dridex | 9a62a02e62115da405f07dac4d2ca2237dc8fff8ae6a4a889d07e437de370509

Analysis

max time kernel
38s
max time network
46s
platform
windows10_x64
resource
win10v20210408
submitted
19-04-2021 18:14

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General

Target

9a62a02e62115da405f07dac4d2ca2237dc8fff8ae6a4a889d07e437de370509.dll
Size

966KB
MD5

17d87654aea66ba8a0d416be95fac1b4
SHA1

1b879e91df01b96b7ea5e975b840c1c365836b46
SHA256

9a62a02e62115da405f07dac4d2ca2237dc8fff8ae6a4a889d07e437de370509
SHA512

9e8b4f79ce01ec2176bfcfbee771c12f7d881e4051984ae4b053d0204f5a08680b3c71afdff0b471397fe15363bb2397fdc5226c4cb7091023a87dd3b3ff8e08

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

146.185.170.249:443

62.75.251.60:6601

185.148.168.25:2303

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/1200-116-0x0000000074070000-0x0000000074186000-memory.dmp	dridex_ldr
behavioral1/memory/1200-115-0x0000000074070000-0x00000000740AD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

12 1200 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

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

flow	pid	process
12	1200	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 908 wrote to memory of 1200	908	rundll32.exe	rundll32.exe
PID 908 wrote to memory of 1200	908	rundll32.exe	rundll32.exe
PID 908 wrote to memory of 1200	908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a62a02e62115da405f07dac4d2ca2237dc8fff8ae6a4a889d07e437de370509.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a62a02e62115da405f07dac4d2ca2237dc8fff8ae6a4a889d07e437de370509.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1200

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1200-114-0x0000000000000000-mapping.dmp

Download
memory/1200-116-0x0000000074070000-0x0000000074186000-memory.dmp

Filesize
1.1MB

Download
memory/1200-115-0x0000000074070000-0x00000000740AD000-memory.dmp

Filesize
244KB

Download
memory/1200-179-0x0000000003350000-0x0000000003351000-memory.dmp

Filesize
4KB

Download