dridex | 267641e1e3454a8fc90815b8c8a69f07b05ccab24b11a9978deae96f1a4cdd84

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:48

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General

Target

JaffaCakes118_267641e1e3454a8fc90815b8c8a69f07b05ccab24b11a9978deae96f1a4cdd84.dll
Size

184KB
MD5

83b2acee9a14c0049aad2559b6d26cf3
SHA1

cebbe7fcc381b38d573dcf3c091df4d754f6e768
SHA256

267641e1e3454a8fc90815b8c8a69f07b05ccab24b11a9978deae96f1a4cdd84
SHA512

96b9905af69f62dbef22da36bc9038ee60fdc0d1b24240ee6d95036080d39638c15eaf3768542288cbbc2ef2f91b71326b2715f06e3f7f537b20d625e90048e1
SSDEEP

3072:GJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JJa//2uFrSc:vfYOX+wTScR/Xzku9LVwiuG

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 family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2940-1-0x0000000074540000-0x000000007456F000-memory.dmp	dridex_ldr
behavioral1/memory/2940-2-0x0000000074540000-0x000000007456F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2852	2940	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 2728 wrote to memory of 2940	2728	rundll32.exe	30
PID 2728 wrote to memory of 2940	2728	rundll32.exe	30
PID 2728 wrote to memory of 2940	2728	rundll32.exe	30
PID 2728 wrote to memory of 2940	2728	rundll32.exe	30
PID 2728 wrote to memory of 2940	2728	rundll32.exe	30
PID 2728 wrote to memory of 2940	2728	rundll32.exe	30
PID 2728 wrote to memory of 2940	2728	rundll32.exe	30
PID 2940 wrote to memory of 2852	2940	rundll32.exe	31
PID 2940 wrote to memory of 2852	2940	rundll32.exe	31
PID 2940 wrote to memory of 2852	2940	rundll32.exe	31
PID 2940 wrote to memory of 2852	2940	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_267641e1e3454a8fc90815b8c8a69f07b05ccab24b11a9978deae96f1a4cdd84.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_267641e1e3454a8fc90815b8c8a69f07b05ccab24b11a9978deae96f1a4cdd84.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 220
    3⤵
    - Program crash
    PID:2852

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/2940-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2940-1-0x0000000074540000-0x000000007456F000-memory.dmp

Filesize
188KB

Download
memory/2940-2-0x0000000074540000-0x000000007456F000-memory.dmp

Filesize
188KB

Download
memory/2940-4-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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