dridex | b3b5546d830e1ec9212f4e2f855b2d4024e8ca11253c06b65a8af1ec010f2845

Analysis

max time kernel
62s
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 21:40

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General

Target

JaffaCakes118_b3b5546d830e1ec9212f4e2f855b2d4024e8ca11253c06b65a8af1ec010f2845.dll
Size

204KB
MD5

04d19ed55f077c4f59d8ed5f9cbc8ffa
SHA1

270f3e6273423250f894390646c002269231e57b
SHA256

b3b5546d830e1ec9212f4e2f855b2d4024e8ca11253c06b65a8af1ec010f2845
SHA512

dbb6d9d5d4b73ee459637addf501034552239ce15d1eb0320d255f4d08167e857d15a1000e8518bbcaa0805fc34328c7dbfe2a74e61fbe977f45b8a4b86581a8
SSDEEP

3072:g6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:gZuX6pEaeEDheWa+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/1728-1-0x0000000074B80000-0x0000000074BB5000-memory.dmp	dridex_ldr
behavioral1/memory/1728-2-0x0000000074B80000-0x0000000074BB5000-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 1204 wrote to memory of 1728	1204	rundll32.exe	30
PID 1204 wrote to memory of 1728	1204	rundll32.exe	30
PID 1204 wrote to memory of 1728	1204	rundll32.exe	30
PID 1204 wrote to memory of 1728	1204	rundll32.exe	30
PID 1204 wrote to memory of 1728	1204	rundll32.exe	30
PID 1204 wrote to memory of 1728	1204	rundll32.exe	30
PID 1204 wrote to memory of 1728	1204	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3b5546d830e1ec9212f4e2f855b2d4024e8ca11253c06b65a8af1ec010f2845.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3b5546d830e1ec9212f4e2f855b2d4024e8ca11253c06b65a8af1ec010f2845.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1728

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/1728-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1728-1-0x0000000074B80000-0x0000000074BB5000-memory.dmp

Filesize
212KB

Download
memory/1728-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1728-2-0x0000000074B80000-0x0000000074BB5000-memory.dmp

Filesize
212KB

Download