dridex | b5c91b3ddfcd398da32f6ecb3a7820082481ef53c4088bd81b1ef047b5b8f7d9

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 18:40

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General

Target

JaffaCakes118_b5c91b3ddfcd398da32f6ecb3a7820082481ef53c4088bd81b1ef047b5b8f7d9.dll
Size

163KB
MD5

530b2282f125b2093e814b1da566adf9
SHA1

b211caaad55e53b059b9fa2cd6ceb4fe03fa32d6
SHA256

b5c91b3ddfcd398da32f6ecb3a7820082481ef53c4088bd81b1ef047b5b8f7d9
SHA512

457263e58ef5724ebb40053422e663e2a37b132e2725010fa863c9f9574a763e9d799e9815d72715c94e4ce7bf51dbb31a8a5fcdc30710dcaba92b1d01b33f68
SSDEEP

3072:var6Ys6p54kfdo+APr0aYSbeO6aal8jeytFQTOpp2J:Js4p+ADxnSO6D2cOp

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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/2816-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2816	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 2756 wrote to memory of 2816	2756	rundll32.exe	30
PID 2756 wrote to memory of 2816	2756	rundll32.exe	30
PID 2756 wrote to memory of 2816	2756	rundll32.exe	30
PID 2756 wrote to memory of 2816	2756	rundll32.exe	30
PID 2756 wrote to memory of 2816	2756	rundll32.exe	30
PID 2756 wrote to memory of 2816	2756	rundll32.exe	30
PID 2756 wrote to memory of 2816	2756	rundll32.exe	30
PID 2816 wrote to memory of 2760	2816	rundll32.exe	31
PID 2816 wrote to memory of 2760	2816	rundll32.exe	31
PID 2816 wrote to memory of 2760	2816	rundll32.exe	31
PID 2816 wrote to memory of 2760	2816	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5c91b3ddfcd398da32f6ecb3a7820082481ef53c4088bd81b1ef047b5b8f7d9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5c91b3ddfcd398da32f6ecb3a7820082481ef53c4088bd81b1ef047b5b8f7d9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 236
    3⤵
    - Program crash
    PID:2760

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/2816-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

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memory/2816-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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