dridex | b1e0e71eb9e44fc35554fb048cc74f1ca06b7d864ec81f8c9995a81aebc73671

Analysis

max time kernel
79s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 03:46

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General

Target

JaffaCakes118_b1e0e71eb9e44fc35554fb048cc74f1ca06b7d864ec81f8c9995a81aebc73671.dll
Size

162KB
MD5

6ec878c7c2be720187aa70f45c710da5
SHA1

6248946cd69e7533df4469526b9b63e71473fc6e
SHA256

b1e0e71eb9e44fc35554fb048cc74f1ca06b7d864ec81f8c9995a81aebc73671
SHA512

061fe31edf8f71fffd53bafb551a279c5c8ed8a52638a0abe7d333e3357299280a4fb51ce09df34e7d32003f03fb012c31a3c26b7376926e31e1e59af4be7b34
SSDEEP

3072:fmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:+Lc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/784-1-0x0000000074CF0000-0x0000000074D1E000-memory.dmp	dridex_ldr
behavioral1/memory/784-3-0x0000000074CF0000-0x0000000074D1E000-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 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30
PID 1924 wrote to memory of 784	1924	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1e0e71eb9e44fc35554fb048cc74f1ca06b7d864ec81f8c9995a81aebc73671.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1e0e71eb9e44fc35554fb048cc74f1ca06b7d864ec81f8c9995a81aebc73671.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:784

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/784-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/784-1-0x0000000074CF0000-0x0000000074D1E000-memory.dmp

Filesize
184KB

Download
memory/784-4-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/784-3-0x0000000074CF0000-0x0000000074D1E000-memory.dmp

Filesize
184KB

Download