dridex | 89963cbea00dd448757c1f80e1f264f26becbb03c6830708bc6bb839b01c1df2

Analysis

max time kernel
142s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
07/01/2024, 19:37

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General

Target
4985b594ad312f51603493649388ab25.dll
Size 188KB
Sample240107-yb8fgacgap
SHA256 89963cbea00dd448757c1f80e1f264f26becbb03c6830708bc6bb839b01c1df2
MD5 4985b594ad312f51603493649388ab25
SHA1 ef355381bfe4b5d1d2972f505f4eae1cab2aafe4
SHA512 18c96b693c90ae1aad40c376ae71cbf9f8855f97b9bffd2210ba2b78768774ba6a0549f0e76a625e402a15393718d275430943471fe47380775f0a9a3f5aa9d9
SSDEEP 3072:DH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWt7dU:DUua/Pv7YNhRIEZDeXVpAxtMsxK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2956-0-0x0000000074DA0000-0x0000000074DD0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3036	2956	WerFault.exe	16

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2956	2660	rundll32.exe	16
PID 2660 wrote to memory of 2956	2660	rundll32.exe	16
PID 2660 wrote to memory of 2956	2660	rundll32.exe	16
PID 2660 wrote to memory of 2956	2660	rundll32.exe	16
PID 2660 wrote to memory of 2956	2660	rundll32.exe	16
PID 2660 wrote to memory of 2956	2660	rundll32.exe	16
PID 2660 wrote to memory of 2956	2660	rundll32.exe	16
PID 2956 wrote to memory of 3036	2956	rundll32.exe	29
PID 2956 wrote to memory of 3036	2956	rundll32.exe	29
PID 2956 wrote to memory of 3036	2956	rundll32.exe	29
PID 2956 wrote to memory of 3036	2956	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4985b594ad312f51603493649388ab25.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4985b594ad312f51603493649388ab25.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 300
    3⤵
    - Program crash
    PID:3036

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2956-2-0x0000000000140000-0x0000000000146000-memory.dmp

Download

memory/2956-0-0x0000000074DA0000-0x0000000074DD0000-memory.dmp