dridex | 255abf1b06581cde31cce01ab29ee6a9950d7ae0b5008ec172730377139e6ead

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:14

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General

Target

JaffaCakes118_255abf1b06581cde31cce01ab29ee6a9950d7ae0b5008ec172730377139e6ead.dll
Size

184KB
MD5

10c3c0e09100d62c2390488995bcb28f
SHA1

438c27f752c7c234dfc938d5aeb8678a69c92a3c
SHA256

255abf1b06581cde31cce01ab29ee6a9950d7ae0b5008ec172730377139e6ead
SHA512

7190aef55373c12aa2fdcad6b0633deb05b974eb21bea50fa5b699439a8746b5e5082103ed7c2c4a87261b19d38e102f37a2eef92a4ba651e363abedb0cd4fad
SSDEEP

3072:siLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoFlzoxss7:siLVCIT4WK2z1W+CUHZj4Skq/eaoLoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1992-1-0x0000000074A10000-0x0000000074A3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2088	1992	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 2116 wrote to memory of 1992	2116	rundll32.exe	30
PID 2116 wrote to memory of 1992	2116	rundll32.exe	30
PID 2116 wrote to memory of 1992	2116	rundll32.exe	30
PID 2116 wrote to memory of 1992	2116	rundll32.exe	30
PID 2116 wrote to memory of 1992	2116	rundll32.exe	30
PID 2116 wrote to memory of 1992	2116	rundll32.exe	30
PID 2116 wrote to memory of 1992	2116	rundll32.exe	30
PID 1992 wrote to memory of 2088	1992	rundll32.exe	32
PID 1992 wrote to memory of 2088	1992	rundll32.exe	32
PID 1992 wrote to memory of 2088	1992	rundll32.exe	32
PID 1992 wrote to memory of 2088	1992	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_255abf1b06581cde31cce01ab29ee6a9950d7ae0b5008ec172730377139e6ead.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_255abf1b06581cde31cce01ab29ee6a9950d7ae0b5008ec172730377139e6ead.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 220
    3⤵
    - Program crash
    PID:2088

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/1992-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1992-1-0x0000000074A10000-0x0000000074A3F000-memory.dmp

Filesize
188KB

Download
memory/1992-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download