dridex | 585261f4880a64f3815d32f1184f3f80531a37be58bfcd95a8c47435650ab04c

Analysis

max time kernel
57s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:22

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General

Target

JaffaCakes118_585261f4880a64f3815d32f1184f3f80531a37be58bfcd95a8c47435650ab04c.dll
Size

162KB
MD5

9c07b7b6757e3a40837d6a7df9fca77e
SHA1

cbe816d1b6ba3d4fb4fead89fa0e58f18a2fba06
SHA256

585261f4880a64f3815d32f1184f3f80531a37be58bfcd95a8c47435650ab04c
SHA512

2eb83772236d3862040baa06a4dfa2511bf9c7f7d0dde8bd90132ff94c5e80c33cb97129fe51520b063bd1cdc4e90523c1eaafee8391c4f00adb738ec01d7e2a
SSDEEP

3072:zmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:CLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/2532-1-0x0000000074B20000-0x0000000074B4E000-memory.dmp	dridex_ldr
behavioral1/memory/2532-2-0x0000000074B20000-0x0000000074B4E000-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 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30
PID 2744 wrote to memory of 2532	2744	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_585261f4880a64f3815d32f1184f3f80531a37be58bfcd95a8c47435650ab04c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_585261f4880a64f3815d32f1184f3f80531a37be58bfcd95a8c47435650ab04c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2532

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/2532-0-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/2532-1-0x0000000074B20000-0x0000000074B4E000-memory.dmp

Filesize
184KB

Download
memory/2532-2-0x0000000074B20000-0x0000000074B4E000-memory.dmp

Filesize
184KB

Download
memory/2532-3-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download