dridex | 587b78cf743aec7d3d6ff812017845ae104fe1cec497649b9c4ca0102c5ab5cf

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:32

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General

Target

JaffaCakes118_587b78cf743aec7d3d6ff812017845ae104fe1cec497649b9c4ca0102c5ab5cf.dll
Size

184KB
MD5

a04012bf9ebca60e309289ba90c59b40
SHA1

733bd265b0f02d1cd341047ab82b2e620c512d9e
SHA256

587b78cf743aec7d3d6ff812017845ae104fe1cec497649b9c4ca0102c5ab5cf
SHA512

bbd5b4ec357d26fdfa439695c6af60aed15cecb0d7698ed1f42951a90f48316395f63ca8e4c3d6da37d96aaedada506410074f126cded38dcd361f1dc0f79a3b
SSDEEP

3072:D92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMT5rLA:D9NSMOEpQ1Q3ODAr+V5

Score

10^/10

dridex 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

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/1628-1-0x00000000751F0000-0x000000007521F000-memory.dmp	dridex_ldr
behavioral1/memory/1628-2-0x00000000751F0000-0x000000007521F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2096	1628	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 1764 wrote to memory of 1628	1764	rundll32.exe	30
PID 1764 wrote to memory of 1628	1764	rundll32.exe	30
PID 1764 wrote to memory of 1628	1764	rundll32.exe	30
PID 1764 wrote to memory of 1628	1764	rundll32.exe	30
PID 1764 wrote to memory of 1628	1764	rundll32.exe	30
PID 1764 wrote to memory of 1628	1764	rundll32.exe	30
PID 1764 wrote to memory of 1628	1764	rundll32.exe	30
PID 1628 wrote to memory of 2096	1628	rundll32.exe	32
PID 1628 wrote to memory of 2096	1628	rundll32.exe	32
PID 1628 wrote to memory of 2096	1628	rundll32.exe	32
PID 1628 wrote to memory of 2096	1628	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_587b78cf743aec7d3d6ff812017845ae104fe1cec497649b9c4ca0102c5ab5cf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_587b78cf743aec7d3d6ff812017845ae104fe1cec497649b9c4ca0102c5ab5cf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 220
    3⤵
    - Program crash
    PID:2096

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/1628-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1628-1-0x00000000751F0000-0x000000007521F000-memory.dmp

Filesize
188KB

Download
memory/1628-2-0x00000000751F0000-0x000000007521F000-memory.dmp

Filesize
188KB

Download
memory/1628-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download