dridex | 25850daa13a1ed1f82862efa87cf90589e2751349ae3a7bc96bf6bdb9cc74d9d

Analysis

max time kernel
19s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
26-06-2021 19:52

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General

Target

25850daa13a1ed1f82862efa87cf90589e2751349ae3a7bc96bf6bdb9cc74d9d.dll
Size

160KB
MD5

7303ecd034dedce4d4c77ca75b45fc79
SHA1

8ce065efe67d148e78ab1d2beecf19ddfdbe08a8
SHA256

25850daa13a1ed1f82862efa87cf90589e2751349ae3a7bc96bf6bdb9cc74d9d
SHA512

6093121e3c22a937f880506ef42df4b263703004acdfb7140f5998d37fd6b55abaac26df04a3693b49e49fc38d987cab6917c7d756ef5c2b13cc4c9c2c9a7990

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2484-115-0x00000000739B0000-0x00000000739DE000-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

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 2184 wrote to memory of 2484	2184	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 2484	2184	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 2484	2184	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25850daa13a1ed1f82862efa87cf90589e2751349ae3a7bc96bf6bdb9cc74d9d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25850daa13a1ed1f82862efa87cf90589e2751349ae3a7bc96bf6bdb9cc74d9d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2484-114-0x0000000000000000-mapping.dmp

Download
memory/2484-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Filesize
184KB

Download
memory/2484-117-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download