dridex | 36600f9c5e29c217fe17a9a8ad9b61367780a7a024868752ea722d6cc0614b22

Analysis

max time kernel
75s
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 23:32

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General

Target

JaffaCakes118_36600f9c5e29c217fe17a9a8ad9b61367780a7a024868752ea722d6cc0614b22.dll
Size

204KB
MD5

8fc8068b843fe20decc5fb4875f1b9a7
SHA1

b57ae803b5750a0c3073e57b49dde26850f23afa
SHA256

36600f9c5e29c217fe17a9a8ad9b61367780a7a024868752ea722d6cc0614b22
SHA512

e3d156a2f1a091508dcfaf6d19f9bb716617eb1495033c47428175fb456c6ae51220465ab7fd8e397a75d18dd133dab571b72b903c26ab0907210c1545a63025
SSDEEP

3072:96FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:9ZuX6pEaeEDheWa+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/1992-1-0x00000000746C0000-0x00000000746F5000-memory.dmp	dridex_ldr
behavioral1/memory/1992-4-0x00000000746C0000-0x00000000746F5000-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 2532 wrote to memory of 1992	2532	rundll32.exe	30
PID 2532 wrote to memory of 1992	2532	rundll32.exe	30
PID 2532 wrote to memory of 1992	2532	rundll32.exe	30
PID 2532 wrote to memory of 1992	2532	rundll32.exe	30
PID 2532 wrote to memory of 1992	2532	rundll32.exe	30
PID 2532 wrote to memory of 1992	2532	rundll32.exe	30
PID 2532 wrote to memory of 1992	2532	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36600f9c5e29c217fe17a9a8ad9b61367780a7a024868752ea722d6cc0614b22.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36600f9c5e29c217fe17a9a8ad9b61367780a7a024868752ea722d6cc0614b22.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1992

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

Replay Monitor

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Downloads

memory/1992-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1992-1-0x00000000746C0000-0x00000000746F5000-memory.dmp

Filesize
212KB

Download
memory/1992-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1992-4-0x00000000746C0000-0x00000000746F5000-memory.dmp

Filesize
212KB

Download