dridex | f8f2688ca0f83d86ffc10c659efdd05c1c210f061afb63b2f3886c61999c4201

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 21:10

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General

Target

JaffaCakes118_f8f2688ca0f83d86ffc10c659efdd05c1c210f061afb63b2f3886c61999c4201.dll
Size

184KB
MD5

a95e1de17b4d80bfd4f3ef74721cd20c
SHA1

15524f3b4404eb04b3035e2e15e3cff21fa391fc
SHA256

f8f2688ca0f83d86ffc10c659efdd05c1c210f061afb63b2f3886c61999c4201
SHA512

97a435ecb2cf5f51c1ef010265f107daebde15b35441faff4f0f24c7c40a1f3ec3b56d8285fca90c6fff01de5736fd2550f98ba5423938436f701f1c1437881c
SSDEEP

3072:niLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaojlzoxss7:niLVCIT4WK2z1W+CUHZj4Skq/eao5oC

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
behavioral1/memory/2176-1-0x0000000074BE0000-0x0000000074C0F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2764	2176	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 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2176 wrote to memory of 2764	2176	rundll32.exe	32
PID 2176 wrote to memory of 2764	2176	rundll32.exe	32
PID 2176 wrote to memory of 2764	2176	rundll32.exe	32
PID 2176 wrote to memory of 2764	2176	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8f2688ca0f83d86ffc10c659efdd05c1c210f061afb63b2f3886c61999c4201.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8f2688ca0f83d86ffc10c659efdd05c1c210f061afb63b2f3886c61999c4201.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 220
    3⤵
    - Program crash
    PID:2764

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/2176-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x0000000074BE0000-0x0000000074C0F000-memory.dmp

Filesize
188KB

Download
memory/2176-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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