dridex | 40a5d441a338cfe7cbef5069e3e1881d3485dc555ce36e137427f33177fec0ea

Analysis

max time kernel
48s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 20:00

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General

Target

JaffaCakes118_40a5d441a338cfe7cbef5069e3e1881d3485dc555ce36e137427f33177fec0ea.dll
Size

204KB
MD5

5451c29962c842309fa33abe7374e72d
SHA1

68260183ee694258dcd5b953b346d9115227e5fc
SHA256

40a5d441a338cfe7cbef5069e3e1881d3485dc555ce36e137427f33177fec0ea
SHA512

012e03c25b1027aafa3432b3a34b9443bf9e8e224b9e8d3267500b07a4d9a062cb7284a2f49d39e6801721cbb3580ce7ec780127ecce619385234a64f9221d08
SSDEEP

3072:f6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:fZuX6pEaeEDheWa+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
behavioral2/memory/644-1-0x0000000074C80000-0x0000000074CB5000-memory.dmp	dridex_ldr
behavioral2/memory/644-4-0x0000000074C80000-0x0000000074CB5000-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 3 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 644	4248	rundll32.exe	83
PID 4248 wrote to memory of 644	4248	rundll32.exe	83
PID 4248 wrote to memory of 644	4248	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40a5d441a338cfe7cbef5069e3e1881d3485dc555ce36e137427f33177fec0ea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40a5d441a338cfe7cbef5069e3e1881d3485dc555ce36e137427f33177fec0ea.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:644

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/644-0-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/644-1-0x0000000074C80000-0x0000000074CB5000-memory.dmp

Filesize
212KB

Download
memory/644-3-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/644-4-0x0000000074C80000-0x0000000074CB5000-memory.dmp

Filesize
212KB

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