dridex | 3e6b1ca635c72a05c926b338ccbe4a6e7ed866b6b8ae11c8843c246849227403

Analysis

max time kernel
26s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:52

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General

Target

JaffaCakes118_3e6b1ca635c72a05c926b338ccbe4a6e7ed866b6b8ae11c8843c246849227403.dll
Size

184KB
MD5

2604173caf2d9b041b7de8aa3c07e4dc
SHA1

bb59f73b4f7b4de2de41ef9dd6c2c2580706ef14
SHA256

3e6b1ca635c72a05c926b338ccbe4a6e7ed866b6b8ae11c8843c246849227403
SHA512

314052bcd32ffd28cc3c8e3a626d5373fe92bd69722d88d1936575eb7775d551c6d32d858e668082d11bdd1a91df0b39e662dbb736e28813048ac8dbee06771d
SSDEEP

3072:bJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JPa//2uFrSc:AfYOX+wTScR/Xzku9LVwEuG

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/1176-1-0x00000000752D0000-0x00000000752FF000-memory.dmp	dridex_ldr
behavioral1/memory/1176-2-0x00000000752D0000-0x00000000752FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2880	1176	WerFault.exe	29

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 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 1176 wrote to memory of 2880	1176	rundll32.exe	30
PID 1176 wrote to memory of 2880	1176	rundll32.exe	30
PID 1176 wrote to memory of 2880	1176	rundll32.exe	30
PID 1176 wrote to memory of 2880	1176	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e6b1ca635c72a05c926b338ccbe4a6e7ed866b6b8ae11c8843c246849227403.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e6b1ca635c72a05c926b338ccbe4a6e7ed866b6b8ae11c8843c246849227403.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 224
    3⤵
    - Program crash
    PID:2880

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/1176-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1176-1-0x00000000752D0000-0x00000000752FF000-memory.dmp

Filesize
188KB

Download
memory/1176-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1176-2-0x00000000752D0000-0x00000000752FF000-memory.dmp

Filesize
188KB

Download