dridex | 01e4f0be709737da6c9dc074de773a78a89292cf58816bedce7991b2e796dd24

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13-08-2024 18:08

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General

Target

01e4f0be709737da6c9dc074de773a78a89292cf58816bedce7991b2e796dd24.dll
Size

184KB
MD5

cf6788c734ec3082f2d48d6ce248fd70
SHA1

535b5a506ec3c8355e73a8535421f287ba6814e5
SHA256

01e4f0be709737da6c9dc074de773a78a89292cf58816bedce7991b2e796dd24
SHA512

8b4849135a2b8f7b51ab46e3d329c5c55e247f4fcf463f73b40171406eaf1e7453d391b1cba54180f6a8fc2dbdaadd9a3a162f96435f28c9a0dccf788d7d033b
SSDEEP

3072:092qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTNrLA:09NSMOEpQ1Q3ODAr+V9

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2964-0-0x0000000074860000-0x000000007488F000-memory.dmp	dridex_ldr
behavioral1/memory/2964-2-0x0000000074860000-0x000000007488F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2976	2964	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 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2964 wrote to memory of 2976	2964	rundll32.exe	31
PID 2964 wrote to memory of 2976	2964	rundll32.exe	31
PID 2964 wrote to memory of 2976	2964	rundll32.exe	31
PID 2964 wrote to memory of 2976	2964	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\01e4f0be709737da6c9dc074de773a78a89292cf58816bedce7991b2e796dd24.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\01e4f0be709737da6c9dc074de773a78a89292cf58816bedce7991b2e796dd24.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2964 -s 224
    3⤵
    - Program crash
    PID:2976

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/2964-0-0x0000000074860000-0x000000007488F000-memory.dmp

Filesize
188KB

Download
memory/2964-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2964-2-0x0000000074860000-0x000000007488F000-memory.dmp

Filesize
188KB

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