dridex | 77771a5508405f61bf62b1ba916043819f983faf0efdcdf807f5db3c435afb25

Analysis

max time kernel
61s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 04:32

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General

Target

JaffaCakes118_77771a5508405f61bf62b1ba916043819f983faf0efdcdf807f5db3c435afb25.dll
Size

204KB
MD5

d56d7d5333026f9d1e60b7a57a00f89e
SHA1

8e494457ce40e001775b83c1b642c0e2b56e7c70
SHA256

77771a5508405f61bf62b1ba916043819f983faf0efdcdf807f5db3c435afb25
SHA512

f6570df4f17c5a2cbd8da05a9bf7288bc9750bfa1754d95aa5a489bc42e67d2eab7b766b18e0e2f99c9d1d63ad2c9a0e5329861fd86af884c31444ee690b2399
SSDEEP

3072:z6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:zZuX6pEaeEDheWa+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/2120-0-0x0000000074680000-0x00000000746B5000-memory.dmp	dridex_ldr
behavioral1/memory/2120-3-0x0000000074680000-0x00000000746B5000-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 2908 wrote to memory of 2120	2908	rundll32.exe	30
PID 2908 wrote to memory of 2120	2908	rundll32.exe	30
PID 2908 wrote to memory of 2120	2908	rundll32.exe	30
PID 2908 wrote to memory of 2120	2908	rundll32.exe	30
PID 2908 wrote to memory of 2120	2908	rundll32.exe	30
PID 2908 wrote to memory of 2120	2908	rundll32.exe	30
PID 2908 wrote to memory of 2120	2908	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77771a5508405f61bf62b1ba916043819f983faf0efdcdf807f5db3c435afb25.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77771a5508405f61bf62b1ba916043819f983faf0efdcdf807f5db3c435afb25.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2120

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/2120-0-0x0000000074680000-0x00000000746B5000-memory.dmp

Filesize
212KB

Download
memory/2120-2-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2120-3-0x0000000074680000-0x00000000746B5000-memory.dmp

Filesize
212KB

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