dridex | 2ed0821ec4e2dfa7c9b18bda8dbd1069d5f997aa9e96d7180ee5e6084097e2bd

Analysis

max time kernel
36s
max time network
145s
platform
windows10_x64
resource
win10v20201028
submitted
03-03-2021 19:06

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General

Target

2ed0821ec4e2dfa7c9b18bda8dbd1069d5f997aa9e96d7180ee5e6084097e2bd.dll
Size

188KB
MD5

cb48a09de8f980911b221d68deb73128
SHA1

e28e6d129eb38f73546a72832d4e0b3c65f4b55e
SHA256

2ed0821ec4e2dfa7c9b18bda8dbd1069d5f997aa9e96d7180ee5e6084097e2bd
SHA512

8e6ad9e0d64b2c12d950e43397c236d0e315ae92cfcab1190a97be0f5aec84c56ce98c7a899837e6a67688f0ec168a6e918d2e54d2d3a1a32a4106907e9532d6

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

116.251.211.158:443

216.10.242.142:6601

37.247.35.137:6601

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/1028-3-0x0000000073980000-0x00000000739B1000-memory.dmp	dridex_ldr
behavioral2/memory/1028-5-0x0000000073980000-0x000000007399F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

14 1028 rundll32.exe
16 1028 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
14	1028	rundll32.exe
16	1028	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 540 wrote to memory of 1028	540	rundll32.exe	rundll32.exe
PID 540 wrote to memory of 1028	540	rundll32.exe	rundll32.exe
PID 540 wrote to memory of 1028	540	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ed0821ec4e2dfa7c9b18bda8dbd1069d5f997aa9e96d7180ee5e6084097e2bd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:540

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ed0821ec4e2dfa7c9b18bda8dbd1069d5f997aa9e96d7180ee5e6084097e2bd.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1028-2-0x0000000000000000-mapping.dmp

Download
memory/1028-3-0x0000000073980000-0x00000000739B1000-memory.dmp

Filesize
196KB

Download
memory/1028-4-0x0000000002BA0000-0x0000000002BA6000-memory.dmp

Filesize
24KB

Download
memory/1028-5-0x0000000073980000-0x000000007399F000-memory.dmp

Filesize
124KB

Download