dridex | ff1889a639f8cb185deb5fd91d0433a4ae25231549b424c0bb74b0b1394252db

Analysis

max time kernel
66s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 04:30

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General

Target

JaffaCakes118_ff1889a639f8cb185deb5fd91d0433a4ae25231549b424c0bb74b0b1394252db.dll
Size

204KB
MD5

c94cb86d604ddb62cd2465ec33f0bdfb
SHA1

b99a48ea2e279bbf0a9b551271ff2c806576ae2e
SHA256

ff1889a639f8cb185deb5fd91d0433a4ae25231549b424c0bb74b0b1394252db
SHA512

bad05b3c42e527824ec79e3a1f232538dc888973126a479af54f9220c1f064efcbe5c389ab166db0e54cba89442446c8bd1fd0abb83230f278c153e196583402
SSDEEP

3072:W6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:WZuX6pEaeEDheWa+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/828-1-0x00000000752F0000-0x0000000075325000-memory.dmp	dridex_ldr
behavioral1/memory/828-2-0x00000000752F0000-0x0000000075325000-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 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff1889a639f8cb185deb5fd91d0433a4ae25231549b424c0bb74b0b1394252db.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff1889a639f8cb185deb5fd91d0433a4ae25231549b424c0bb74b0b1394252db.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:828

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/828-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/828-1-0x00000000752F0000-0x0000000075325000-memory.dmp

Filesize
212KB

Download
memory/828-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/828-2-0x00000000752F0000-0x0000000075325000-memory.dmp

Filesize
212KB

Download