dridex | bf3fb9fe0a8e7b41cd15663e6bb10c09dafc600057ce1720599ad080ba279b31

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 18:47

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General

Target

JaffaCakes118_bf3fb9fe0a8e7b41cd15663e6bb10c09dafc600057ce1720599ad080ba279b31.dll
Size

184KB
MD5

42fac199110137da0f80ba393561156b
SHA1

3e6523193e088930dd18f954dc8890ad4b9b389e
SHA256

bf3fb9fe0a8e7b41cd15663e6bb10c09dafc600057ce1720599ad080ba279b31
SHA512

3750209687071ac85c0a44e595990038b9fbf1546af2a172b734b32b392e266fd1a4c0046febf06c52cdf8fc45e38137f3effc23110c4ef14f821d4718a66134
SSDEEP

3072:192qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMT5rLA:19NSMOEpQ1Q3ODAr+V5

Score

10^/10

dridex 0 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

Extracted

Family

dridex

Botnet

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 3 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2056-1-0x0000000074510000-0x000000007453F000-memory.dmp	dridex_ldr
behavioral1/memory/2056-0-0x0000000074510000-0x000000007453F000-memory.dmp	dridex_ldr
behavioral1/memory/2056-3-0x0000000074510000-0x000000007453F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1860	2056	WerFault.exe	30

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 1620 wrote to memory of 2056	1620	rundll32.exe	30
PID 1620 wrote to memory of 2056	1620	rundll32.exe	30
PID 1620 wrote to memory of 2056	1620	rundll32.exe	30
PID 1620 wrote to memory of 2056	1620	rundll32.exe	30
PID 1620 wrote to memory of 2056	1620	rundll32.exe	30
PID 1620 wrote to memory of 2056	1620	rundll32.exe	30
PID 1620 wrote to memory of 2056	1620	rundll32.exe	30
PID 2056 wrote to memory of 1860	2056	rundll32.exe	32
PID 2056 wrote to memory of 1860	2056	rundll32.exe	32
PID 2056 wrote to memory of 1860	2056	rundll32.exe	32
PID 2056 wrote to memory of 1860	2056	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf3fb9fe0a8e7b41cd15663e6bb10c09dafc600057ce1720599ad080ba279b31.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf3fb9fe0a8e7b41cd15663e6bb10c09dafc600057ce1720599ad080ba279b31.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 220
    3⤵
    - Program crash
    PID:1860

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/2056-1-0x0000000074510000-0x000000007453F000-memory.dmp

Filesize
188KB

Download
memory/2056-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2056-0-0x0000000074510000-0x000000007453F000-memory.dmp

Filesize
188KB

Download
memory/2056-3-0x0000000074510000-0x000000007453F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads