dridex | b9b1f14d3d2ed94a9b041acc4fb6f2140459a1ec1ed56a5546e121f73bcade91

Analysis

max time kernel
104s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:23

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General

Target

JaffaCakes118_b9b1f14d3d2ed94a9b041acc4fb6f2140459a1ec1ed56a5546e121f73bcade91.dll
Size

204KB
MD5

232b7741849f0caf4d2a863142737a3b
SHA1

dcb5b327811ed96d50f86a5a79edde2e1500b8db
SHA256

b9b1f14d3d2ed94a9b041acc4fb6f2140459a1ec1ed56a5546e121f73bcade91
SHA512

7757f78ff544cb996f94c1213e1faecdaee09484333dde046053cfb999f3456d36ba16e40f48b0f878be5b27ea3d0a8e96583c5cc4b5182ef5f5caf4ab4d3a54
SSDEEP

3072:46FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:4ZuX6pEaeEDheWa+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/2988-1-0x0000000075190000-0x00000000751C5000-memory.dmp	dridex_ldr
behavioral1/memory/2988-4-0x0000000075190000-0x00000000751C5000-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 2948 wrote to memory of 2988	2948	rundll32.exe	30
PID 2948 wrote to memory of 2988	2948	rundll32.exe	30
PID 2948 wrote to memory of 2988	2948	rundll32.exe	30
PID 2948 wrote to memory of 2988	2948	rundll32.exe	30
PID 2948 wrote to memory of 2988	2948	rundll32.exe	30
PID 2948 wrote to memory of 2988	2948	rundll32.exe	30
PID 2948 wrote to memory of 2988	2948	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9b1f14d3d2ed94a9b041acc4fb6f2140459a1ec1ed56a5546e121f73bcade91.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9b1f14d3d2ed94a9b041acc4fb6f2140459a1ec1ed56a5546e121f73bcade91.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2988

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/2988-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2988-1-0x0000000075190000-0x00000000751C5000-memory.dmp

Filesize
212KB

Download
memory/2988-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2988-4-0x0000000075190000-0x00000000751C5000-memory.dmp

Filesize
212KB

Download