dridex | d3b3b5092d0cf0911351834fc42a564b7c73de8bf01a551e6703658d853cf2c5

Analysis

max time kernel
100s
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, 04:43

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General

Target

JaffaCakes118_d3b3b5092d0cf0911351834fc42a564b7c73de8bf01a551e6703658d853cf2c5.dll
Size

204KB
MD5

8fd7fccccce84c768c368b693b75d6ff
SHA1

99825bd7f40d471816d49c4aa6631e8aa9dd11b3
SHA256

d3b3b5092d0cf0911351834fc42a564b7c73de8bf01a551e6703658d853cf2c5
SHA512

72a028bd4c51cd4390683379322a5c8a94b4e6c6e0da0a5a8f6a0ee755deaa8cc0b45940b2e6a84db561eaf2ba6b0068862338b93eba709bb7a48e57260d7e32
SSDEEP

3072:p6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:pZuX6pEaeEDheWa+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/1944-1-0x0000000075250000-0x0000000075285000-memory.dmp	dridex_ldr
behavioral1/memory/1944-4-0x0000000075250000-0x0000000075285000-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 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3b3b5092d0cf0911351834fc42a564b7c73de8bf01a551e6703658d853cf2c5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d3b3b5092d0cf0911351834fc42a564b7c73de8bf01a551e6703658d853cf2c5.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1944

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/1944-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1944-1-0x0000000075250000-0x0000000075285000-memory.dmp

Filesize
212KB

Download
memory/1944-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1944-4-0x0000000075250000-0x0000000075285000-memory.dmp

Filesize
212KB

Download