dridex | e93e65b5a3f7221ab6e5c4f9ddee3c090c3008f7fdbcf6f71dbb1d02b3724416

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:56

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General

Target

JaffaCakes118_e93e65b5a3f7221ab6e5c4f9ddee3c090c3008f7fdbcf6f71dbb1d02b3724416.dll
Size

184KB
MD5

d618098404feb633b1436a38a207efdc
SHA1

f4ee3a7edcc8932149d6551bfe901480d0cdaf52
SHA256

e93e65b5a3f7221ab6e5c4f9ddee3c090c3008f7fdbcf6f71dbb1d02b3724416
SHA512

5afe88c3f9f159fc4f3f2674d932b9380a72842bc062c23149a4596bc8a42cb2c2a2c37d8124033942c29e77fd07f7e8a469c19ce47304a6f14d4b1bb4ddf68a
SSDEEP

3072:iJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jha//2uFrSc:DfYOX+wTScR/Xzku9LVwquG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2756-1-0x0000000074540000-0x000000007456F000-memory.dmp	dridex_ldr
behavioral1/memory/2756-2-0x0000000074540000-0x000000007456F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	2756	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 2668 wrote to memory of 2756	2668	rundll32.exe	31
PID 2668 wrote to memory of 2756	2668	rundll32.exe	31
PID 2668 wrote to memory of 2756	2668	rundll32.exe	31
PID 2668 wrote to memory of 2756	2668	rundll32.exe	31
PID 2668 wrote to memory of 2756	2668	rundll32.exe	31
PID 2668 wrote to memory of 2756	2668	rundll32.exe	31
PID 2668 wrote to memory of 2756	2668	rundll32.exe	31
PID 2756 wrote to memory of 2752	2756	rundll32.exe	32
PID 2756 wrote to memory of 2752	2756	rundll32.exe	32
PID 2756 wrote to memory of 2752	2756	rundll32.exe	32
PID 2756 wrote to memory of 2752	2756	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e93e65b5a3f7221ab6e5c4f9ddee3c090c3008f7fdbcf6f71dbb1d02b3724416.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e93e65b5a3f7221ab6e5c4f9ddee3c090c3008f7fdbcf6f71dbb1d02b3724416.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 220
    3⤵
    - Program crash
    PID:2752

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/2756-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2756-1-0x0000000074540000-0x000000007456F000-memory.dmp

Filesize
188KB

Download
memory/2756-2-0x0000000074540000-0x000000007456F000-memory.dmp

Filesize
188KB

Download
memory/2756-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download