ef146e82d7ce82f08861801b9b4d0e41d7ecd348075a8e2605c2783964ef0355

Resubmissions

20/07/2023, 09:07

230720-k3sx7sfd4w 7

20/07/2023, 09:04

230720-k12gkaef72 7

Analysis

max time kernel
148s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2023, 09:04

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General

Target

TTWireConfirmation_20230720 pdf.exe
Size

40KB
MD5

6577e3088e19e789d8cdc328c5c5fe21
SHA1

dabd810e66018ff0b27c891f358fe413e8891fbd
SHA256

177f753bd39be134d1eb4298663f3dfc9d6291a9d6ed56df851604800ae0d5b6
SHA512

f685c5f09f5be1ec031ba3e4e2990e34b5fa5063e5290da36ac3669f591fffc9a3f95e04bd00ea1e77e68692ae270756438a70dd836291f4e96ed33addb49d0f
SSDEEP

768:LZzeRDK3EaC8l2hP3SScNY8cfRqTuM+1+I:LZzCDK3Eaqh36G8BTugI

Score

7^/10

collection persistence 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-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTWireConfirmation_20230720 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTWireConfirmation_20230720 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTWireConfirmation_20230720 pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gunalmvy = "C:\\Users\\Admin\\AppData\\Roaming\\Gunalmvy.exe"	TTWireConfirmation_20230720 pdf.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
32	api.ipify.org
31	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1784 set thread context of 3092	1784	TTWireConfirmation_20230720 pdf.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3092	TTWireConfirmation_20230720 pdf.exe
3092	TTWireConfirmation_20230720 pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	TTWireConfirmation_20230720 pdf.exe
Token: SeDebugPrivilege	3092	TTWireConfirmation_20230720 pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 3092	1784	TTWireConfirmation_20230720 pdf.exe	92
PID 1784 wrote to memory of 3092	1784	TTWireConfirmation_20230720 pdf.exe	92
PID 1784 wrote to memory of 3092	1784	TTWireConfirmation_20230720 pdf.exe	92
PID 1784 wrote to memory of 3092	1784	TTWireConfirmation_20230720 pdf.exe	92
PID 1784 wrote to memory of 3092	1784	TTWireConfirmation_20230720 pdf.exe	92
PID 1784 wrote to memory of 3092	1784	TTWireConfirmation_20230720 pdf.exe	92
PID 1784 wrote to memory of 3092	1784	TTWireConfirmation_20230720 pdf.exe	92
PID 1784 wrote to memory of 3092	1784	TTWireConfirmation_20230720 pdf.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTWireConfirmation_20230720 pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TTWireConfirmation_20230720 pdf.exe

C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TTWireConfirmation_20230720 pdf.exe.log

Filesize
1KB

MD5
a13312e452bb67b8b110b6d7fbc6cf6f

SHA1
057c5cc1d9b4c48eb1cb78463d8d7599f8fd8a50

SHA256
d5e1315b62697659a967e9aaac291e96ab9cc7d90bab47bc30e6c338a81f479b

SHA512
1e60ceb2af03e9eb8a347bf0ae2e57601ca82e51ec14962eba368393da46f939ff0429d54d59c8a90fbc8f32ed71c880634e0239ccc26c86c40496acdac7b9b0

Download Submit
memory/1784-133-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/1784-134-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/1784-135-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1784-136-0x0000000005600000-0x0000000005622000-memory.dmp

Filesize
136KB

Download
memory/1784-137-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-138-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-140-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-142-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-144-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-146-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-148-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-150-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-152-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-154-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-156-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-158-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-160-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-162-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-164-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-166-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-168-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-170-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-172-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-174-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-176-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-178-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-180-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-182-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-184-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-186-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-188-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-190-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-192-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-194-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-196-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-198-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-200-0x0000000005F50000-0x000000000602A000-memory.dmp

Filesize
872KB

Download
memory/1784-924-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/1784-998-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1784-1461-0x0000000006130000-0x0000000006131000-memory.dmp

Filesize
4KB

Download
memory/1784-1462-0x0000000006BA0000-0x0000000007144000-memory.dmp

Filesize
5.6MB

Download
memory/1784-1468-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/3092-1467-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/3092-1469-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3092-1470-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/3092-1471-0x00000000059A0000-0x0000000005A06000-memory.dmp

Filesize
408KB

Download
memory/3092-1472-0x0000000006ED0000-0x0000000006F20000-memory.dmp

Filesize
320KB

Download
memory/3092-1473-0x0000000006FC0000-0x0000000007052000-memory.dmp

Filesize
584KB

Download
memory/3092-1474-0x0000000006F60000-0x0000000006F6A000-memory.dmp

Filesize
40KB

Download
memory/3092-1475-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/3092-1476-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download