31c409ec86ac6e73be5f6732ce850313111c9b41dafeb1a06e63e82c408da79d

General

Target

Ref#501032.vbe
Size

10KB
MD5

86ff8bd6d9735bf01c8f6189f4ad1002
SHA1

d6c3a4c31b8be503380490454ff2e5d8a8d65d9e
SHA256

31c409ec86ac6e73be5f6732ce850313111c9b41dafeb1a06e63e82c408da79d
SHA512

b658e1764d8e42c3d670f22593bbb6ad9a5ef2177ba1668ee009859a80023718cc173d6b3a801198742f392170dddd4bd85fb94ef0cceec225b9d6c6557fb73f
SSDEEP

192:9h1VLVXWk2P9VDxvTNjYAYFPKf7zXnGD7XbmcDXMpekKiK:jRWfPNxjYAy67zXnq3mJpG

Score

10^/10

collection discovery

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
jertcot.shop
Port:
587
Username:
[email protected]
Password:
VVNrTTiP

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	4768	WScript.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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
40	checkip.dyndns.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4432 set thread context of 1400	4432	powershell.exe	105

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	MSBuild.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	5	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4432	powershell.exe
4432	powershell.exe
4432	powershell.exe
1400	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4432	powershell.exe
Token: SeDebugPrivilege	1400	MSBuild.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 4432	1648	WScript.exe	101
PID 1648 wrote to memory of 4432	1648	WScript.exe	101
PID 4432 wrote to memory of 1400	4432	powershell.exe	105
PID 4432 wrote to memory of 1400	4432	powershell.exe	105
PID 4432 wrote to memory of 1400	4432	powershell.exe	105
PID 4432 wrote to memory of 1400	4432	powershell.exe	105
PID 4432 wrote to memory of 1400	4432	powershell.exe	105
PID 4432 wrote to memory of 1400	4432	powershell.exe	105
PID 4432 wrote to memory of 1400	4432	powershell.exe	105
PID 4432 wrote to memory of 1400	4432	powershell.exe	105
PID 4432 wrote to memory of 4120	4432	powershell.exe	106
PID 4432 wrote to memory of 4120	4432	powershell.exe	106

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Ref#501032.vbe"
1⤵
- Blocklisted process makes network request
PID:4768

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\uJHOGUVWBtxyMGu.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4432
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1400
- - C:\Windows\system32\wermgr.exe
    "C:\Windows\system32\wermgr.exe" "-outproc" "0" "4432" "2812" "2752" "2816" "0" "0" "2820" "0" "0" "0" "0" "0"
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:4120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vbaal3yg.0au.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\uJHOGUVWBtxyMGu.vbs

Filesize
1KB

MD5
0557412072671735614bf19c31382132

SHA1
11c65d1406215f219c2e056cf2a9cb86dfd52f9f

SHA256
67d7275a537656f5ac774067fafb36c3655c67d9b1ebecd1c399dcfcf5e4f6e2

SHA512
98731a92919d7d978d6731567474cecd739cbf3b3f758737fca6f2927861fd4f71cdae2ea764f306db130671ae54b83bc6b7c9b3ab7b16fa86d2ff371c6e6619

Download Submit
memory/1400-26-0x0000000005940000-0x00000000059DC000-memory.dmp

Filesize
624KB

Download
memory/1400-34-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

Filesize
40KB

Download
memory/1400-33-0x0000000006EE0000-0x00000000070A2000-memory.dmp

Filesize
1.8MB

Download
memory/1400-32-0x0000000006BC0000-0x0000000006C10000-memory.dmp

Filesize
320KB

Download
memory/1400-31-0x0000000006B20000-0x0000000006BB2000-memory.dmp

Filesize
584KB

Download
memory/1400-19-0x0000000001300000-0x000000000131E000-memory.dmp

Filesize
120KB

Download
memory/1400-23-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/4432-14-0x0000028C47E30000-0x0000028C47E74000-memory.dmp

Filesize
272KB

Download
memory/4432-18-0x0000028C2EF60000-0x0000028C2EF6C000-memory.dmp

Filesize
48KB

Download
memory/4432-17-0x0000028C2EF50000-0x0000028C2EF58000-memory.dmp

Filesize
32KB

Download
memory/4432-15-0x0000028C47F00000-0x0000028C47F76000-memory.dmp

Filesize
472KB

Download
memory/4432-4-0x0000028C2EF20000-0x0000028C2EF42000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads