dridex | 557c475b5649a49910f6cdc22d4fd52f4fa8d21bd0ceb9edc3c7593d5ede128d

Analysis

max time kernel
49s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-08-2024 03:30

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General

Target

e7728ec352245e08c9e7fa0ea58a7c20N.dll
Size

173KB
MD5

e7728ec352245e08c9e7fa0ea58a7c20
SHA1

91bbb19fef78bf206a3061c4e63dbe256a5f8123
SHA256

557c475b5649a49910f6cdc22d4fd52f4fa8d21bd0ceb9edc3c7593d5ede128d
SHA512

521628c61d3529c4aabe08340c4b3c91fe4fbf1971ee8998aa062696d98bf0a3556db649b36a9538fa3a0c99416ef70a333cdaffc39277368949a919d0df6f94
SSDEEP

3072:CaI6YY/DDdmhdj+O2WYXwU3qstRty89ksDoqOim1Gz4:CazYY/HO1kPdy8ksDv1mY

Score

10^/10

dridex 22201 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

159.69.237.186:443

207.210.192.60:8172

51.77.82.110:9987

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2680-1-0x0000000074810000-0x0000000074840000-memory.dmp	dridex_ldr
behavioral1/memory/2680-2-0x0000000074810000-0x0000000074840000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exe

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30
PID 2324 wrote to memory of 2680	2324	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7728ec352245e08c9e7fa0ea58a7c20N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7728ec352245e08c9e7fa0ea58a7c20N.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2680

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/2680-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2680-1-0x0000000074810000-0x0000000074840000-memory.dmp

Filesize
192KB

Download
memory/2680-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2680-2-0x0000000074810000-0x0000000074840000-memory.dmp

Filesize
192KB

Download