dridex | 4b9cc2bbe948368fe7437aa58ab112fd18e843bba8fcb5eb8ba793008c6409c1

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
24-12-2024 12:40

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General

Target

JaffaCakes118_4b9cc2bbe948368fe7437aa58ab112fd18e843bba8fcb5eb8ba793008c6409c1.dll
Size

161KB
MD5

0b858d21cfbcac32f5f51e64e0627f66
SHA1

385fdaabaab51709d5102d51da9b0ef6791fe1eb
SHA256

4b9cc2bbe948368fe7437aa58ab112fd18e843bba8fcb5eb8ba793008c6409c1
SHA512

f0f8183e8629a1c1af865285c190084a65bf3de3b5ac74ede1423645ddd1de601aabe5b7c85b92dd9919d08531cc0d7173cb9fc964c69c2a05df506313e86efa
SSDEEP

3072:QPSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd27GkFY:snS62Fl+pkeJl3CvRStrFl+EYa

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/2700-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2700-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	2700	WerFault.exe	31

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 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2700 wrote to memory of 2788	2700	rundll32.exe	32
PID 2700 wrote to memory of 2788	2700	rundll32.exe	32
PID 2700 wrote to memory of 2788	2700	rundll32.exe	32
PID 2700 wrote to memory of 2788	2700	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b9cc2bbe948368fe7437aa58ab112fd18e843bba8fcb5eb8ba793008c6409c1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b9cc2bbe948368fe7437aa58ab112fd18e843bba8fcb5eb8ba793008c6409c1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 256
    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/2700-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2700-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2700-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2700-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download