dridex | 27b54a0c99fb4ebd72f9705ef9429f6d1312190f2456941c8532e36bf0b189bb

Analysis

max time kernel
95s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 20:14

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General

Target

JaffaCakes118_27b54a0c99fb4ebd72f9705ef9429f6d1312190f2456941c8532e36bf0b189bb.dll
Size

184KB
MD5

ead31199771acf12055416d4d2c2913d
SHA1

f4373fea78d461cc56f67d3ce3ad33972da569dd
SHA256

27b54a0c99fb4ebd72f9705ef9429f6d1312190f2456941c8532e36bf0b189bb
SHA512

91e029fa463a0db4dfcf519e42804906976d7cd81b2c8809d63356914de231854dbd4daa8a177896aa61b8b2b47aea9d2263ab2ec792a172b352f0d27358adba
SSDEEP

3072:CiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoBlzoxss7:CiLVCIT4WK2z1W+CUHZj4Skq/eaofoC

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
behavioral2/memory/1536-0-0x00000000755F0000-0x000000007561F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4448	1536	WerFault.exe	82

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 2208 wrote to memory of 1536	2208	rundll32.exe	82
PID 2208 wrote to memory of 1536	2208	rundll32.exe	82
PID 2208 wrote to memory of 1536	2208	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27b54a0c99fb4ebd72f9705ef9429f6d1312190f2456941c8532e36bf0b189bb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27b54a0c99fb4ebd72f9705ef9429f6d1312190f2456941c8532e36bf0b189bb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 620
    3⤵
    - Program crash
    PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1536 -ip 1536
1⤵
PID:1936

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/1536-0-0x00000000755F0000-0x000000007561F000-memory.dmp

Filesize
188KB

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memory/1536-2-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

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