dridex | 99e64ef0cf0abff61f8e0b7fcc46c07e141fd392e1ce2dd159a2102744db3943

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 06:31

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General

Target

JaffaCakes118_99e64ef0cf0abff61f8e0b7fcc46c07e141fd392e1ce2dd159a2102744db3943.dll
Size

184KB
MD5

f1600e7756956f061d00f974291bcaa0
SHA1

b7630853e60830826a63f4cfbfa88c0fbfcf3252
SHA256

99e64ef0cf0abff61f8e0b7fcc46c07e141fd392e1ce2dd159a2102744db3943
SHA512

f7b733b4136fd5182704e5ab781085c3733b26fdf0b3f6a835006f7f5577a84fe0a49d6bf2d205fcd24ff30f5920e02388bbf7e290f59c055f83138bad086a43
SSDEEP

3072:juwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4Kvlmsb:x7TXYsd9SkONU1jKGlAlm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/2104-0-0x0000000074DF0000-0x0000000074E20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	2104	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 2404 wrote to memory of 2104	2404	rundll32.exe	30
PID 2404 wrote to memory of 2104	2404	rundll32.exe	30
PID 2404 wrote to memory of 2104	2404	rundll32.exe	30
PID 2404 wrote to memory of 2104	2404	rundll32.exe	30
PID 2404 wrote to memory of 2104	2404	rundll32.exe	30
PID 2404 wrote to memory of 2104	2404	rundll32.exe	30
PID 2404 wrote to memory of 2104	2404	rundll32.exe	30
PID 2104 wrote to memory of 2740	2104	rundll32.exe	31
PID 2104 wrote to memory of 2740	2104	rundll32.exe	31
PID 2104 wrote to memory of 2740	2104	rundll32.exe	31
PID 2104 wrote to memory of 2740	2104	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99e64ef0cf0abff61f8e0b7fcc46c07e141fd392e1ce2dd159a2102744db3943.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99e64ef0cf0abff61f8e0b7fcc46c07e141fd392e1ce2dd159a2102744db3943.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 220
    3⤵
    - Program crash
    PID:2740

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/2104-0-0x0000000074DF0000-0x0000000074E20000-memory.dmp

Filesize
192KB

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memory/2104-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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