2be6bc35aead5478989067c24faa55a526fd50963397d2670877a386081d4190

General

Target

Invoice.exe
Size

739KB
MD5

84a3a971240a404f4e027ef8bcb537e0
SHA1

191d6a666bfd500c9e4395dba6df0d31e5ef758d
SHA256

c9ac4b57ab197ca158d440ad01a7c6eb3c70649d29df5f0bf51d71f8acbaad41
SHA512

289419e270a1da517e487801113e0828a29606ddf5bbf2e1963f90afc138fe4217707b6fa85405f5fa5f3fedcc65381cf291047c02ee85e187972bac08deca48
SSDEEP

12288:2J0WWObW8TL+hgRI46ctpJm7at6lehyTB3y8MTV3k/2ohUZGdf6yYXl2W:B45TL+SL6cpqshyRKpU/TUWf6yel2

Score

7^/10

collection spyware stealer

Malware Config

Signatures

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.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 2268 set thread context of 2928	2268	Invoice.exe	31

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2268	Invoice.exe
2268	Invoice.exe
2928	Invoice.exe
2928	Invoice.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2928	Invoice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	Invoice.exe
Token: SeDebugPrivilege	2928	Invoice.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2144	2268	Invoice.exe	30
PID 2268 wrote to memory of 2144	2268	Invoice.exe	30
PID 2268 wrote to memory of 2144	2268	Invoice.exe	30
PID 2268 wrote to memory of 2144	2268	Invoice.exe	30
PID 2268 wrote to memory of 2928	2268	Invoice.exe	31
PID 2268 wrote to memory of 2928	2268	Invoice.exe	31
PID 2268 wrote to memory of 2928	2268	Invoice.exe	31
PID 2268 wrote to memory of 2928	2268	Invoice.exe	31
PID 2268 wrote to memory of 2928	2268	Invoice.exe	31
PID 2268 wrote to memory of 2928	2268	Invoice.exe	31
PID 2268 wrote to memory of 2928	2268	Invoice.exe	31
PID 2268 wrote to memory of 2928	2268	Invoice.exe	31
PID 2268 wrote to memory of 2928	2268	Invoice.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice.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:2268
- C:\Users\Admin\AppData\Local\Temp\Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
  2⤵
  PID:2144
- C:\Users\Admin\AppData\Local\Temp\Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2268-1-0x0000000074E40000-0x000000007552E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-0-0x0000000000230000-0x00000000002EE000-memory.dmp

Filesize
760KB

Download
memory/2268-2-0x0000000074E40000-0x000000007552E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-3-0x0000000002040000-0x0000000002080000-memory.dmp

Filesize
256KB

Download
memory/2268-4-0x00000000004E0000-0x00000000004F4000-memory.dmp

Filesize
80KB

Download
memory/2268-5-0x0000000002040000-0x0000000002080000-memory.dmp

Filesize
256KB

Download
memory/2268-6-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/2268-7-0x0000000005550000-0x00000000055CA000-memory.dmp

Filesize
488KB

Download
memory/2268-20-0x0000000074E40000-0x000000007552E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2928-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2928-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2928-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2928-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2928-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2928-19-0x0000000074E40000-0x000000007552E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2928-21-0x0000000004AD0000-0x0000000004B10000-memory.dmp

Filesize
256KB

Download
memory/2928-22-0x0000000074E40000-0x000000007552E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-23-0x0000000004AD0000-0x0000000004B10000-memory.dmp

Filesize
256KB

Download

Analysis

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