dridex | 949f8549f7673ca8144a9af9d953ee7caf3fa075db0ab57f14089a182a008487

Analysis

max time kernel
26s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
20-06-2021 22:20

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General

Target

949f8549f7673ca8144a9af9d953ee7caf3fa075db0ab57f14089a182a008487.dll
Size

162KB
MD5

b78cbcd51d922d4fb4d98521bc7f5876
SHA1

c178e15ecfb7b0f4a49dd981620fc566a82bac25
SHA256

949f8549f7673ca8144a9af9d953ee7caf3fa075db0ab57f14089a182a008487
SHA512

fe1db4338c748392596adb70af02ec7bbfd3d6138088d06414ad584e3b9042e802380fb459fcc9057e854bff8730a1a3bb06dc1db3cea92d571533520d6da8d5

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/4900-115-0x0000000073880000-0x00000000738AE000-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 4796 wrote to memory of 4900	4796	rundll32.exe	rundll32.exe
PID 4796 wrote to memory of 4900	4796	rundll32.exe	rundll32.exe
PID 4796 wrote to memory of 4900	4796	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\949f8549f7673ca8144a9af9d953ee7caf3fa075db0ab57f14089a182a008487.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\949f8549f7673ca8144a9af9d953ee7caf3fa075db0ab57f14089a182a008487.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4900

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4900-114-0x0000000000000000-mapping.dmp

Download
memory/4900-115-0x0000000073880000-0x00000000738AE000-memory.dmp

Filesize
184KB

Download
memory/4900-117-0x00000000030A0000-0x000000000314E000-memory.dmp

Filesize
696KB

Download