5e449680d0d08686

SHA1
4bfe0787e66c181920a462f805b0652e7c22e2c2

SHA256
a0a0c256070d7dc62a260ca36cf25b08521d8c35f2ac6f93224854cc538b564a

SHA512
7cd2875e9769d5dc02e99709e1762abf2d3cbac96051427f87be855d8d0886855d3805ffabca0f8dbdef357b509a0d292904c269f8f00a781f793f84c82fa93a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\43Q4CY3D.exe

Filesize
46KB

MD5
1d4cedae1f44f41d5e449680d0d08686

SHA1
4bfe0787e66c181920a462f805b0652e7c22e2c2

SHA256
a0a0c256070d7dc62a260ca36cf25b08521d8c35f2ac6f93224854cc538b564a

SHA512
7cd2875e9769d5dc02e99709e1762abf2d3cbac96051427f87be855d8d0886855d3805ffabca0f8dbdef357b509a0d292904c269f8f00a781f793f84c82fa93a

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\4D7ZC5MY.exe

Filesize
183KB

MD5
f69ffc7c810923b24cdbdd4fa63a7dd7

SHA1
897bdce096c1686849682ed22657b56345ac5e09

SHA256
cd839b176a5432c67eaca745ce38ea0ef25326646a31c34febe4b8fb3f35cc7c

SHA512
dd50cdec94fc61ba34bcc0ce473f2483b4d7cf5d1338902b9c2c16520228702c5fac6984ec3c9b541ad0e94efc4534fbc3c4780568b038ebb7303107ff5cb97b

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\4D7ZC5MY.exe

Filesize
183KB

MD5
f69ffc7c810923b24cdbdd4fa63a7dd7

SHA1
897bdce096c1686849682ed22657b56345ac5e09

SHA256
cd839b176a5432c67eaca745ce38ea0ef25326646a31c34febe4b8fb3f35cc7c

SHA512
dd50cdec94fc61ba34bcc0ce473f2483b4d7cf5d1338902b9c2c16520228702c5fac6984ec3c9b541ad0e94efc4534fbc3c4780568b038ebb7303107ff5cb97b

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\4D7ZC5MY.exe

Filesize
183KB

MD5
f69ffc7c810923b24cdbdd4fa63a7dd7

SHA1
897bdce096c1686849682ed22657b56345ac5e09

SHA256
cd839b176a5432c67eaca745ce38ea0ef25326646a31c34febe4b8fb3f35cc7c

SHA512
dd50cdec94fc61ba34bcc0ce473f2483b4d7cf5d1338902b9c2c16520228702c5fac6984ec3c9b541ad0e94efc4534fbc3c4780568b038ebb7303107ff5cb97b

Download Submit
memory/1176-27-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/1176-35-0x00000000071C0000-0x00000000071CA000-memory.dmp

Filesize
40KB

Download
memory/1176-40-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download
memory/1176-25-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/1176-26-0x0000000000BF0000-0x0000000000C24000-memory.dmp

Filesize
208KB

Download
memory/1176-38-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download
memory/1176-28-0x0000000005610000-0x00000000056A2000-memory.dmp

Filesize
584KB

Download
memory/1176-29-0x00000000057A0000-0x000000000583C000-memory.dmp

Filesize
624KB

Download
memory/1176-30-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download
memory/1176-31-0x0000000005730000-0x0000000005748000-memory.dmp

Filesize
96KB

Download
memory/1176-32-0x0000000005C10000-0x0000000005C76000-memory.dmp

Filesize
408KB

Download
memory/1176-33-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/1176-34-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download
memory/1176-37-0x00000000070F0000-0x00000000070FA000-memory.dmp

Filesize
40KB

Download
memory/1176-36-0x00000000073A0000-0x00000000073F0000-memory.dmp

Filesize
320KB

Download
memory/4992-1-0x00007FFF23E10000-0x00007FFF248D1000-memory.dmp

Filesize
10.8MB

Download
memory/4992-0-0x00000000003D0000-0x0000000000470000-memory.dmp

Filesize
640KB

Download
memory/4992-24-0x00007FFF23E10000-0x00007FFF248D1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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