dridex | b23e411125427e6c65c09747aa11485f46da71e8228c8a2e77b2532497278f87

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/12/2024, 13:04

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General

Target

JaffaCakes118_b23e411125427e6c65c09747aa11485f46da71e8228c8a2e77b2532497278f87.dll
Size

184KB
MD5

81b524d4df7805f03a6ce70c162dc626
SHA1

346ba0f815e863ed15209e316b71626136572ab6
SHA256

b23e411125427e6c65c09747aa11485f46da71e8228c8a2e77b2532497278f87
SHA512

4c0cd0c01b4227f5931100be9dfaf8a15838f433b03932e678b7d02889a9bc242955e9f0db080ea9d041403a578e8ce8dcb36190149aafec47fa3b40a5221f1a
SSDEEP

3072:UiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoslzoxss7:UiLVCIT4WK2z1W+CUHZj4Skq/eaoSoC

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/2992-1-0x0000000074C70000-0x0000000074C9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2832	2992	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 2316 wrote to memory of 2992	2316	rundll32.exe	30
PID 2316 wrote to memory of 2992	2316	rundll32.exe	30
PID 2316 wrote to memory of 2992	2316	rundll32.exe	30
PID 2316 wrote to memory of 2992	2316	rundll32.exe	30
PID 2316 wrote to memory of 2992	2316	rundll32.exe	30
PID 2316 wrote to memory of 2992	2316	rundll32.exe	30
PID 2316 wrote to memory of 2992	2316	rundll32.exe	30
PID 2992 wrote to memory of 2832	2992	rundll32.exe	32
PID 2992 wrote to memory of 2832	2992	rundll32.exe	32
PID 2992 wrote to memory of 2832	2992	rundll32.exe	32
PID 2992 wrote to memory of 2832	2992	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b23e411125427e6c65c09747aa11485f46da71e8228c8a2e77b2532497278f87.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b23e411125427e6c65c09747aa11485f46da71e8228c8a2e77b2532497278f87.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 220
    3⤵
    - Program crash
    PID:2832

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/2992-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2992-1-0x0000000074C70000-0x0000000074C9F000-memory.dmp

Filesize
188KB

Download
memory/2992-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download