vipkeylogger | 26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466

Analysis

max time kernel
119s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 02:20

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General

Target

26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe
Size

398KB
MD5

7e3e88fad78dff83ea421084315bfd78
SHA1

2e185874ff61f0097b34ae66cdc09bbbf1951f62
SHA256

26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466
SHA512

432da571335f6eb1b827eceb1bf0b0cc62b2a1a7734fce3374620769487e908916a39b0e4c94ef6e764f65f3ce7066040055e52d14a7b84bb1e1650ec355460f
SSDEEP

6144:OzzpHNxvSI3xlkVxOwDWcvPRavLhOPxersLWd3JyQdETiOhhe3DU705AN8u1tdQM:INxvSec3RMY+sLSZyyETvzck05AGuvr

Score

10^/10

vipkeylogger xworm collection discovery execution keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

Version

3.1

69.174.100.131:7000

Mutex

I1KOVoZcD6Qqbmm9

Attributes

install_file
USB.exe

aes.plain

Extracted

Family

vipkeylogger

https://api.telegram.org/bot7721085569:AAH1tkciy-nKykIEUNjOAUsItTcvNCVmFLo/sendMessage?chat_id=6236275763

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3816-4-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Vipkeylogger family
vipkeylogger
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3148	powershell.exe
4388	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
1620	dffirr.exe

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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dffirr.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dffirr.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dffirr.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 2424 set thread context of 3816	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	83

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 4 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	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dffirr.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3148	powershell.exe
3148	powershell.exe
4388	powershell.exe
4388	powershell.exe
1620	dffirr.exe
1620	dffirr.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3816	installutil.exe
Token: SeDebugPrivilege	3148	powershell.exe
Token: SeDebugPrivilege	4388	powershell.exe
Token: SeDebugPrivilege	1620	dffirr.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 3816	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	83
PID 2424 wrote to memory of 3816	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	83
PID 2424 wrote to memory of 3816	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	83
PID 2424 wrote to memory of 3816	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	83
PID 2424 wrote to memory of 3816	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	83
PID 2424 wrote to memory of 3816	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	83
PID 2424 wrote to memory of 3816	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	83
PID 2424 wrote to memory of 3816	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	83
PID 2424 wrote to memory of 3584	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	84
PID 2424 wrote to memory of 3584	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	84
PID 2424 wrote to memory of 3584	2424	26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe	84
PID 3816 wrote to memory of 3148	3816	installutil.exe	88
PID 3816 wrote to memory of 3148	3816	installutil.exe	88
PID 3816 wrote to memory of 3148	3816	installutil.exe	88
PID 3816 wrote to memory of 4388	3816	installutil.exe	94
PID 3816 wrote to memory of 4388	3816	installutil.exe	94
PID 3816 wrote to memory of 4388	3816	installutil.exe	94
PID 3816 wrote to memory of 1620	3816	installutil.exe	99
PID 3816 wrote to memory of 1620	3816	installutil.exe	99
PID 3816 wrote to memory of 1620	3816	installutil.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dffirr.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dffirr.exe

C:\Users\Admin\AppData\Local\Temp\26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe
"C:\Users\Admin\AppData\Local\Temp\26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3816
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3148
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'installutil.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4388
- - C:\Users\Admin\AppData\Local\Temp\dffirr.exe
    "C:\Users\Admin\AppData\Local\Temp\dffirr.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1620
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:3584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

System Location Discovery

T1614

System Language Discovery

T1614.001

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\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
212f57ccc1c44131a53b1b2b1feadc03

SHA1
4d70ab8b4b8e366f517de45e79b22b0ec13b3003

SHA256
4247977041099de329654f096fab421b3cd108034b864da85c000a5d8ca32d37

SHA512
3bf932467783fec52f03039dea36886750abb31de5ee040cf8253c8c63a2eab11813ab015d5f74950610dcf8aa1c49188865ab0080ad8b66997784fe882a0e7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nl1bulmj.1cq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\dffirr.exe

Filesize
271KB

MD5
4c8c1ceb91408ad5a5011b56b325419e

SHA1
1c4164b98be5d5235eebfd8a54f45a8e07b229ea

SHA256
3dcb27942e0687d24841db48d2b91ff2ae749be95655af9bb10f8a2c46052773

SHA512
a4be594b66ef0981edd13519690395405d1a982d35eba8814b8fc69c1a4b6693df382c4d979b277615728c593942be9fcd6494dc12510f4eb71f233b1e7fb6a2

Download Submit
memory/1620-99-0x0000000006970000-0x00000000069C0000-memory.dmp

Filesize
320KB

Download
memory/1620-91-0x0000000000AD0000-0x0000000000B1A000-memory.dmp

Filesize
296KB

Download
memory/1620-98-0x0000000006AF0000-0x0000000006CB2000-memory.dmp

Filesize
1.8MB

Download
memory/1620-101-0x0000000006E50000-0x0000000006E5A000-memory.dmp

Filesize
40KB

Download
memory/1620-100-0x00000000071F0000-0x000000000771C000-memory.dmp

Filesize
5.2MB

Download
memory/2424-1-0x00000229EAC40000-0x00000229EACA8000-memory.dmp

Filesize
416KB

Download
memory/2424-7-0x00007FFFD20B0000-0x00007FFFD2B71000-memory.dmp

Filesize
10.8MB

Download
memory/2424-3-0x00007FFFD20B0000-0x00007FFFD2B71000-memory.dmp

Filesize
10.8MB

Download
memory/2424-2-0x00000229EC870000-0x00000229EC8D0000-memory.dmp

Filesize
384KB

Download
memory/2424-0-0x00007FFFD20B3000-0x00007FFFD20B5000-memory.dmp

Filesize
8KB

Download
memory/3148-45-0x0000000007920000-0x0000000007931000-memory.dmp

Filesize
68KB

Download
memory/3148-13-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3148-26-0x0000000006400000-0x000000000641E000-memory.dmp

Filesize
120KB

Download
memory/3148-27-0x0000000006490000-0x00000000064DC000-memory.dmp

Filesize
304KB

Download
memory/3148-28-0x00000000069C0000-0x00000000069F2000-memory.dmp

Filesize
200KB

Download
memory/3148-29-0x0000000070540000-0x000000007058C000-memory.dmp

Filesize
304KB

Download
memory/3148-39-0x00000000069A0000-0x00000000069BE000-memory.dmp

Filesize
120KB

Download
memory/3148-40-0x0000000007400000-0x00000000074A3000-memory.dmp

Filesize
652KB

Download
memory/3148-41-0x0000000007D60000-0x00000000083DA000-memory.dmp

Filesize
6.5MB

Download
memory/3148-42-0x0000000007720000-0x000000000773A000-memory.dmp

Filesize
104KB

Download
memory/3148-43-0x0000000007780000-0x000000000778A000-memory.dmp

Filesize
40KB

Download
memory/3148-44-0x00000000079B0000-0x0000000007A46000-memory.dmp

Filesize
600KB

Download
memory/3148-15-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3148-46-0x0000000007950000-0x000000000795E000-memory.dmp

Filesize
56KB

Download
memory/3148-47-0x0000000007960000-0x0000000007974000-memory.dmp

Filesize
80KB

Download
memory/3148-48-0x0000000007A70000-0x0000000007A8A000-memory.dmp

Filesize
104KB

Download
memory/3148-49-0x00000000079A0000-0x00000000079A8000-memory.dmp

Filesize
32KB

Download
memory/3148-52-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3148-8-0x0000000002AD0000-0x0000000002B06000-memory.dmp

Filesize
216KB

Download
memory/3148-10-0x0000000005550000-0x0000000005B78000-memory.dmp

Filesize
6.2MB

Download
memory/3148-9-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3148-11-0x0000000005330000-0x0000000005352000-memory.dmp

Filesize
136KB

Download
memory/3148-12-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/3148-14-0x0000000005DA0000-0x0000000005E06000-memory.dmp

Filesize
408KB

Download
memory/3148-25-0x0000000005E10000-0x0000000006164000-memory.dmp

Filesize
3.3MB

Download
memory/3816-93-0x0000000006940000-0x00000000069CC000-memory.dmp

Filesize
560KB

Download
memory/3816-97-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3816-79-0x0000000006BC0000-0x0000000007164000-memory.dmp

Filesize
5.6MB

Download
memory/3816-75-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/3816-4-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3816-92-0x0000000006820000-0x00000000068A2000-memory.dmp

Filesize
520KB

Download
memory/3816-78-0x0000000006570000-0x0000000006602000-memory.dmp

Filesize
584KB

Download
memory/3816-95-0x0000000007170000-0x00000000074C4000-memory.dmp

Filesize
3.3MB

Download
memory/3816-77-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3816-96-0x00000000074E0000-0x000000000752C000-memory.dmp

Filesize
304KB

Download
memory/3816-94-0x0000000006B20000-0x0000000006B84000-memory.dmp

Filesize
400KB

Download
memory/3816-5-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/3816-6-0x0000000005260000-0x00000000052FC000-memory.dmp

Filesize
624KB

Download
memory/4388-63-0x0000000005DD0000-0x0000000006124000-memory.dmp

Filesize
3.3MB

Download
memory/4388-65-0x0000000070540000-0x000000007058C000-memory.dmp

Filesize
304KB

Download