0d7816bff46972a67b92977ed817bf9ba3bf868d844074883fdc1630678c94f4

General

Target

Payment attachment.exe
Size

537KB
MD5

1139ba93ba195722315cc3b90c3df9d8
SHA1

8d6928bfbafc059a959bf51f7a059685d21e4e30
SHA256

0d7816bff46972a67b92977ed817bf9ba3bf868d844074883fdc1630678c94f4
SHA512

1292a428cdf53251ef1d4cfc01db4ff8fc3d8dec4ecb800dd8ca6a08fbe7bf9f2ce825f6bb4c2097137bd2d3fdb88365c9834ac2dfe14e7ee81ffce3958ba088
SSDEEP

12288:BnC9fvjR2ukw/tSDlpJkIoEdMRSLghEPk34e2c2vmEO:yfvN2ukw/wpJkIoEdMACgu49OE

Score

7^/10

collection discovery 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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment attachment.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment attachment.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment attachment.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
20	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4460 set thread context of 4880	4460	Payment attachment.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 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	Payment attachment.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment attachment.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4880	Payment attachment.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4880	Payment attachment.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 4880	4460	Payment attachment.exe	86
PID 4460 wrote to memory of 4880	4460	Payment attachment.exe	86
PID 4460 wrote to memory of 4880	4460	Payment attachment.exe	86
PID 4460 wrote to memory of 4880	4460	Payment attachment.exe	86
PID 4460 wrote to memory of 4880	4460	Payment attachment.exe	86
PID 4460 wrote to memory of 4880	4460	Payment attachment.exe	86
PID 4460 wrote to memory of 4880	4460	Payment attachment.exe	86
PID 4460 wrote to memory of 4880	4460	Payment attachment.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment attachment.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment attachment.exe

C:\Users\Admin\AppData\Local\Temp\Payment attachment.exe
"C:\Users\Admin\AppData\Local\Temp\Payment attachment.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Users\Admin\AppData\Local\Temp\Payment attachment.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment attachment.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\Payment attachment.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4460-4-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4460-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/4460-10-0x0000000006830000-0x00000000068CC000-memory.dmp

Filesize
624KB

Download
memory/4460-9-0x00000000065C0000-0x000000000661E000-memory.dmp

Filesize
376KB

Download
memory/4460-5-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

Filesize
40KB

Download
memory/4460-6-0x00000000051F0000-0x0000000005208000-memory.dmp

Filesize
96KB

Download
memory/4460-7-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4460-8-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4460-15-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4460-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

Filesize
5.6MB

Download
memory/4460-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4460-1-0x0000000000470000-0x00000000004FC000-memory.dmp

Filesize
560KB

Download
memory/4880-14-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4880-19-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4880-16-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4880-17-0x0000000006490000-0x00000000064E0000-memory.dmp

Filesize
320KB

Download
memory/4880-18-0x00000000068B0000-0x0000000006A72000-memory.dmp

Filesize
1.8MB

Download
memory/4880-11-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing