golddragon | bb0a3c784e55bd25f845644b69c57e3e470af51983617fdfe7ba5d253019ed24

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-en-20211208
submitted
12-01-2022 17:52

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General

Target

bb0a3c784e55bd25f845644b69c57e3e470af51983617fdfe7ba5d253019ed24.bin.dll
Size

366KB
MD5

e69294040dab044805c9d7c47fef4844
SHA1

f3a2731e174a68d13b4ae15fab2d7b2788517039
SHA256

bb0a3c784e55bd25f845644b69c57e3e470af51983617fdfe7ba5d253019ed24
SHA512

c1a7bc64f9edf804ef7707dd717e7f8d293a607a96b9339e4acf2fdee1b70c643c1987016882620654c709795775042db9461da11cd4b1a016ea98fcd8e20a8c

Score

10^/10

golddragon backdoor persistence spyware stealer

Malware Config

Signatures

GoldDragon
GoldDragon is a second-stage backdoor attributed to Kimsuky.
backdoor golddragon
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

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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\schedule = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\exts\\hancom.dll\" Run"	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1536 set thread context of 1992	1536	rundll32.exe	43

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1712	tasklist.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
1772	ipconfig.exe
1636	NETSTAT.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1752	systeminfo.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
664	taskkill.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1992	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	664	taskkill.exe
Token: SeDebugPrivilege	1712	tasklist.exe
Token: SeDebugPrivilege	1636	NETSTAT.EXE

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 1536	1488	rundll32.exe	27
PID 1488 wrote to memory of 1536	1488	rundll32.exe	27
PID 1488 wrote to memory of 1536	1488	rundll32.exe	27
PID 1488 wrote to memory of 1536	1488	rundll32.exe	27
PID 1488 wrote to memory of 1536	1488	rundll32.exe	27
PID 1488 wrote to memory of 1536	1488	rundll32.exe	27
PID 1488 wrote to memory of 1536	1488	rundll32.exe	27
PID 1536 wrote to memory of 880	1536	rundll32.exe	28
PID 1536 wrote to memory of 880	1536	rundll32.exe	28
PID 1536 wrote to memory of 880	1536	rundll32.exe	28
PID 1536 wrote to memory of 880	1536	rundll32.exe	28
PID 880 wrote to memory of 664	880	cmd.exe	30
PID 880 wrote to memory of 664	880	cmd.exe	30
PID 880 wrote to memory of 664	880	cmd.exe	30
PID 880 wrote to memory of 664	880	cmd.exe	30
PID 1536 wrote to memory of 1780	1536	rundll32.exe	32
PID 1536 wrote to memory of 1780	1536	rundll32.exe	32
PID 1536 wrote to memory of 1780	1536	rundll32.exe	32
PID 1536 wrote to memory of 1780	1536	rundll32.exe	32
PID 1780 wrote to memory of 1772	1780	cmd.exe	34
PID 1780 wrote to memory of 1772	1780	cmd.exe	34
PID 1780 wrote to memory of 1772	1780	cmd.exe	34
PID 1780 wrote to memory of 1772	1780	cmd.exe	34
PID 1780 wrote to memory of 972	1780	cmd.exe	35
PID 1780 wrote to memory of 972	1780	cmd.exe	35
PID 1780 wrote to memory of 972	1780	cmd.exe	35
PID 1780 wrote to memory of 972	1780	cmd.exe	35
PID 1536 wrote to memory of 1928	1536	rundll32.exe	36
PID 1536 wrote to memory of 1928	1536	rundll32.exe	36
PID 1536 wrote to memory of 1928	1536	rundll32.exe	36
PID 1536 wrote to memory of 1928	1536	rundll32.exe	36
PID 1928 wrote to memory of 1752	1928	cmd.exe	38
PID 1928 wrote to memory of 1752	1928	cmd.exe	38
PID 1928 wrote to memory of 1752	1928	cmd.exe	38
PID 1928 wrote to memory of 1752	1928	cmd.exe	38
PID 1536 wrote to memory of 1084	1536	rundll32.exe	40
PID 1536 wrote to memory of 1084	1536	rundll32.exe	40
PID 1536 wrote to memory of 1084	1536	rundll32.exe	40
PID 1536 wrote to memory of 1084	1536	rundll32.exe	40
PID 1084 wrote to memory of 1712	1084	cmd.exe	42
PID 1084 wrote to memory of 1712	1084	cmd.exe	42
PID 1084 wrote to memory of 1712	1084	cmd.exe	42
PID 1084 wrote to memory of 1712	1084	cmd.exe	42
PID 1536 wrote to memory of 1992	1536	rundll32.exe	43
PID 1536 wrote to memory of 1992	1536	rundll32.exe	43
PID 1536 wrote to memory of 1992	1536	rundll32.exe	43
PID 1536 wrote to memory of 1992	1536	rundll32.exe	43
PID 1536 wrote to memory of 1992	1536	rundll32.exe	43
PID 1536 wrote to memory of 1992	1536	rundll32.exe	43
PID 1992 wrote to memory of 1700	1992	svchost.exe	44
PID 1992 wrote to memory of 1700	1992	svchost.exe	44
PID 1992 wrote to memory of 1700	1992	svchost.exe	44
PID 1992 wrote to memory of 1700	1992	svchost.exe	44
PID 1700 wrote to memory of 1636	1700	cmd.exe	46
PID 1700 wrote to memory of 1636	1700	cmd.exe	46
PID 1700 wrote to memory of 1636	1700	cmd.exe	46
PID 1700 wrote to memory of 1636	1700	cmd.exe	46

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb0a3c784e55bd25f845644b69c57e3e470af51983617fdfe7ba5d253019ed24.bin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb0a3c784e55bd25f845644b69c57e3e470af51983617fdfe7ba5d253019ed24.bin.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1536
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c taskkill /f /im daumcleaner.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:880
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im daumcleaner.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:664
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ipconfig/all >>"C:\Users\Admin\AppData\Roaming\Microsoft\pubs\PI_001.dat" & arp -a >>"C:\Users\Admin\AppData\Roaming\Microsoft\pubs\PI_001.dat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1780
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /all
      4⤵
      Gathers network information
      PID:1772
  - - C:\Windows\SysWOW64\ARP.EXE
      arp -a
      4⤵
      PID:972
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c systeminfo >>"C:\Users\Admin\AppData\Roaming\Microsoft\pubs\PI_001.dat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1928
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:1752
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c tasklist >>"C:\Users\Admin\AppData\Roaming\Microsoft\pubs\PI_001.dat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1084
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:1712
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:1992
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c netstat -a >> "C:\Users\Admin\AppData\Roaming\wininit.db"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1700
    - - C:\Windows\SysWOW64\NETSTAT.EXE
        
        netstat -a
        5⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:1636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Process Discovery

T1057

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1536-55-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/1992-69-0x0000000000180000-0x00000000001DA000-memory.dmp

Filesize
360KB

Download
memory/1992-72-0x0000000000180000-0x00000000001DA000-memory.dmp

Filesize
360KB

Download
memory/1992-68-0x0000000000180000-0x00000000001DA000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads