dridex | 358c83ff525e400cc9a5aee76cd1d4d8e66a80954df162b45bda035c5a22b37b

Analysis

max time kernel
80s
max time network
20s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:22

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General

Target

JaffaCakes118_358c83ff525e400cc9a5aee76cd1d4d8e66a80954df162b45bda035c5a22b37b.dll
Size

204KB
MD5

cca2d9b33794c2a019c3ec5d5cc59b4f
SHA1

71ad3530f6b4609eb3435e7ccae43e771efed609
SHA256

358c83ff525e400cc9a5aee76cd1d4d8e66a80954df162b45bda035c5a22b37b
SHA512

8f7becbd30fd94762dbaf26c6f0edeb8f3a0f51a6f4a827e61568246ab793e0fdbdcdf0bcdc661de433db0c52321d64393eb44f0ab6fe088dd35a3fefad01ec2
SSDEEP

3072:c6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:cZuX6pEaeEDheWa+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/2652-1-0x0000000075020000-0x0000000075055000-memory.dmp	dridex_ldr
behavioral1/memory/2652-3-0x0000000075020000-0x0000000075055000-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 2312 wrote to memory of 2652	2312	rundll32.exe	30
PID 2312 wrote to memory of 2652	2312	rundll32.exe	30
PID 2312 wrote to memory of 2652	2312	rundll32.exe	30
PID 2312 wrote to memory of 2652	2312	rundll32.exe	30
PID 2312 wrote to memory of 2652	2312	rundll32.exe	30
PID 2312 wrote to memory of 2652	2312	rundll32.exe	30
PID 2312 wrote to memory of 2652	2312	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_358c83ff525e400cc9a5aee76cd1d4d8e66a80954df162b45bda035c5a22b37b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_358c83ff525e400cc9a5aee76cd1d4d8e66a80954df162b45bda035c5a22b37b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2652

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/2652-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2652-1-0x0000000075020000-0x0000000075055000-memory.dmp

Filesize
212KB

Download
memory/2652-3-0x0000000075020000-0x0000000075055000-memory.dmp

Filesize
212KB

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