dridex | c4bda7ab64867cd9a8f7121a7d6fba7cb05186548e190b713a5a67305252041b

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 00:13

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General

Target

JaffaCakes118_c4bda7ab64867cd9a8f7121a7d6fba7cb05186548e190b713a5a67305252041b.dll
Size

184KB
MD5

54f21a485b0cc8f723b355e087685f0d
SHA1

d4453860062d4a63196545b120ef0f4fdd424148
SHA256

c4bda7ab64867cd9a8f7121a7d6fba7cb05186548e190b713a5a67305252041b
SHA512

889a9c85bfa7fcf329eda2eeec0ff4bf8c2547c2194e776907d3a1fdad4b9c05f72e1b5ecf706e55418be69b4f840e8c8b7fedec99909b969d156be3458bf49c
SSDEEP

3072:0JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jua//2uFrSc:5fYOX+wTScR/Xzku9LVw1uG

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/3604-1-0x0000000074990000-0x00000000749BF000-memory.dmp	dridex_ldr
behavioral2/memory/3604-2-0x0000000074990000-0x00000000749BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4092	3604	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 3080 wrote to memory of 3604	3080	rundll32.exe	83
PID 3080 wrote to memory of 3604	3080	rundll32.exe	83
PID 3080 wrote to memory of 3604	3080	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4bda7ab64867cd9a8f7121a7d6fba7cb05186548e190b713a5a67305252041b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4bda7ab64867cd9a8f7121a7d6fba7cb05186548e190b713a5a67305252041b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 616
    3⤵
    - Program crash
    PID:4092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3604 -ip 3604
1⤵
PID:4372

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/3604-0-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download
memory/3604-1-0x0000000074990000-0x00000000749BF000-memory.dmp

Filesize
188KB

Download
memory/3604-2-0x0000000074990000-0x00000000749BF000-memory.dmp

Filesize
188KB

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