aac06648da594e367dc05c913263c6e07dd04807a3c9fb3259e76643fd79e0a0

General

Target

Our Ref 4004986984.exe
Size

1.2MB
MD5

30d77def02eb2b3eab84bb0b29c937d7
SHA1

3dcb76d2b4696e2ab9c74525bf896f619465eadf
SHA256

aac06648da594e367dc05c913263c6e07dd04807a3c9fb3259e76643fd79e0a0
SHA512

9316919a068f9c5b5ca593daff7776017404715809d5883d50eee8ea134e2b8a46f71303bb6b7019141389fb1b6818a903a104368ef4c935cc6de4de111f416c
SSDEEP

24576:EqDEvCTbMWu7rQYlBQcBiT6rprG8avT4znxKL1eqvZaN:ETvC/MTQYxsWR7aL4zxKL1eKa

Score

9^/10

collection credential_access discovery stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2720	2936	Our Ref 4004986984.exe	30

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Our Ref 4004986984.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2720	RegSvcs.exe
2720	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2936	Our Ref 4004986984.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2936	Our Ref 4004986984.exe
2936	Our Ref 4004986984.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2936	Our Ref 4004986984.exe
2936	Our Ref 4004986984.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2720	2936	Our Ref 4004986984.exe	30
PID 2936 wrote to memory of 2720	2936	Our Ref 4004986984.exe	30
PID 2936 wrote to memory of 2720	2936	Our Ref 4004986984.exe	30
PID 2936 wrote to memory of 2720	2936	Our Ref 4004986984.exe	30
PID 2936 wrote to memory of 2720	2936	Our Ref 4004986984.exe	30
PID 2936 wrote to memory of 2720	2936	Our Ref 4004986984.exe	30
PID 2936 wrote to memory of 2720	2936	Our Ref 4004986984.exe	30
PID 2936 wrote to memory of 2720	2936	Our Ref 4004986984.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Our Ref 4004986984.exe
"C:\Users\Admin\AppData\Local\Temp\Our Ref 4004986984.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Our Ref 4004986984.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2720-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2720-14-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2720-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2720-17-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/2720-18-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-19-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/2720-20-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-11-0x0000000000340000-0x0000000000344000-memory.dmp

Filesize
16KB

Download

Analysis

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