dridex | 2b743770a24519b3deb2ef349f1bd38f18d0bdae2231ee2e23bb8a415765627b

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
30/12/2024, 05:56

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General

Target

JaffaCakes118_2b743770a24519b3deb2ef349f1bd38f18d0bdae2231ee2e23bb8a415765627b.dll
Size

170KB
MD5

829a3b3cf968aea22ba11a5220c2b468
SHA1

79c6a90de1732d00d20a3186ea85a37085e07796
SHA256

2b743770a24519b3deb2ef349f1bd38f18d0bdae2231ee2e23bb8a415765627b
SHA512

0304e3ca9ce633ac9cfeaff78284a15b83e0bbf1456da6d129a4e4876de31e54f729d5f2a6d9a0b7c9c5e134b013239cc3a0d5b0b2fcb6697188b6553613d922
SSDEEP

3072:OqWLBTrGNr0gl+CI3bc4ThMXu6GkqFmLqmjcRVmkHkKFhG2wwUJ5/lB:AVqNd+CIQHXu9VFmu0qU2CJ5

Score

10^/10

dridex 40112 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

40112

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/2124-1-0x0000000074EC0000-0x0000000074EF0000-memory.dmp	dridex_ldr
behavioral1/memory/2124-2-0x0000000074EC0000-0x0000000074EF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2860	2124	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 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2660 wrote to memory of 2124	2660	rundll32.exe	29
PID 2124 wrote to memory of 2860	2124	rundll32.exe	30
PID 2124 wrote to memory of 2860	2124	rundll32.exe	30
PID 2124 wrote to memory of 2860	2124	rundll32.exe	30
PID 2124 wrote to memory of 2860	2124	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2b743770a24519b3deb2ef349f1bd38f18d0bdae2231ee2e23bb8a415765627b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2b743770a24519b3deb2ef349f1bd38f18d0bdae2231ee2e23bb8a415765627b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 264
    3⤵
    - Program crash
    PID:2860

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

Replay Monitor

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Downloads

memory/2124-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2124-1-0x0000000074EC0000-0x0000000074EF0000-memory.dmp

Filesize
192KB

Download
memory/2124-3-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2124-2-0x0000000074EC0000-0x0000000074EF0000-memory.dmp

Filesize
192KB

Download