vipkeylogger | dd9e1fe309fae0cc8dee8d6909a404cd25c151fa817d2fc8a620608fa65c7a63

General

Target

Payment Error.rtf
Size

617KB
MD5

8b38fd5f962b524af2dbfdcd6e21d9b6
SHA1

aec9993e2216c9478eae142c6b24d31e46882aa1
SHA256

dd9e1fe309fae0cc8dee8d6909a404cd25c151fa817d2fc8a620608fa65c7a63
SHA512

43620a278a217dec4afc1057934e4dc5b6f675d8f0bbb404d84a894ee3bcd3083888c83457bea5fd70b7960d6ac8bb55ad6209aa3216819343ad8917be15589f
SSDEEP

6144:rwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAh:F

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.jhxkgroup.online
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
Email To:
[email protected]

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2284	EQNEDT32.EXE
7	2284	EQNEDT32.EXE

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2980	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
5	2284	EQNEDT32.EXE

Executes dropped EXE 3 IoCs

pid	Process
2976	chromeobi.exe
2676	chromeobi.exe
2800	chromeobi.exe

Loads dropped DLL 1 IoCs

pid	Process
2284	EQNEDT32.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	chromeobi.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	chromeobi.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	chromeobi.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	reallyfreegeoip.org
11	reallyfreegeoip.org
8	checkip.dyndns.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 2800	2976	chromeobi.exe	39

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chromeobi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chromeobi.exe

Office loads VBA resources, possible macro or embedded object present

Launches Equation Editor 1 TTPs 1 IoCs

Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

exploit

Exploitation for Client Execution

T1203

pid	Process
2284	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1416	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2976	chromeobi.exe
2976	chromeobi.exe
2800	chromeobi.exe
2980	powershell.exe
2800	chromeobi.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	chromeobi.exe
Token: SeDebugPrivilege	2800	chromeobi.exe
Token: SeDebugPrivilege	2980	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1416	WINWORD.EXE
1416	WINWORD.EXE

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2976	2284	EQNEDT32.EXE	33
PID 2284 wrote to memory of 2976	2284	EQNEDT32.EXE	33
PID 2284 wrote to memory of 2976	2284	EQNEDT32.EXE	33
PID 2284 wrote to memory of 2976	2284	EQNEDT32.EXE	33
PID 1416 wrote to memory of 1088	1416	WINWORD.EXE	35
PID 1416 wrote to memory of 1088	1416	WINWORD.EXE	35
PID 1416 wrote to memory of 1088	1416	WINWORD.EXE	35
PID 1416 wrote to memory of 1088	1416	WINWORD.EXE	35
PID 2976 wrote to memory of 2980	2976	chromeobi.exe	36
PID 2976 wrote to memory of 2980	2976	chromeobi.exe	36
PID 2976 wrote to memory of 2980	2976	chromeobi.exe	36
PID 2976 wrote to memory of 2980	2976	chromeobi.exe	36
PID 2976 wrote to memory of 2676	2976	chromeobi.exe	38
PID 2976 wrote to memory of 2676	2976	chromeobi.exe	38
PID 2976 wrote to memory of 2676	2976	chromeobi.exe	38
PID 2976 wrote to memory of 2676	2976	chromeobi.exe	38
PID 2976 wrote to memory of 2800	2976	chromeobi.exe	39
PID 2976 wrote to memory of 2800	2976	chromeobi.exe	39
PID 2976 wrote to memory of 2800	2976	chromeobi.exe	39
PID 2976 wrote to memory of 2800	2976	chromeobi.exe	39
PID 2976 wrote to memory of 2800	2976	chromeobi.exe	39
PID 2976 wrote to memory of 2800	2976	chromeobi.exe	39
PID 2976 wrote to memory of 2800	2976	chromeobi.exe	39
PID 2976 wrote to memory of 2800	2976	chromeobi.exe	39
PID 2976 wrote to memory of 2800	2976	chromeobi.exe	39

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	chromeobi.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	chromeobi.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Payment Error.rtf"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1088

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Downloads MZ/PE file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Roaming\chromeobi.exe
  "C:\Users\Admin\AppData\Roaming\chromeobi.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2976
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\chromeobi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2980
- - C:\Users\Admin\AppData\Roaming\chromeobi.exe
    "C:\Users\Admin\AppData\Roaming\chromeobi.exe"
    3⤵
    - Executes dropped EXE
    PID:2676
- - C:\Users\Admin\AppData\Roaming\chromeobi.exe
    "C:\Users\Admin\AppData\Roaming\chromeobi.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:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Exploitation for Client Execution

1

T1203

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

Browser Information Discovery

1

T1217

System Information Discovery

1

T1082

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

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Downloads

\Users\Admin\AppData\Roaming\chromeobi.exe

Filesize
1.1MB

MD5
2b625e3065e5af534b2a581772c1db95

SHA1
29474b68dd53b9e155ff8dff3c797244f6e0ccb1

SHA256
f94d943733952bb42137de39559664a1978d0e72fc481426dfc037f7f967df8f

SHA512
42fd955ee89a6ca93162122416d51068725bb389ecf3cba8e90aa2973a69d4591584defb2f7081a173853b38ac4b090606256cb06123421db2e031f0557fb5ba

Download Submit
memory/1416-29-0x000000007120D000-0x0000000071218000-memory.dmp

Filesize
44KB

Download
memory/1416-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1416-2-0x000000007120D000-0x0000000071218000-memory.dmp

Filesize
44KB

Download
memory/1416-0-0x000000002F5F1000-0x000000002F5F2000-memory.dmp

Filesize
4KB

Download
memory/2800-38-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2800-45-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2800-43-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2800-41-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2800-40-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-36-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2800-34-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2800-32-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2976-28-0x0000000000620000-0x000000000063E000-memory.dmp

Filesize
120KB

Download
memory/2976-30-0x0000000000550000-0x00000000005DE000-memory.dmp

Filesize
568KB

Download
memory/2976-27-0x00000000011D0000-0x00000000012FA000-memory.dmp

Filesize
1.2MB

Download

Analysis

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