dridex | a41f295a4083f2c1eaa29bdc9bfc44acf93f32c0eace7d299ce402f1528938ea

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 21:56

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General

Target

JaffaCakes118_a41f295a4083f2c1eaa29bdc9bfc44acf93f32c0eace7d299ce402f1528938ea.dll
Size

184KB
MD5

1feb21b791dddcc6af17e2d7d91558f0
SHA1

64a97eefc285a2a938d00a6568edd6ebe2e279fc
SHA256

a41f295a4083f2c1eaa29bdc9bfc44acf93f32c0eace7d299ce402f1528938ea
SHA512

046031d598f6b7c28cded70c86b7d404dee5de25fafb21c109987699d53b87e64375e45ca08689c6a716284791d16595794c4fab1c36044be8b27047cea242fd
SSDEEP

3072:IJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jia//2uFrSc:FfYOX+wTScR/Xzku9LVwBuG

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/2700-0-0x00000000748B0000-0x00000000748DF000-memory.dmp	dridex_ldr
behavioral1/memory/2700-3-0x00000000748B0000-0x00000000748DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2820	2700	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 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2664 wrote to memory of 2700	2664	rundll32.exe	31
PID 2700 wrote to memory of 2820	2700	rundll32.exe	32
PID 2700 wrote to memory of 2820	2700	rundll32.exe	32
PID 2700 wrote to memory of 2820	2700	rundll32.exe	32
PID 2700 wrote to memory of 2820	2700	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a41f295a4083f2c1eaa29bdc9bfc44acf93f32c0eace7d299ce402f1528938ea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a41f295a4083f2c1eaa29bdc9bfc44acf93f32c0eace7d299ce402f1528938ea.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 220
    3⤵
    - Program crash
    PID:2820

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/2700-0-0x00000000748B0000-0x00000000748DF000-memory.dmp

Filesize
188KB

Download
memory/2700-2-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2700-3-0x00000000748B0000-0x00000000748DF000-memory.dmp

Filesize
188KB

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