dridex | a1c62fd31888f7f89a96ddcaf057cb3dfb3096b3193f5d1af0d02936697f958b

Analysis

max time kernel
53s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:36

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General

Target

JaffaCakes118_a1c62fd31888f7f89a96ddcaf057cb3dfb3096b3193f5d1af0d02936697f958b.dll
Size

159KB
MD5

cce29fedab669a9cdcc74d3dcdd28edb
SHA1

bb8640a4dc5dd4ea754eab8e4d122d10b09b0632
SHA256

a1c62fd31888f7f89a96ddcaf057cb3dfb3096b3193f5d1af0d02936697f958b
SHA512

081689455e823b82df74bdd7e1866c4ff5ea7fb4b08ef38110b85dbbe68726b2c0fe610515445a54ff2f4d9ae565045b2c18206a644d46c039df5168f1f3bcce
SSDEEP

3072:z78CMtKJlXoDFwXrdV/9/uWIdojDZl4epTGmoAc7iTRilfn6wlYYOZwd:UnClX8WZ7/HrRCADTR0VlIZw

Score

10^/10

dridex 22203 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22203

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/2684-1-0x0000000010000000-0x000000001002D000-memory.dmp	dridex_ldr
behavioral1/memory/2684-2-0x0000000010000000-0x000000001002D000-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 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a1c62fd31888f7f89a96ddcaf057cb3dfb3096b3193f5d1af0d02936697f958b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a1c62fd31888f7f89a96ddcaf057cb3dfb3096b3193f5d1af0d02936697f958b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2684

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

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Downloads

memory/2684-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2684-1-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

Download
memory/2684-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2684-2-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

Download