dridex | 71d1f61ff6379758b510ec593243a84ccc717708f901ff0c8df2b4127242ee7b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:19

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General

Target

JaffaCakes118_71d1f61ff6379758b510ec593243a84ccc717708f901ff0c8df2b4127242ee7b.dll
Size

166KB
MD5

d1634da333fc207dd0b403c0a87f4f9c
SHA1

b875097566c250c2c4b887ca5ffb8f31099e2356
SHA256

71d1f61ff6379758b510ec593243a84ccc717708f901ff0c8df2b4127242ee7b
SHA512

22fa713da231bfde82d80f02f357fbf65dc36febd72441eed765b8252c9a42cbf14cfd4cb8795c721ce3b1d49c5f3b4aeb23da95b61d803abbf9d5e5d7efccdb
SSDEEP

3072:pBoQctVOM7/8wZQvUlM7EF+V2xReSbHNjztUJQ8eHqE:3uXLcclWEc2HeSjNjGdeKE

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

131.100.24.202:443

193.160.214.95:4125

67.43.4.76:8172

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/1484-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1484-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1652	1484	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 1628 wrote to memory of 1484	1628	rundll32.exe	31
PID 1628 wrote to memory of 1484	1628	rundll32.exe	31
PID 1628 wrote to memory of 1484	1628	rundll32.exe	31
PID 1628 wrote to memory of 1484	1628	rundll32.exe	31
PID 1628 wrote to memory of 1484	1628	rundll32.exe	31
PID 1628 wrote to memory of 1484	1628	rundll32.exe	31
PID 1628 wrote to memory of 1484	1628	rundll32.exe	31
PID 1484 wrote to memory of 1652	1484	rundll32.exe	32
PID 1484 wrote to memory of 1652	1484	rundll32.exe	32
PID 1484 wrote to memory of 1652	1484	rundll32.exe	32
PID 1484 wrote to memory of 1652	1484	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71d1f61ff6379758b510ec593243a84ccc717708f901ff0c8df2b4127242ee7b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71d1f61ff6379758b510ec593243a84ccc717708f901ff0c8df2b4127242ee7b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 256
    3⤵
    - Program crash
    PID:1652

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/1484-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1484-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1484-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1484-4-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download