dridex | 79a78a496f702fcde1531282b544b4e725db0004c1ad2956e8b82507b913bae8

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 19:22

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General

Target

JaffaCakes118_79a78a496f702fcde1531282b544b4e725db0004c1ad2956e8b82507b913bae8.dll
Size

184KB
MD5

83132c8d8c8107b620f8e5f817d98bb3
SHA1

f85c33847e488f270ab73ad90b345d0f8bb956a6
SHA256

79a78a496f702fcde1531282b544b4e725db0004c1ad2956e8b82507b913bae8
SHA512

589f38046673d7b6d4eda7d1ca1ae80c76856f24389553bd3cc6ae88c62bd9cdabca900d0320b96eca9fda6326da68f54327cd28d4519294675941a4a32a611e
SSDEEP

3072:oJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J6a//2uFrSc:lfYOX+wTScR/Xzku9LVwduG

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
behavioral2/memory/1636-1-0x0000000074D50000-0x0000000074D7F000-memory.dmp	dridex_ldr
behavioral2/memory/1636-2-0x0000000074D50000-0x0000000074D7F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4696	1636	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 1636	4060	rundll32.exe	83
PID 4060 wrote to memory of 1636	4060	rundll32.exe	83
PID 4060 wrote to memory of 1636	4060	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79a78a496f702fcde1531282b544b4e725db0004c1ad2956e8b82507b913bae8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79a78a496f702fcde1531282b544b4e725db0004c1ad2956e8b82507b913bae8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 616
    3⤵
    - Program crash
    PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1636 -ip 1636
1⤵
PID:2100

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

Replay Monitor

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Downloads

memory/1636-0-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/1636-1-0x0000000074D50000-0x0000000074D7F000-memory.dmp

Filesize
188KB

Download
memory/1636-3-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/1636-2-0x0000000074D50000-0x0000000074D7F000-memory.dmp

Filesize
188KB

Download