dridex | 33e8ab7a9a1a69f5680b92fa4e126f5dadad3259407296567cdd08728485926a

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
25-12-2024 14:18

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General

Target

JaffaCakes118_33e8ab7a9a1a69f5680b92fa4e126f5dadad3259407296567cdd08728485926a.dll
Size

184KB
MD5

f961779a1ada14df6ebc9711219ab3f1
SHA1

67766d7d76ab83a2b6a9e428dc0d42a79d1d8456
SHA256

33e8ab7a9a1a69f5680b92fa4e126f5dadad3259407296567cdd08728485926a
SHA512

1eccaefda6ec34b28d0e45a255a2a8bf2fea34f7770afe9286f0e70a8065aa9b76fa0471331bf2dc890b520a70e6d4ac70db60a04f34685e5e2c3b41e4120735
SSDEEP

3072:IiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoKlzoxss7:IiLVCIT4WK2z1W+CUHZj4Skq/eaoAoC

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/1084-1-0x0000000074B00000-0x0000000074B2F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2388	1084	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 2408 wrote to memory of 1084	2408	rundll32.exe	30
PID 2408 wrote to memory of 1084	2408	rundll32.exe	30
PID 2408 wrote to memory of 1084	2408	rundll32.exe	30
PID 2408 wrote to memory of 1084	2408	rundll32.exe	30
PID 2408 wrote to memory of 1084	2408	rundll32.exe	30
PID 2408 wrote to memory of 1084	2408	rundll32.exe	30
PID 2408 wrote to memory of 1084	2408	rundll32.exe	30
PID 1084 wrote to memory of 2388	1084	rundll32.exe	31
PID 1084 wrote to memory of 2388	1084	rundll32.exe	31
PID 1084 wrote to memory of 2388	1084	rundll32.exe	31
PID 1084 wrote to memory of 2388	1084	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_33e8ab7a9a1a69f5680b92fa4e126f5dadad3259407296567cdd08728485926a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_33e8ab7a9a1a69f5680b92fa4e126f5dadad3259407296567cdd08728485926a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 224
    3⤵
    - Program crash
    PID:2388

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/1084-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1084-1-0x0000000074B00000-0x0000000074B2F000-memory.dmp

Filesize
188KB

Download
memory/1084-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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