dridex | 0a082fbd636777d933a585cdbd687e550dcce3048c467e3ac0899dc9ee5a04d3

Analysis

max time kernel
144s
max time network
144s
platform
windows10_x64
resource
win10v20201028
submitted
23-02-2021 12:59

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General

Target

0a082fbd636777d933a585cdbd687e550dcce3048c467e3ac0899dc9ee5a04d3.dll
Size

184KB
MD5

84b8e063da37587c7bdefa9739d4dd9a
SHA1

17cdba08c371b7e78365d97e4e0f85bcbb277968
SHA256

0a082fbd636777d933a585cdbd687e550dcce3048c467e3ac0899dc9ee5a04d3
SHA512

6d57583d72a9018351ede42645473bfe948ede5b34e2334c003977a99c08f27ec836da34c711d22dd2fadc374d2583aebf71f3d1d76c377f9c5082196a24cb8b

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

162.13.114.59:443

70.39.99.196:8172

37.187.115.122:6601

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
behavioral2/memory/4712-3-0x00000000742A0000-0x00000000742D0000-memory.dmp	dridex_ldr
behavioral2/memory/4712-5-0x00000000742A0000-0x00000000742BF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 3 IoCs

Processes:

rundll32.exe

flow pid process

19 4712 rundll32.exe
21 4712 rundll32.exe
22 4712 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
19	4712	rundll32.exe
21	4712	rundll32.exe
22	4712	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 4652 wrote to memory of 4712	4652	rundll32.exe	rundll32.exe
PID 4652 wrote to memory of 4712	4652	rundll32.exe	rundll32.exe
PID 4652 wrote to memory of 4712	4652	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a082fbd636777d933a585cdbd687e550dcce3048c467e3ac0899dc9ee5a04d3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4652

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a082fbd636777d933a585cdbd687e550dcce3048c467e3ac0899dc9ee5a04d3.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4712

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/4712-2-0x0000000000000000-mapping.dmp

Download
memory/4712-3-0x00000000742A0000-0x00000000742D0000-memory.dmp

Filesize
192KB

Download
memory/4712-4-0x0000000003080000-0x0000000003086000-memory.dmp

Filesize
24KB

Download
memory/4712-5-0x00000000742A0000-0x00000000742BF000-memory.dmp

Filesize
124KB

Download