dridex | cdbb73f901ee4af6ee22000da88bc3d3264d6bb00405f5ded202337e31114be7

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:33

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General

Target

JaffaCakes118_cdbb73f901ee4af6ee22000da88bc3d3264d6bb00405f5ded202337e31114be7.dll
Size

204KB
MD5

f07c7cbfb5125a8d22adf6ce73e35b7b
SHA1

a21b2985e197aa23f4a027e1ca112ae270ee0b73
SHA256

cdbb73f901ee4af6ee22000da88bc3d3264d6bb00405f5ded202337e31114be7
SHA512

6227cea6004316b3fe9a6be9ea68085f556bf3ea55b8193afa1d4fa0d3f9e6617c89a1aed10523994760a14c607bcae6ccb7756b86a8c4ab9881215713410559
SSDEEP

3072:T6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:TZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

rc4.plain

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1740-1-0x0000000074540000-0x0000000074575000-memory.dmp	dridex_ldr
behavioral1/memory/1740-2-0x0000000074540000-0x0000000074575000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

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 use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30
PID 1528 wrote to memory of 1740	1528	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cdbb73f901ee4af6ee22000da88bc3d3264d6bb00405f5ded202337e31114be7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cdbb73f901ee4af6ee22000da88bc3d3264d6bb00405f5ded202337e31114be7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1740-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1740-1-0x0000000074540000-0x0000000074575000-memory.dmp

Filesize
212KB

Download
memory/1740-2-0x0000000074540000-0x0000000074575000-memory.dmp

Filesize
212KB

Download
memory/1740-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download