dridex | c723379e1108bafd54dc1ee2a357d69b9f3e4a6ba639e46f860564e4378333d2

Analysis

max time kernel
26s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 22:48

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General

Target

JaffaCakes118_c723379e1108bafd54dc1ee2a357d69b9f3e4a6ba639e46f860564e4378333d2.dll
Size

184KB
MD5

3dbfb8bf637cdb53b2ac5674304bf609
SHA1

a4089e48816476d94a3ed38acaafeee9c8ce9bbc
SHA256

c723379e1108bafd54dc1ee2a357d69b9f3e4a6ba639e46f860564e4378333d2
SHA512

f05f0c409ffd397abacc8a9f609ad319812d2f301dea33b9b465ff0072e3492e6c2a27baed6a4b99ad201ccbdec34ba26f988f4f1999047b697e729530244f97
SSDEEP

3072:JiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoMlzoxss7:JiLVCIT4WK2z1W+CUHZj4Skq/eaoyoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2388-1-0x0000000074EC0000-0x0000000074EEF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2840	2388	WerFault.exe	29

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 11 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2388 wrote to memory of 2840	2388	rundll32.exe	30
PID 2388 wrote to memory of 2840	2388	rundll32.exe	30
PID 2388 wrote to memory of 2840	2388	rundll32.exe	30
PID 2388 wrote to memory of 2840	2388	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c723379e1108bafd54dc1ee2a357d69b9f3e4a6ba639e46f860564e4378333d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c723379e1108bafd54dc1ee2a357d69b9f3e4a6ba639e46f860564e4378333d2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 224
    3⤵
    - Program crash
    PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2388-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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memory/2388-1-0x0000000074EC0000-0x0000000074EEF000-memory.dmp

Filesize
188KB

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