dridex | 056cdb544f37d5bd97e9d78d6afdd23279681ca849e25d377b6a04f5da8108e0

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 01:12

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General

Target

056cdb544f37d5bd97e9d78d6afdd23279681ca849e25d377b6a04f5da8108e0.dll
Size

188KB
MD5

9bae6b37c68fccca453e2dd0f33b113d
SHA1

aaf2b005c2a21abe4c5b8bf029eea2afee2d5549
SHA256

056cdb544f37d5bd97e9d78d6afdd23279681ca849e25d377b6a04f5da8108e0
SHA512

0730cf11d0bc99a491e945fd181223bb40b0128fe042ca0b999f742b18eaeafe0c4fb640f4fb178fdc594358fe16c50d89fbe03355983577b9009cc19b42a3ef
SSDEEP

3072:1hkmmmmmmmmmJJ+uMK7pq+N2B5mZS7kmmmmmmmmmpAmcZfwxb603tfNiwcD7Nxmo:16mmmmmmmmmj+uMAMY2B5mZS7kmmmmmR

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

209.151.236.42:443

91.121.94.86:8172

5.189.144.136:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 3 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2932-0-0x0000000074770000-0x00000000747A1000-memory.dmp	dridex_ldr
behavioral1/memory/2932-19-0x0000000074770000-0x00000000747A1000-memory.dmp	dridex_ldr
behavioral1/memory/2932-25-0x0000000074770000-0x00000000747A1000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2932	rundll32.exe
6	2932	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 2680 wrote to memory of 2932	2680	rundll32.exe	30
PID 2680 wrote to memory of 2932	2680	rundll32.exe	30
PID 2680 wrote to memory of 2932	2680	rundll32.exe	30
PID 2680 wrote to memory of 2932	2680	rundll32.exe	30
PID 2680 wrote to memory of 2932	2680	rundll32.exe	30
PID 2680 wrote to memory of 2932	2680	rundll32.exe	30
PID 2680 wrote to memory of 2932	2680	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\056cdb544f37d5bd97e9d78d6afdd23279681ca849e25d377b6a04f5da8108e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\056cdb544f37d5bd97e9d78d6afdd23279681ca849e25d377b6a04f5da8108e0.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\Cab9C22.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2932-0-0x0000000074770000-0x00000000747A1000-memory.dmp

Filesize
196KB

Download
memory/2932-2-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2932-19-0x0000000074770000-0x00000000747A1000-memory.dmp

Filesize
196KB

Download
memory/2932-25-0x0000000074770000-0x00000000747A1000-memory.dmp

Filesize
196KB

Download