e831d5af4ac2bcf00a87f26ee849066a4b0ee82748370f192d2dba50489d15a7

Analysis

max time kernel
113s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2023, 06:18

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General

Target

Invoice.exe
Size

96KB
MD5

a7d5851b9ded14ee6d2d133c5813e3a5
SHA1

4846ed8113a663147481c1180d6706ce9b954e1b
SHA256

e831d5af4ac2bcf00a87f26ee849066a4b0ee82748370f192d2dba50489d15a7
SHA512

faf65674eead1349ae0601d2e36a072f567189ec261054353391f91258462a7e587a6d2a328d591abc2f3fd771e880ae0432eda7bf53d81bcd2606c02f62e94a
SSDEEP

768:TcvRNB6jExEExJPuMWf7xkQP5NbcVfup+btYAJHa4H:TANB6qEExoMWf7macVfupotYyTH

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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
8	api.ipify.org
9	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1168 set thread context of 4940	1168	Invoice.exe	90

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe
1168	Invoice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1168	Invoice.exe
Token: SeDebugPrivilege	4940	jsc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 5000	1168	Invoice.exe	79
PID 1168 wrote to memory of 5000	1168	Invoice.exe	79
PID 1168 wrote to memory of 4964	1168	Invoice.exe	80
PID 1168 wrote to memory of 4964	1168	Invoice.exe	80
PID 1168 wrote to memory of 4948	1168	Invoice.exe	81
PID 1168 wrote to memory of 4948	1168	Invoice.exe	81
PID 1168 wrote to memory of 4944	1168	Invoice.exe	82
PID 1168 wrote to memory of 4944	1168	Invoice.exe	82
PID 1168 wrote to memory of 4880	1168	Invoice.exe	83
PID 1168 wrote to memory of 4880	1168	Invoice.exe	83
PID 1168 wrote to memory of 4900	1168	Invoice.exe	84
PID 1168 wrote to memory of 4900	1168	Invoice.exe	84
PID 1168 wrote to memory of 4856	1168	Invoice.exe	85
PID 1168 wrote to memory of 4856	1168	Invoice.exe	85
PID 1168 wrote to memory of 5080	1168	Invoice.exe	86
PID 1168 wrote to memory of 5080	1168	Invoice.exe	86
PID 1168 wrote to memory of 4916	1168	Invoice.exe	87
PID 1168 wrote to memory of 4916	1168	Invoice.exe	87
PID 1168 wrote to memory of 4924	1168	Invoice.exe	88
PID 1168 wrote to memory of 4924	1168	Invoice.exe	88
PID 1168 wrote to memory of 4932	1168	Invoice.exe	89
PID 1168 wrote to memory of 4932	1168	Invoice.exe	89
PID 1168 wrote to memory of 4940	1168	Invoice.exe	90
PID 1168 wrote to memory of 4940	1168	Invoice.exe	90
PID 1168 wrote to memory of 4940	1168	Invoice.exe	90
PID 1168 wrote to memory of 4940	1168	Invoice.exe	90
PID 1168 wrote to memory of 4940	1168	Invoice.exe	90
PID 1168 wrote to memory of 4940	1168	Invoice.exe	90
PID 1168 wrote to memory of 4940	1168	Invoice.exe	90
PID 1168 wrote to memory of 4940	1168	Invoice.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"
  2⤵
  PID:5000
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"
  2⤵
  PID:4964
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:4948
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe"
  2⤵
  PID:4944
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"
  2⤵
  PID:4880
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"
  2⤵
  PID:4900
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:4856
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe"
  2⤵
  PID:5080
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4916
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe"
  2⤵
  PID:4924
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:4932
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1168-132-0x000001A8A35A0000-0x000001A8A35BC000-memory.dmp

Filesize
112KB

Download
memory/1168-133-0x00007FFBC8BD0000-0x00007FFBC9691000-memory.dmp

Filesize
10.8MB

Download
memory/1168-136-0x00007FFBC8BD0000-0x00007FFBC9691000-memory.dmp

Filesize
10.8MB

Download
memory/4940-134-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4940-137-0x0000000004F80000-0x0000000005524000-memory.dmp

Filesize
5.6MB

Download
memory/4940-138-0x0000000004A40000-0x0000000004AA6000-memory.dmp

Filesize
408KB

Download
memory/4940-139-0x0000000006430000-0x00000000064C2000-memory.dmp

Filesize
584KB

Download
memory/4940-140-0x0000000006400000-0x000000000640A000-memory.dmp

Filesize
40KB

Download
memory/4940-141-0x00000000065E0000-0x0000000006630000-memory.dmp

Filesize
320KB

Download
memory/4940-142-0x0000000006870000-0x0000000006A32000-memory.dmp

Filesize
1.8MB

Download