dridex | 76d803c9710e726a1aa5fb48514c86525ed49fd46e1e8ddd905e7c0495406075

Analysis

max time kernel
60s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 06:08

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General

Target

JaffaCakes118_76d803c9710e726a1aa5fb48514c86525ed49fd46e1e8ddd905e7c0495406075.dll
Size

204KB
MD5

9af2b95f5bd3708f143c7b452a9601b0
SHA1

497526f4a80a0d22c39c4bdc8b1d3387ecd73c76
SHA256

76d803c9710e726a1aa5fb48514c86525ed49fd46e1e8ddd905e7c0495406075
SHA512

45f5b9dafb21b34b6918e6c96c0b41c887314199d4f57821c55e33f1565c1b93b0207091fb4d48d9ba1bb4880a1a243f01784018be10c0160572c350fbac3d4d
SSDEEP

3072:86FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:8ZuX6pEaeEDheWa+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/1060-1-0x00000000752E0000-0x0000000075315000-memory.dmp	dridex_ldr
behavioral1/memory/1060-2-0x00000000752E0000-0x0000000075315000-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 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76d803c9710e726a1aa5fb48514c86525ed49fd46e1e8ddd905e7c0495406075.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76d803c9710e726a1aa5fb48514c86525ed49fd46e1e8ddd905e7c0495406075.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1060

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/1060-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1060-1-0x00000000752E0000-0x0000000075315000-memory.dmp

Filesize
212KB

Download
memory/1060-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1060-2-0x00000000752E0000-0x0000000075315000-memory.dmp

Filesize
212KB

Download