dridex | f4f31d8f614976d64bc98af8dba9deffc27f9f0f0c7f9fbd2cff5e0500068f0b

Analysis

max time kernel
122s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 18:34

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General

Target

JaffaCakes118_f4f31d8f614976d64bc98af8dba9deffc27f9f0f0c7f9fbd2cff5e0500068f0b.dll
Size

204KB
MD5

3fa0dd047e7b3d807a60d6f356b2fe31
SHA1

26a2fe09f06a8bebb0445ca06b89cc4ae0eef466
SHA256

f4f31d8f614976d64bc98af8dba9deffc27f9f0f0c7f9fbd2cff5e0500068f0b
SHA512

65f7393ce27ec40e2923629ad766de3c3522557e58282e51e006316ce4f5c946184e2c9bac2490d16808b31fe7bc30fbfc79592563837961c0966edf5777ad64
SSDEEP

3072:a6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:aZuX6pEaeEDheWa+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
behavioral2/memory/4924-1-0x00000000754B0000-0x00000000754E5000-memory.dmp	dridex_ldr
behavioral2/memory/4924-4-0x00000000754B0000-0x00000000754E5000-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 3 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 4924	5040	rundll32.exe	82
PID 5040 wrote to memory of 4924	5040	rundll32.exe	82
PID 5040 wrote to memory of 4924	5040	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4f31d8f614976d64bc98af8dba9deffc27f9f0f0c7f9fbd2cff5e0500068f0b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4f31d8f614976d64bc98af8dba9deffc27f9f0f0c7f9fbd2cff5e0500068f0b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4924

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/4924-0-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Filesize
24KB

Download
memory/4924-1-0x00000000754B0000-0x00000000754E5000-memory.dmp

Filesize
212KB

Download
memory/4924-3-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Filesize
24KB

Download
memory/4924-4-0x00000000754B0000-0x00000000754E5000-memory.dmp

Filesize
212KB

Download