dridex | 879bf5f0cbcb550e30a5a6510dfcf34f0fd708e245f8f368057121bc33aca71d

Analysis

max time kernel
111s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 11:42

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General

Target

88d27cc37c767d17db6f807e9c78cd30N.dll
Size

184KB
MD5

88d27cc37c767d17db6f807e9c78cd30
SHA1

8ced8fd042708544e80653abd8161ad0c14ab521
SHA256

879bf5f0cbcb550e30a5a6510dfcf34f0fd708e245f8f368057121bc33aca71d
SHA512

68a3291264ec1437f294abc58b3ce7e1507da6d8228feaf2e7e6b2f09066ff33e9b72eeec52e8fd11916ca6f2ba164d68db0279c312fad8f6bbcf036ed1acc57
SSDEEP

3072:OJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J6a//2uFrSc:3fYOX+wTScR/Xzku9LVw9uG

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/2956-1-0x0000000074860000-0x000000007488F000-memory.dmp	dridex_ldr
behavioral1/memory/2956-2-0x0000000074860000-0x000000007488F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	2956	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 2220 wrote to memory of 2956	2220	rundll32.exe	30
PID 2220 wrote to memory of 2956	2220	rundll32.exe	30
PID 2220 wrote to memory of 2956	2220	rundll32.exe	30
PID 2220 wrote to memory of 2956	2220	rundll32.exe	30
PID 2220 wrote to memory of 2956	2220	rundll32.exe	30
PID 2220 wrote to memory of 2956	2220	rundll32.exe	30
PID 2220 wrote to memory of 2956	2220	rundll32.exe	30
PID 2956 wrote to memory of 2776	2956	rundll32.exe	31
PID 2956 wrote to memory of 2776	2956	rundll32.exe	31
PID 2956 wrote to memory of 2776	2956	rundll32.exe	31
PID 2956 wrote to memory of 2776	2956	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\88d27cc37c767d17db6f807e9c78cd30N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\88d27cc37c767d17db6f807e9c78cd30N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 224
    3⤵
    - Program crash
    PID:2776

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

Filesize
24KB

Download
memory/2956-1-0x0000000074860000-0x000000007488F000-memory.dmp

Filesize
188KB

Download
memory/2956-2-0x0000000074860000-0x000000007488F000-memory.dmp

Filesize
188KB

Download
memory/2956-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download