dridex | b5794a54139aa7ddacaa4a1081bf1a046288cf02adf92ff05cd7538cdd6e8aae

Analysis

max time kernel
60s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:20

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General

Target

JaffaCakes118_b5794a54139aa7ddacaa4a1081bf1a046288cf02adf92ff05cd7538cdd6e8aae.dll
Size

162KB
MD5

1b55612fb3a64b54b1ce21819154fc66
SHA1

6295cae7d0372c9002c070537986d73d4db636c6
SHA256

b5794a54139aa7ddacaa4a1081bf1a046288cf02adf92ff05cd7538cdd6e8aae
SHA512

9b4a1e598801eeeaa9cee07b124cd19d236daeb4a1819994a078ce67681039875f513dd1c910ac5da61df22046f438cd4f3442d60be2edc9daec8f23876b9857
SSDEEP

3072:PmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:OLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

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/3060-1-0x0000000074B90000-0x0000000074BBE000-memory.dmp	dridex_ldr
behavioral1/memory/3060-2-0x0000000074B90000-0x0000000074BBE000-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 2512 wrote to memory of 3060	2512	rundll32.exe	31
PID 2512 wrote to memory of 3060	2512	rundll32.exe	31
PID 2512 wrote to memory of 3060	2512	rundll32.exe	31
PID 2512 wrote to memory of 3060	2512	rundll32.exe	31
PID 2512 wrote to memory of 3060	2512	rundll32.exe	31
PID 2512 wrote to memory of 3060	2512	rundll32.exe	31
PID 2512 wrote to memory of 3060	2512	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5794a54139aa7ddacaa4a1081bf1a046288cf02adf92ff05cd7538cdd6e8aae.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5794a54139aa7ddacaa4a1081bf1a046288cf02adf92ff05cd7538cdd6e8aae.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3060

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/3060-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3060-1-0x0000000074B90000-0x0000000074BBE000-memory.dmp

Filesize
184KB

Download
memory/3060-2-0x0000000074B90000-0x0000000074BBE000-memory.dmp

Filesize
184KB

Download
memory/3060-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download