17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73

General

Target

17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe
Size

1.0MB
MD5

c56eaeb8a4616e51e25b65186cdef72b
SHA1

2f6fe932efa07965dd8455921949a72ce352a687
SHA256

17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73
SHA512

46a885efb790c8ffe6d4f492ef8c8b23f0d273890b1684b9de7d741edd7c7d957c8a6baabb40fca75937a0155494f9d6240cf99d8a5732da550e80013ea876df
SSDEEP

24576:4AHnh+eWsN3skA4RV1Hom2KXMmHalmyqTa1pYUnXMkCn5:/h+ZkldoPK8Yal4G1pYU3+

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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 2624 set thread context of 2776	2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2776	RegSvcs.exe
2776	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe
2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe
2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2776	2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe	30
PID 2624 wrote to memory of 2776	2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe	30
PID 2624 wrote to memory of 2776	2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe	30
PID 2624 wrote to memory of 2776	2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe	30
PID 2624 wrote to memory of 2776	2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe	30
PID 2624 wrote to memory of 2776	2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe	30
PID 2624 wrote to memory of 2776	2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe	30
PID 2624 wrote to memory of 2776	2624	17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.exe
"C:\Users\Admin\AppData\Local\Temp\17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.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:2624
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\17917c20bfa11de5b79cafeb3a177d4c7dfbfdbd507db35117e4fdf820daaf73.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:2776

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/2624-11-0x0000000000170000-0x0000000000174000-memory.dmp

Filesize
16KB

Download
memory/2776-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2776-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2776-14-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2776-17-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2776-18-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-19-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2776-20-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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