dridex | 5f8ba6244a90226bd61a22964712d76e8a08d033b54c63630eec62e5f76ba8d1

Analysis

max time kernel
62s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 04:50

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General

Target

JaffaCakes118_5f8ba6244a90226bd61a22964712d76e8a08d033b54c63630eec62e5f76ba8d1.dll
Size

204KB
MD5

c94405e75401d36e757bd8eb5831a4b2
SHA1

9abe487717710a71dd21897345842808e34a4038
SHA256

5f8ba6244a90226bd61a22964712d76e8a08d033b54c63630eec62e5f76ba8d1
SHA512

29e7dcd7bee2b02a68f87b1b1bab1b2c32c077c0c6f84306fc1ef386b87ec46714aa2da9e7b350261d18edd3e056a0c3be2ab917dd7d777088b68297a01b6bcb
SSDEEP

3072:O6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:OZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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/1040-0-0x0000000074FD0000-0x0000000075005000-memory.dmp	dridex_ldr
behavioral1/memory/1040-3-0x0000000074FD0000-0x0000000075005000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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 7 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30
PID 2552 wrote to memory of 1040	2552	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f8ba6244a90226bd61a22964712d76e8a08d033b54c63630eec62e5f76ba8d1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f8ba6244a90226bd61a22964712d76e8a08d033b54c63630eec62e5f76ba8d1.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1040-0-0x0000000074FD0000-0x0000000075005000-memory.dmp

Filesize
212KB

Download
memory/1040-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1040-3-0x0000000074FD0000-0x0000000075005000-memory.dmp

Filesize
212KB

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