golddragon | 237deba138355bfb448e74bfb68fc868f4807b24d68715a6d47e348fc0cf9257

Analysis

max time kernel
118s
max time network
126s
platform
windows7_x64
resource
win7-en-20211208
submitted
09-01-2022 20:21

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General

Target

E11E2425C62F34EBB3F640BAEEFB67D5.exe.dll
Size

105.8MB
MD5

e11e2425c62f34ebb3f640baeefb67d5
SHA1

7dc6f8aaaf4431c365564a51dd37c143d857b89e
SHA256

237deba138355bfb448e74bfb68fc868f4807b24d68715a6d47e348fc0cf9257
SHA512

a0739d0141b41bcec079de8fac6df70dc93100721ad1f04ef9cbbf52102ed4b7bbfd7f088618ce9ac939d8fa7d6837a0c822c303d55d7c7fb2d1221d13703e48

Score

10^/10

golddragon backdoor persistence spyware stealer

Malware Config

Signatures

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

GoldDragon 2021 Stage2 infostealer 3 IoCs

Detect GoldDragon InfoStealer Stage 2.

stealer

resource	yara_rule
behavioral1/memory/700-70-0x00000000000DCC77-mapping.dmp	golddragon_stage2
behavioral1/memory/700-69-0x00000000000D0000-0x0000000000129000-memory.dmp	golddragon_stage2
behavioral1/memory/700-72-0x00000000000D0000-0x0000000000129000-memory.dmp	golddragon_stage2

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\dropbox = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Roaming\\OneDriver\\down\\OneDrivecache.dll\" Run"	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1180 set thread context of 700	1180	rundll32.exe	43

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
360	tasklist.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
1552	ipconfig.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1512	systeminfo.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
784	taskkill.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
700	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	784	taskkill.exe
Token: SeDebugPrivilege	360	tasklist.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 1180	1916	rundll32.exe	27
PID 1916 wrote to memory of 1180	1916	rundll32.exe	27
PID 1916 wrote to memory of 1180	1916	rundll32.exe	27
PID 1916 wrote to memory of 1180	1916	rundll32.exe	27
PID 1916 wrote to memory of 1180	1916	rundll32.exe	27
PID 1916 wrote to memory of 1180	1916	rundll32.exe	27
PID 1916 wrote to memory of 1180	1916	rundll32.exe	27
PID 1180 wrote to memory of 544	1180	rundll32.exe	28
PID 1180 wrote to memory of 544	1180	rundll32.exe	28
PID 1180 wrote to memory of 544	1180	rundll32.exe	28
PID 1180 wrote to memory of 544	1180	rundll32.exe	28
PID 544 wrote to memory of 784	544	cmd.exe	30
PID 544 wrote to memory of 784	544	cmd.exe	30
PID 544 wrote to memory of 784	544	cmd.exe	30
PID 544 wrote to memory of 784	544	cmd.exe	30
PID 1180 wrote to memory of 1116	1180	rundll32.exe	32
PID 1180 wrote to memory of 1116	1180	rundll32.exe	32
PID 1180 wrote to memory of 1116	1180	rundll32.exe	32
PID 1180 wrote to memory of 1116	1180	rundll32.exe	32
PID 1116 wrote to memory of 1552	1116	cmd.exe	34
PID 1116 wrote to memory of 1552	1116	cmd.exe	34
PID 1116 wrote to memory of 1552	1116	cmd.exe	34
PID 1116 wrote to memory of 1552	1116	cmd.exe	34
PID 1116 wrote to memory of 1208	1116	cmd.exe	35
PID 1116 wrote to memory of 1208	1116	cmd.exe	35
PID 1116 wrote to memory of 1208	1116	cmd.exe	35
PID 1116 wrote to memory of 1208	1116	cmd.exe	35
PID 1180 wrote to memory of 1216	1180	rundll32.exe	36
PID 1180 wrote to memory of 1216	1180	rundll32.exe	36
PID 1180 wrote to memory of 1216	1180	rundll32.exe	36
PID 1180 wrote to memory of 1216	1180	rundll32.exe	36
PID 1216 wrote to memory of 1512	1216	cmd.exe	38
PID 1216 wrote to memory of 1512	1216	cmd.exe	38
PID 1216 wrote to memory of 1512	1216	cmd.exe	38
PID 1216 wrote to memory of 1512	1216	cmd.exe	38
PID 1180 wrote to memory of 1700	1180	rundll32.exe	40
PID 1180 wrote to memory of 1700	1180	rundll32.exe	40
PID 1180 wrote to memory of 1700	1180	rundll32.exe	40
PID 1180 wrote to memory of 1700	1180	rundll32.exe	40
PID 1700 wrote to memory of 360	1700	cmd.exe	42
PID 1700 wrote to memory of 360	1700	cmd.exe	42
PID 1700 wrote to memory of 360	1700	cmd.exe	42
PID 1700 wrote to memory of 360	1700	cmd.exe	42
PID 1180 wrote to memory of 700	1180	rundll32.exe	43
PID 1180 wrote to memory of 700	1180	rundll32.exe	43
PID 1180 wrote to memory of 700	1180	rundll32.exe	43
PID 1180 wrote to memory of 700	1180	rundll32.exe	43
PID 1180 wrote to memory of 700	1180	rundll32.exe	43
PID 1180 wrote to memory of 700	1180	rundll32.exe	43

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\E11E2425C62F34EBB3F640BAEEFB67D5.exe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\E11E2425C62F34EBB3F640BAEEFB67D5.exe.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c taskkill /f /im daumcleaner.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:544
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im daumcleaner.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:784
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ipconfig/all >>"C:\Users\Admin\AppData\Roaming\OneDriver\out\PI_001.dat" & arp -a >>"C:\Users\Admin\AppData\Roaming\OneDriver\out\PI_001.dat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1116
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /all
      4⤵
      Gathers network information
      PID:1552
  - - C:\Windows\SysWOW64\ARP.EXE
      arp -a
      4⤵
      PID:1208
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c systeminfo >>"C:\Users\Admin\AppData\Roaming\OneDriver\out\PI_001.dat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1216
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:1512
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c tasklist >>"C:\Users\Admin\AppData\Roaming\OneDriver\out\PI_001.dat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1700
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:360
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    PID:700

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/700-72-0x00000000000D0000-0x0000000000129000-memory.dmp

Filesize
356KB

Download
memory/700-69-0x00000000000D0000-0x0000000000129000-memory.dmp

Filesize
356KB

Download
memory/700-68-0x00000000000D0000-0x0000000000129000-memory.dmp

Filesize
356KB

Download
memory/1180-55-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads