dridex | 599eb58ce0ff828f90dc8620c7a4e0b795068aebe48ebc2128e726bfb61639d2

Analysis

max time kernel
71s
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, 22:48

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General

Target

JaffaCakes118_599eb58ce0ff828f90dc8620c7a4e0b795068aebe48ebc2128e726bfb61639d2.dll
Size

162KB
MD5

1f40bc5f1cfbba903f6b646c0b54c70a
SHA1

91d41356818f5f65f25790ea3c8c121987d2721f
SHA256

599eb58ce0ff828f90dc8620c7a4e0b795068aebe48ebc2128e726bfb61639d2
SHA512

61e308ece4da48c4c63047e567a30bc552c39fc3d508acbb49f0ea7c587e48053a36b56d3abeb24f7d744912c010673b61eeb1932f8fc67cae9b0b13667c3cc9
SSDEEP

3072:AmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:JLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

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/840-1-0x0000000075170000-0x000000007519E000-memory.dmp	dridex_ldr
behavioral1/memory/840-4-0x0000000075170000-0x000000007519E000-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 2100 wrote to memory of 840	2100	rundll32.exe	30
PID 2100 wrote to memory of 840	2100	rundll32.exe	30
PID 2100 wrote to memory of 840	2100	rundll32.exe	30
PID 2100 wrote to memory of 840	2100	rundll32.exe	30
PID 2100 wrote to memory of 840	2100	rundll32.exe	30
PID 2100 wrote to memory of 840	2100	rundll32.exe	30
PID 2100 wrote to memory of 840	2100	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599eb58ce0ff828f90dc8620c7a4e0b795068aebe48ebc2128e726bfb61639d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599eb58ce0ff828f90dc8620c7a4e0b795068aebe48ebc2128e726bfb61639d2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:840

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/840-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/840-1-0x0000000075170000-0x000000007519E000-memory.dmp

Filesize
184KB

Download
memory/840-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/840-4-0x0000000075170000-0x000000007519E000-memory.dmp

Filesize
184KB

Download