763c9186b13acb1143e77f1efa66736c7e112979e5704e43117a29450970d452

General

Target

INVOICE.exe
Size

611KB
MD5

653fce7ffffb975dc4d7d89344105681
SHA1

65d9b6be3027429e22dae42965ff9e5159562b30
SHA256

70d57ad08d7ddb371bba0f2c530bc05fc59f507299b0af73477c564b1d740a97
SHA512

fb35ecd1e741af89500268d0c65aff85c9e32a44e676daa467a0e4a5db27579d8138ad2658a9176aaa61e342453ff13669108f088d12a855752f6315b03f7d21
SSDEEP

12288:A9/XABwK9N4fHk9Isn5xUhuJb/T0OsDlGOI+hx03z2ekz+:w/XdeQs5xGEXQRx03oz+

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-1-5-21-2848203831-2014322062-3611574811-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\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
23	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 4756	1740	INVOICE.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4756	INVOICE.exe
4756	INVOICE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4756	INVOICE.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4756	INVOICE.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 4756	1740	INVOICE.exe	84
PID 1740 wrote to memory of 4756	1740	INVOICE.exe	84
PID 1740 wrote to memory of 4756	1740	INVOICE.exe	84
PID 1740 wrote to memory of 4756	1740	INVOICE.exe	84
PID 1740 wrote to memory of 4756	1740	INVOICE.exe	84
PID 1740 wrote to memory of 4756	1740	INVOICE.exe	84
PID 1740 wrote to memory of 4756	1740	INVOICE.exe	84
PID 1740 wrote to memory of 4756	1740	INVOICE.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\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 use of WriteProcessMemory
PID:1740
- 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 use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4756

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INVOICE.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1740-8-0x00000000089E0000-0x0000000008A7C000-memory.dmp

Filesize
624KB

Download
memory/1740-1-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/1740-3-0x0000000004B20000-0x0000000004BB2000-memory.dmp

Filesize
584KB

Download
memory/1740-4-0x0000000004CF0000-0x0000000004D00000-memory.dmp

Filesize
64KB

Download
memory/1740-5-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

Filesize
40KB

Download
memory/1740-6-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/1740-7-0x0000000004CF0000-0x0000000004D00000-memory.dmp

Filesize
64KB

Download
memory/1740-0-0x00000000000A0000-0x0000000000140000-memory.dmp

Filesize
640KB

Download
memory/1740-2-0x00000000050D0000-0x0000000005674000-memory.dmp

Filesize
5.6MB

Download
memory/1740-13-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4756-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4756-12-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4756-14-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/4756-15-0x0000000006690000-0x00000000066E0000-memory.dmp

Filesize
320KB

Download
memory/4756-16-0x00000000068B0000-0x0000000006A72000-memory.dmp

Filesize
1.8MB

Download
memory/4756-17-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4756-18-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing