dridex | 161b3552c9a1dcde98eec5e7b4737a363794006e7ee394bdce8b6070beec71bf

Analysis

max time kernel
56s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:23

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General

Target

JaffaCakes118_161b3552c9a1dcde98eec5e7b4737a363794006e7ee394bdce8b6070beec71bf.dll
Size

204KB
MD5

2604236893fbffcc82ef5f5cd7d7bb1f
SHA1

1a1bd8a4dafd90f891e020e036926b3db70a370e
SHA256

161b3552c9a1dcde98eec5e7b4737a363794006e7ee394bdce8b6070beec71bf
SHA512

73a0d60e0c31893b2523aa3c0a9893b76391427a1a2bb3b26c0ca580ca2ccb8ef1cfd6783d3a3dcd8b91113d249206bcd52f08217bae48682373b95a19d84b63
SSDEEP

3072:v6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:vZuX6pEaeEDheWa+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/2504-1-0x0000000074FF0000-0x0000000075025000-memory.dmp	dridex_ldr
behavioral1/memory/2504-4-0x0000000074FF0000-0x0000000075025000-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 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_161b3552c9a1dcde98eec5e7b4737a363794006e7ee394bdce8b6070beec71bf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_161b3552c9a1dcde98eec5e7b4737a363794006e7ee394bdce8b6070beec71bf.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2504

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/2504-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2504-1-0x0000000074FF0000-0x0000000075025000-memory.dmp

Filesize
212KB

Download
memory/2504-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2504-4-0x0000000074FF0000-0x0000000075025000-memory.dmp

Filesize
212KB

Download