dridex | 79e74b2ec617f27dcb58e35b2ce7ac3f83040a07eb29ac9e92d838461bddc726

Analysis

max time kernel
126s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 05:12

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General

Target

JaffaCakes118_79e74b2ec617f27dcb58e35b2ce7ac3f83040a07eb29ac9e92d838461bddc726.dll
Size

204KB
MD5

643be4b51edec4ea6962aef75b66e8c3
SHA1

b9c499fbd0f2635a2492baed6dc8de487bc32e99
SHA256

79e74b2ec617f27dcb58e35b2ce7ac3f83040a07eb29ac9e92d838461bddc726
SHA512

bb0897c3c081e1f1aaa21999b810956d63f2ae7384d9c6eb4f6231a805135ce1144280e32ffe4466bfe33d5920c0f91ef80b67ec63d30e880a810278ce9eb956
SSDEEP

3072:+6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:+ZuX6pEaeEDheWa+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/2324-0-0x0000000075330000-0x0000000075365000-memory.dmp	dridex_ldr
behavioral1/memory/2324-3-0x0000000075330000-0x0000000075365000-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 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79e74b2ec617f27dcb58e35b2ce7ac3f83040a07eb29ac9e92d838461bddc726.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79e74b2ec617f27dcb58e35b2ce7ac3f83040a07eb29ac9e92d838461bddc726.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2324

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/2324-0-0x0000000075330000-0x0000000075365000-memory.dmp

Filesize
212KB

Download
memory/2324-1-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2324-3-0x0000000075330000-0x0000000075365000-memory.dmp

Filesize
212KB

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