dridex | bdf7b4661c3fddd269c6441f3d19db9af76fc0116fcf1528ea5b2ab2698cd7a2

Analysis

max time kernel
74s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:37

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General

Target

JaffaCakes118_bdf7b4661c3fddd269c6441f3d19db9af76fc0116fcf1528ea5b2ab2698cd7a2.dll
Size

171KB
MD5

0c874de7892c6da0e556f7039e4aeb85
SHA1

f81f04ea975beabcfdd1bfcde8c9eae649759d7a
SHA256

bdf7b4661c3fddd269c6441f3d19db9af76fc0116fcf1528ea5b2ab2698cd7a2
SHA512

023b696d6d1f71dc80f740f431efae4374fc0d42d8b88c039826d90e8746711abe3873d5be202dfd9a71e269ee3f23c7c32118d2e8d427495c642b806a936002
SSDEEP

3072:ni49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:nH9RVaPEmsdHdbQUbd2H3

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/1740-1-0x0000000075400000-0x0000000075430000-memory.dmp	dridex_ldr
behavioral1/memory/1740-2-0x0000000075400000-0x0000000075430000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1984	1740	WerFault.exe	30

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 1880 wrote to memory of 1740	1880	rundll32.exe	30
PID 1880 wrote to memory of 1740	1880	rundll32.exe	30
PID 1880 wrote to memory of 1740	1880	rundll32.exe	30
PID 1880 wrote to memory of 1740	1880	rundll32.exe	30
PID 1880 wrote to memory of 1740	1880	rundll32.exe	30
PID 1880 wrote to memory of 1740	1880	rundll32.exe	30
PID 1880 wrote to memory of 1740	1880	rundll32.exe	30
PID 1740 wrote to memory of 1984	1740	rundll32.exe	31
PID 1740 wrote to memory of 1984	1740	rundll32.exe	31
PID 1740 wrote to memory of 1984	1740	rundll32.exe	31
PID 1740 wrote to memory of 1984	1740	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdf7b4661c3fddd269c6441f3d19db9af76fc0116fcf1528ea5b2ab2698cd7a2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdf7b4661c3fddd269c6441f3d19db9af76fc0116fcf1528ea5b2ab2698cd7a2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 264
    3⤵
    - Program crash
    PID:1984

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/1740-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1740-1-0x0000000075400000-0x0000000075430000-memory.dmp

Filesize
192KB

Download
memory/1740-2-0x0000000075400000-0x0000000075430000-memory.dmp

Filesize
192KB

Download
memory/1740-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download