dridex | fc2a62d5da29323732e2fb4ff9ab79a9be95c5d04db66dbd61588287f2106d55

Analysis

max time kernel
51s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:49

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General

Target

JaffaCakes118_fc2a62d5da29323732e2fb4ff9ab79a9be95c5d04db66dbd61588287f2106d55.dll
Size

204KB
MD5

2bd5ef82b79040c67baf7a06187fddfb
SHA1

9413845af023da97c4108b2e48086082d5c8fe63
SHA256

fc2a62d5da29323732e2fb4ff9ab79a9be95c5d04db66dbd61588287f2106d55
SHA512

3c4f4759fe379c4c6511beda7d4ccf8050fe639b94074e9baedfcc723103ced408eb5049e57f492b154abd9b44135fbbfd1a30fb14caa9fcc20d047769bdcf76
SSDEEP

3072:p6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:pZuX6pEaeEDheWa+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/2684-1-0x0000000074770000-0x00000000747A5000-memory.dmp	dridex_ldr
behavioral1/memory/2684-4-0x0000000074770000-0x00000000747A5000-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 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30
PID 2160 wrote to memory of 2684	2160	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc2a62d5da29323732e2fb4ff9ab79a9be95c5d04db66dbd61588287f2106d55.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc2a62d5da29323732e2fb4ff9ab79a9be95c5d04db66dbd61588287f2106d55.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2684

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/2684-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2684-1-0x0000000074770000-0x00000000747A5000-memory.dmp

Filesize
212KB

Download
memory/2684-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2684-4-0x0000000074770000-0x00000000747A5000-memory.dmp

Filesize
212KB

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