1650fa7dfd5cc553776b130e27195d407ab18a356773e0c4b471102764ef25dd

General

Target
smes.exe
Size 1.1MB
Sample220626-grygrsheek
SHA256 1650fa7dfd5cc553776b130e27195d407ab18a356773e0c4b471102764ef25dd
MD5 2c9f626447ae964cea8cc43daf078e70
SHA1 e6f9fed713f822348c289ab37e1e559f6738865e
SHA512 65ccfa2a7ad4167aa157ece29906411dc2a4dd45027520e89f1a29c3a4ef6315b404c8ecf3a54f7b7ab348635b813f0a96f762ba2633d4499f9a56eb53978449
MD5 SHA1 SHA512

Score

6^/10

collection

Malware Config

Signatures

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
6	ifconfig.me

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3752 set thread context of 4080	3752	smes.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4648	4080	WerFault.exe	80

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4080	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3752	smes.exe
3752	smes.exe
3752	smes.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3752	smes.exe
3752	smes.exe
3752	smes.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 4080	3752	smes.exe	80
PID 3752 wrote to memory of 4080	3752	smes.exe	80
PID 3752 wrote to memory of 4080	3752	smes.exe	80
PID 3752 wrote to memory of 4080	3752	smes.exe	80
PID 3752 wrote to memory of 4080	3752	smes.exe	80

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\smes.exe
"C:\Users\Admin\AppData\Local\Temp\smes.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3752
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 1480
    3⤵
    - Program crash
    PID:4648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4080 -ip 4080
1⤵
PID:4840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/3752-135-0x0000000001540000-0x000000000155F000-memory.dmp

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memory/4080-131-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/4080-136-0x0000000006390000-0x0000000006934000-memory.dmp

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memory/4080-137-0x0000000005EC0000-0x0000000005F5C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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