dridex | fc770091755bc4c2a50611ebec014fba63d4835257bf2806458e0c3122670a0c

Analysis

max time kernel
75s
max time network
143s
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, 04:26

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General

Target

JaffaCakes118_fc770091755bc4c2a50611ebec014fba63d4835257bf2806458e0c3122670a0c.dll
Size

204KB
MD5

e6d6d98e3eae3dcc6216167e7bf6c03d
SHA1

a5a2b3ba1ddf895260ff727faa17de38ce7d86ea
SHA256

fc770091755bc4c2a50611ebec014fba63d4835257bf2806458e0c3122670a0c
SHA512

f2b90ad993b2c0977c1d2c0be260f9e72464d180e780397a9506af877ada1d1b64956debfd19d0a965c6d5b402f557d4c01d3e107f392e21ddc94795a8563bbd
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
behavioral2/memory/1592-1-0x0000000075420000-0x0000000075455000-memory.dmp	dridex_ldr
behavioral2/memory/1592-4-0x0000000075420000-0x0000000075455000-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 1100 wrote to memory of 1592	1100	rundll32.exe	83
PID 1100 wrote to memory of 1592	1100	rundll32.exe	83
PID 1100 wrote to memory of 1592	1100	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc770091755bc4c2a50611ebec014fba63d4835257bf2806458e0c3122670a0c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc770091755bc4c2a50611ebec014fba63d4835257bf2806458e0c3122670a0c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1592

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/1592-0-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1592-1-0x0000000075420000-0x0000000075455000-memory.dmp

Filesize
212KB

Download
memory/1592-3-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1592-4-0x0000000075420000-0x0000000075455000-memory.dmp

Filesize
212KB

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