dridex | c5f5a9d23099fa1d24f59ed1f9049efbef3be6f3ea2924eb3053eb032e0f69ab

Analysis

max time kernel
109s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 22:45

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General

Target

JaffaCakes118_c5f5a9d23099fa1d24f59ed1f9049efbef3be6f3ea2924eb3053eb032e0f69ab.dll
Size

162KB
MD5

34fedf7c1ec8af59252ca4f656d0311a
SHA1

9d52db1197d2bed8f3e0d3dfd751f839a8c04363
SHA256

c5f5a9d23099fa1d24f59ed1f9049efbef3be6f3ea2924eb3053eb032e0f69ab
SHA512

3e8a7cf8c98d0aaea8574b19af22ad4ca3aac87b5bd8ac2ebb20898aaeb7a1f7eaad2a4d6c62be104bad7b16848f7c2a5d8a3eaf4f0a8329f66c9e552cf997d5
SSDEEP

3072:dmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:cLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/2572-1-0x0000000074570000-0x000000007459E000-memory.dmp	dridex_ldr
behavioral1/memory/2572-4-0x0000000074570000-0x000000007459E000-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 2380 wrote to memory of 2572	2380	rundll32.exe	30
PID 2380 wrote to memory of 2572	2380	rundll32.exe	30
PID 2380 wrote to memory of 2572	2380	rundll32.exe	30
PID 2380 wrote to memory of 2572	2380	rundll32.exe	30
PID 2380 wrote to memory of 2572	2380	rundll32.exe	30
PID 2380 wrote to memory of 2572	2380	rundll32.exe	30
PID 2380 wrote to memory of 2572	2380	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c5f5a9d23099fa1d24f59ed1f9049efbef3be6f3ea2924eb3053eb032e0f69ab.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c5f5a9d23099fa1d24f59ed1f9049efbef3be6f3ea2924eb3053eb032e0f69ab.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2572

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/2572-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2572-1-0x0000000074570000-0x000000007459E000-memory.dmp

Filesize
184KB

Download
memory/2572-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2572-4-0x0000000074570000-0x000000007459E000-memory.dmp

Filesize
184KB

Download