dridex | 99e949c781243012873a9275d9dda05f3803aa2249b5dc46af663b459cd4a5b9

Analysis

max time kernel
26s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:00

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General

Target

JaffaCakes118_99e949c781243012873a9275d9dda05f3803aa2249b5dc46af663b459cd4a5b9.dll
Size

184KB
MD5

066417e44de2abe0e522bd7152b552cf
SHA1

3b554aaa4fbe303b681bbee1b88d66e7c6bfb54c
SHA256

99e949c781243012873a9275d9dda05f3803aa2249b5dc46af663b459cd4a5b9
SHA512

209927cfa87030d231d7306b34119772e76b03689b4f4f8bf583afef1329c97003e14a82485beca31ec9f385de305255cd54a32c9481c835f070752dd851e02c
SSDEEP

3072:8iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoalzoxss7:8iLVCIT4WK2z1W+CUHZj4Skq/eaowoC

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/2336-0-0x0000000074F70000-0x0000000074F9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1632	2336	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 2328 wrote to memory of 2336	2328	rundll32.exe	30
PID 2328 wrote to memory of 2336	2328	rundll32.exe	30
PID 2328 wrote to memory of 2336	2328	rundll32.exe	30
PID 2328 wrote to memory of 2336	2328	rundll32.exe	30
PID 2328 wrote to memory of 2336	2328	rundll32.exe	30
PID 2328 wrote to memory of 2336	2328	rundll32.exe	30
PID 2328 wrote to memory of 2336	2328	rundll32.exe	30
PID 2336 wrote to memory of 1632	2336	rundll32.exe	31
PID 2336 wrote to memory of 1632	2336	rundll32.exe	31
PID 2336 wrote to memory of 1632	2336	rundll32.exe	31
PID 2336 wrote to memory of 1632	2336	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99e949c781243012873a9275d9dda05f3803aa2249b5dc46af663b459cd4a5b9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99e949c781243012873a9275d9dda05f3803aa2249b5dc46af663b459cd4a5b9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 224
    3⤵
    - Program crash
    PID:1632

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/2336-0-0x0000000074F70000-0x0000000074F9F000-memory.dmp

Filesize
188KB

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memory/2336-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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