dridex | 411b3046c8fed7a89b025cb5f6b00aaee5425e03c179df75dc2b690605606818

Analysis

max time kernel
93s
max time network
157s
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, 17:15

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General

Target

JaffaCakes118_411b3046c8fed7a89b025cb5f6b00aaee5425e03c179df75dc2b690605606818.dll
Size

204KB
MD5

a4333b50d5f1d14f5047da9c0c66b5a2
SHA1

b42cb5412770ad8525727eb156ec9fe416153630
SHA256

411b3046c8fed7a89b025cb5f6b00aaee5425e03c179df75dc2b690605606818
SHA512

35d90de9ff0f7feb9feedca960c852a00b2a9ec9f7933cb49b1d2a22c46b7ff190653b46f01b601dfee0061de798634b877a2830edfd15425afdbdde19b9fbf9
SSDEEP

3072:i6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:iZuX6pEaeEDheWa+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/3596-1-0x0000000074F00000-0x0000000074F35000-memory.dmp	dridex_ldr
behavioral2/memory/3596-2-0x0000000074F00000-0x0000000074F35000-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 4632 wrote to memory of 3596	4632	rundll32.exe	82
PID 4632 wrote to memory of 3596	4632	rundll32.exe	82
PID 4632 wrote to memory of 3596	4632	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_411b3046c8fed7a89b025cb5f6b00aaee5425e03c179df75dc2b690605606818.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_411b3046c8fed7a89b025cb5f6b00aaee5425e03c179df75dc2b690605606818.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3596

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/3596-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3596-1-0x0000000074F00000-0x0000000074F35000-memory.dmp

Filesize
212KB

Download
memory/3596-2-0x0000000074F00000-0x0000000074F35000-memory.dmp

Filesize
212KB

Download
memory/3596-3-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

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