dridex | 80406aebe784a23b979948bd16c35d8bcac2a61c753f1810bc18feeb0bf8601a

Analysis

max time kernel
98s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:27

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General

Target

JaffaCakes118_80406aebe784a23b979948bd16c35d8bcac2a61c753f1810bc18feeb0bf8601a.dll
Size

204KB
MD5

3e08b700baea74e186897b883ccc4bdb
SHA1

71ce0359e5468d546562dd3417b055ef4bd0c118
SHA256

80406aebe784a23b979948bd16c35d8bcac2a61c753f1810bc18feeb0bf8601a
SHA512

ee9d83b130d9b7cdd6f0ea22c8dfc556934bea08a18e667ef0760c6089768d56165933223de1afbf207c7b280b926d206e951e06ba52dd91051f794c685a6225
SSDEEP

3072:26FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:2ZuX6pEaeEDheWa+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/2436-1-0x0000000074C50000-0x0000000074C85000-memory.dmp	dridex_ldr
behavioral1/memory/2436-4-0x0000000074C50000-0x0000000074C85000-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 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30
PID 3052 wrote to memory of 2436	3052	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80406aebe784a23b979948bd16c35d8bcac2a61c753f1810bc18feeb0bf8601a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80406aebe784a23b979948bd16c35d8bcac2a61c753f1810bc18feeb0bf8601a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2436

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/2436-0-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2436-1-0x0000000074C50000-0x0000000074C85000-memory.dmp

Filesize
212KB

Download
memory/2436-3-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2436-4-0x0000000074C50000-0x0000000074C85000-memory.dmp

Filesize
212KB

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