c99b050645ebbc138018a9dcb4c3029bc1a9aa9376e7541c1011e815942948e1

Resubmissions

01-02-2023 17:02

230201-vj6p3aah39 10

01-02-2023 17:00

230201-vjf5eacg4s 10

01-02-2023 16:57

230201-vgbrxacg2y 10

Analysis

max time kernel
91s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2023 16:57

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General

Target

660e3fcc23c3a833e6e8af22b13ebd81.exe
Size

172KB
MD5

660e3fcc23c3a833e6e8af22b13ebd81
SHA1

3966263baa4e4e511fe383910555ef5ceaa40914
SHA256

0ea47499aa08a0ed53a42fd19259cb677b4f87446f7fa7609b650f18d327de72
SHA512

bd6a1f83620d13a2a58fa31070237884d1a56dcedc23768768a94b4433d80a9f5affa5ae1aae8dee55a189026fa3fb68c2d433da4f7a955c13a46b314194583e
SSDEEP

3072:P44CG54MEA4qmNCNqiSnVm6BY1T2gg/HvV0qZ1+ipTraV8u1VcGLT9XM:Aveu/TMsiaeA/H/P+Ck

Score

7^/10

collection spyware stealer

Malware Config

Signatures

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4684 set thread context of 2484	4684	660e3fcc23c3a833e6e8af22b13ebd81.exe	79

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2484	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 2484	4684	660e3fcc23c3a833e6e8af22b13ebd81.exe	79
PID 4684 wrote to memory of 2484	4684	660e3fcc23c3a833e6e8af22b13ebd81.exe	79
PID 4684 wrote to memory of 2484	4684	660e3fcc23c3a833e6e8af22b13ebd81.exe	79
PID 4684 wrote to memory of 2484	4684	660e3fcc23c3a833e6e8af22b13ebd81.exe	79
PID 4684 wrote to memory of 2484	4684	660e3fcc23c3a833e6e8af22b13ebd81.exe	79
PID 4684 wrote to memory of 2484	4684	660e3fcc23c3a833e6e8af22b13ebd81.exe	79
PID 4684 wrote to memory of 2484	4684	660e3fcc23c3a833e6e8af22b13ebd81.exe	79
PID 4684 wrote to memory of 2484	4684	660e3fcc23c3a833e6e8af22b13ebd81.exe	79

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	RegAsm.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	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\660e3fcc23c3a833e6e8af22b13ebd81.exe
"C:\Users\Admin\AppData\Local\Temp\660e3fcc23c3a833e6e8af22b13ebd81.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2484-136-0x00000000001E0000-0x00000000001FA000-memory.dmp

Filesize
104KB

Download
memory/2484-137-0x0000000004EF0000-0x0000000005494000-memory.dmp

Filesize
5.6MB

Download
memory/2484-138-0x00000000049E0000-0x0000000004A7C000-memory.dmp

Filesize
624KB

Download
memory/2484-139-0x00000000054A0000-0x0000000005662000-memory.dmp

Filesize
1.8MB

Download
memory/2484-140-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/2484-141-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

Filesize
40KB

Download
memory/4684-132-0x0000000000B90000-0x0000000000BC2000-memory.dmp

Filesize
200KB

Download
memory/4684-133-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download