dridex | e2d0fc38564a4381f590fa98496117fbdaac106a4f3fb48b4c171f070edb7a27

Analysis

max time kernel
141s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 01:05

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General

Target

e2d0fc38564a4381f590fa98496117fbdaac106a4f3fb48b4c171f070edb7a27.dll
Size

184KB
MD5

cd6788efb4d70390b7c6f019e5cac5fb
SHA1

01e643bbea8d13b38bac802da5caa6e7099267d1
SHA256

e2d0fc38564a4381f590fa98496117fbdaac106a4f3fb48b4c171f070edb7a27
SHA512

4a13208c9176ea498d13f8f880d0627c5c1b69749f0fb196e4173c5629e8ac8f8fe2a529c2576aefe84449fe0e58e379b59b5885d05b7d542bf0df89215209ad
SSDEEP

3072:lJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jra//2uFrSc:OfYOX+wTScR/Xzku9LVwQuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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/2128-0-0x0000000075290000-0x00000000752BF000-memory.dmp	dridex_ldr
behavioral1/memory/2128-3-0x0000000075290000-0x00000000752BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	2128	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 2604 wrote to memory of 2128	2604	rundll32.exe	30
PID 2604 wrote to memory of 2128	2604	rundll32.exe	30
PID 2604 wrote to memory of 2128	2604	rundll32.exe	30
PID 2604 wrote to memory of 2128	2604	rundll32.exe	30
PID 2604 wrote to memory of 2128	2604	rundll32.exe	30
PID 2604 wrote to memory of 2128	2604	rundll32.exe	30
PID 2604 wrote to memory of 2128	2604	rundll32.exe	30
PID 2128 wrote to memory of 2788	2128	rundll32.exe	31
PID 2128 wrote to memory of 2788	2128	rundll32.exe	31
PID 2128 wrote to memory of 2788	2128	rundll32.exe	31
PID 2128 wrote to memory of 2788	2128	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2d0fc38564a4381f590fa98496117fbdaac106a4f3fb48b4c171f070edb7a27.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2d0fc38564a4381f590fa98496117fbdaac106a4f3fb48b4c171f070edb7a27.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 220
    3⤵
    - Program crash
    PID:2788

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/2128-0-0x0000000075290000-0x00000000752BF000-memory.dmp

Filesize
188KB

Download
memory/2128-2-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2128-3-0x0000000075290000-0x00000000752BF000-memory.dmp

Filesize
188KB

Download