dridex | 3bb3888ef9a0a1f5a252f43431f3c25c4f4265c0834a114b1ae1a2faee5b5dfa

Analysis

max time kernel
150s
max time network
158s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18/02/2025, 21:55

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General

Target

3bb3888ef9a0a1f5a252f43431f3c25c4f4265c0834a114b1ae1a2faee5b5dfa.dll
Size

608KB
MD5

b97901b96456a2d1574acd475800a052
SHA1

9c1898dec863ab35f8271b3dbbbc56fb0321bea4
SHA256

3bb3888ef9a0a1f5a252f43431f3c25c4f4265c0834a114b1ae1a2faee5b5dfa
SHA512

72c745badd19fbff29ed18bb416ebbb362ba89e24185e3e39bd2b0f18536c9f35f5518298883138bd84abd3ddbd51f19bb2a15b18625bb6c7d8960fe9f9f4f32
SSDEEP

6144:ug12AzW5HsiScvtNybiR8g0ISTFCRVe9/JE+++sKS1JGWWsca65eu9K2zqc4CWAZ:u82AK5HOEksJ1YW7DwzqyQ

Score

10^/10

dridex botnet defense_evasion discovery loader persistence trojan

Malware Config

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 'dmod' strings 2 IoCs

Detects 'dmod' strings in Dridex loader.

botnet loader

resource	yara_rule
behavioral1/memory/2472-0-0x0000000074A00000-0x0000000074A98000-memory.dmp	dridex_ldr_dmod
behavioral1/memory/2472-3-0x0000000074A00000-0x0000000074A98000-memory.dmp	dridex_ldr_dmod

Boot or Logon Autostart Execution: Active Setup 2 TTPs 22 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe
2472	rundll32.exe

Suspicious use of AdjustPrivilegeToken 32 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2956	explorer.exe
Token: SeShutdownPrivilege	2956	explorer.exe
Token: SeShutdownPrivilege	2908	explorer.exe
Token: SeShutdownPrivilege	2908	explorer.exe
Token: SeShutdownPrivilege	2616	explorer.exe
Token: SeShutdownPrivilege	2752	explorer.exe
Token: SeShutdownPrivilege	2752	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	1660	explorer.exe
Token: SeShutdownPrivilege	1660	explorer.exe
Token: SeShutdownPrivilege	2012	explorer.exe
Token: SeShutdownPrivilege	2012	explorer.exe
Token: SeShutdownPrivilege	3056	explorer.exe
Token: SeShutdownPrivilege	2836	explorer.exe
Token: SeShutdownPrivilege	2836	explorer.exe
Token: SeShutdownPrivilege	2836	explorer.exe
Token: SeShutdownPrivilege	2836	explorer.exe
Token: SeShutdownPrivilege	2836	explorer.exe
Token: SeShutdownPrivilege	1976	explorer.exe
Token: SeShutdownPrivilege	1976	explorer.exe
Token: SeShutdownPrivilege	2112	explorer.exe
Token: SeShutdownPrivilege	2112	explorer.exe
Token: SeShutdownPrivilege	2564	explorer.exe
Token: SeShutdownPrivilege	2564	explorer.exe
Token: SeShutdownPrivilege	1072	explorer.exe
Token: SeShutdownPrivilege	1072	explorer.exe
Token: SeShutdownPrivilege	2160	explorer.exe
Token: SeShutdownPrivilege	792	explorer.exe
Token: SeShutdownPrivilege	792	explorer.exe
Token: SeShutdownPrivilege	1192	explorer.exe
Token: SeShutdownPrivilege	1192	explorer.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2472 wrote to memory of 2944	2472	rundll32.exe	31
PID 2472 wrote to memory of 2944	2472	rundll32.exe	31
PID 2472 wrote to memory of 2944	2472	rundll32.exe	31
PID 2472 wrote to memory of 2944	2472	rundll32.exe	31
PID 2472 wrote to memory of 2908	2472	rundll32.exe	32
PID 2472 wrote to memory of 2908	2472	rundll32.exe	32
PID 2472 wrote to memory of 2908	2472	rundll32.exe	32
PID 2472 wrote to memory of 2908	2472	rundll32.exe	32
PID 2472 wrote to memory of 2616	2472	rundll32.exe	33
PID 2472 wrote to memory of 2616	2472	rundll32.exe	33
PID 2472 wrote to memory of 2616	2472	rundll32.exe	33
PID 2472 wrote to memory of 2616	2472	rundll32.exe	33
PID 2472 wrote to memory of 2752	2472	rundll32.exe	34
PID 2472 wrote to memory of 2752	2472	rundll32.exe	34
PID 2472 wrote to memory of 2752	2472	rundll32.exe	34
PID 2472 wrote to memory of 2752	2472	rundll32.exe	34
PID 2472 wrote to memory of 2604	2472	rundll32.exe	35
PID 2472 wrote to memory of 2604	2472	rundll32.exe	35
PID 2472 wrote to memory of 2604	2472	rundll32.exe	35
PID 2472 wrote to memory of 2604	2472	rundll32.exe	35
PID 2472 wrote to memory of 2560	2472	rundll32.exe	36
PID 2472 wrote to memory of 2560	2472	rundll32.exe	36
PID 2472 wrote to memory of 2560	2472	rundll32.exe	36
PID 2472 wrote to memory of 2560	2472	rundll32.exe	36
PID 2472 wrote to memory of 1660	2472	rundll32.exe	37
PID 2472 wrote to memory of 1660	2472	rundll32.exe	37
PID 2472 wrote to memory of 1660	2472	rundll32.exe	37
PID 2472 wrote to memory of 1660	2472	rundll32.exe	37
PID 2472 wrote to memory of 2012	2472	rundll32.exe	38
PID 2472 wrote to memory of 2012	2472	rundll32.exe	38
PID 2472 wrote to memory of 2012	2472	rundll32.exe	38
PID 2472 wrote to memory of 2012	2472	rundll32.exe	38
PID 2472 wrote to memory of 2816	2472	rundll32.exe	39
PID 2472 wrote to memory of 2816	2472	rundll32.exe	39
PID 2472 wrote to memory of 2816	2472	rundll32.exe	39
PID 2472 wrote to memory of 2816	2472	rundll32.exe	39
PID 2472 wrote to memory of 3056	2472	rundll32.exe	40
PID 2472 wrote to memory of 3056	2472	rundll32.exe	40
PID 2472 wrote to memory of 3056	2472	rundll32.exe	40
PID 2472 wrote to memory of 3056	2472	rundll32.exe	40
PID 2472 wrote to memory of 2368	2472	rundll32.exe	41
PID 2472 wrote to memory of 2368	2472	rundll32.exe	41
PID 2472 wrote to memory of 2368	2472	rundll32.exe	41
PID 2472 wrote to memory of 2368	2472	rundll32.exe	41
PID 2472 wrote to memory of 2836	2472	rundll32.exe	42
PID 2472 wrote to memory of 2836	2472	rundll32.exe	42
PID 2472 wrote to memory of 2836	2472	rundll32.exe	42
PID 2472 wrote to memory of 2836	2472	rundll32.exe	42
PID 2472 wrote to memory of 1176	2472	rundll32.exe	43
PID 2472 wrote to memory of 1176	2472	rundll32.exe	43
PID 2472 wrote to memory of 1176	2472	rundll32.exe	43
PID 2472 wrote to memory of 1176	2472	rundll32.exe	43
PID 2472 wrote to memory of 1976	2472	rundll32.exe	44
PID 2472 wrote to memory of 1976	2472	rundll32.exe	44
PID 2472 wrote to memory of 1976	2472	rundll32.exe	44
PID 2472 wrote to memory of 1976	2472	rundll32.exe	44
PID 2472 wrote to memory of 2252	2472	rundll32.exe	45

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bb3888ef9a0a1f5a252f43431f3c25c4f4265c0834a114b1ae1a2faee5b5dfa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bb3888ef9a0a1f5a252f43431f3c25c4f4265c0834a114b1ae1a2faee5b5dfa.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2944
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:2908
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:2616
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:2752
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    PID:2604
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:2560
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:1660
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:2012
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    PID:2816
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:3056
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    PID:2368
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2836
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    PID:1176
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:1976
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2252
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:2112
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:2564
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:1072
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2640
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:2160
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    PID:2480
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:792
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    PID:1836
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Suspicious use of AdjustPrivilegeToken
    PID:1192
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:584

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Suspicious use of AdjustPrivilegeToken
PID:2956

C:\Windows\explorer.exe
explorer.exe
1⤵
PID:2384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2472-0-0x0000000074A00000-0x0000000074A98000-memory.dmp

Filesize
608KB

Download
memory/2472-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2472-3-0x0000000074A00000-0x0000000074A98000-memory.dmp

Filesize
608KB

Download