dridex | 9ff58311f5ec92831312bdd1f1acfc9aa972503928a9be3ec76652280d6d435f

Analysis

max time kernel
117s
max time network
118s
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_9ff58311f5ec92831312bdd1f1acfc9aa972503928a9be3ec76652280d6d435f.dll
Size

184KB
MD5

77df218560685dd55f3320e48a7f96d6
SHA1

0b77ed3b54a23605e8262fce37186fdfa876d5a8
SHA256

9ff58311f5ec92831312bdd1f1acfc9aa972503928a9be3ec76652280d6d435f
SHA512

5720f42cf8fe7ce7ac8945fcd201720bbc50ca5217ea099874c6f0a734b385bf1d739fb98a838041ee35a99cb6ea6606e14fc67253f9819cfdf91bf8d37dee59
SSDEEP

3072:oJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J5a//2uFrSc:lfYOX+wTScR/Xzku9LVwSuG

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/2608-1-0x00000000747F0000-0x000000007481F000-memory.dmp	dridex_ldr
behavioral1/memory/2608-2-0x00000000747F0000-0x000000007481F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2528	2608	WerFault.exe	28

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 2736 wrote to memory of 2608	2736	rundll32.exe	28
PID 2736 wrote to memory of 2608	2736	rundll32.exe	28
PID 2736 wrote to memory of 2608	2736	rundll32.exe	28
PID 2736 wrote to memory of 2608	2736	rundll32.exe	28
PID 2736 wrote to memory of 2608	2736	rundll32.exe	28
PID 2736 wrote to memory of 2608	2736	rundll32.exe	28
PID 2736 wrote to memory of 2608	2736	rundll32.exe	28
PID 2608 wrote to memory of 2528	2608	rundll32.exe	29
PID 2608 wrote to memory of 2528	2608	rundll32.exe	29
PID 2608 wrote to memory of 2528	2608	rundll32.exe	29
PID 2608 wrote to memory of 2528	2608	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ff58311f5ec92831312bdd1f1acfc9aa972503928a9be3ec76652280d6d435f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ff58311f5ec92831312bdd1f1acfc9aa972503928a9be3ec76652280d6d435f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 220
    3⤵
    - Program crash
    PID:2528

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/2608-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2608-1-0x00000000747F0000-0x000000007481F000-memory.dmp

Filesize
188KB

Download
memory/2608-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2608-2-0x00000000747F0000-0x000000007481F000-memory.dmp

Filesize
188KB

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