dridex | 494cb7792a6423daae54b025c2887899e13d248af4e1fcd17500e21bbf421a91

Analysis

max time kernel
42s
max time network
50s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 23:16

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General

Target

494cb7792a6423daae54b025c2887899e13d248af4e1fcd17500e21bbf421a91.dll
Size

162KB
MD5

3fb32ea96bf3b5a7530f0ed47a3583d9
SHA1

c872735ecca280f8c639f4f9677c822ef2904e42
SHA256

494cb7792a6423daae54b025c2887899e13d248af4e1fcd17500e21bbf421a91
SHA512

0cc8578947e2e60a41fa24d604523230a9a781124a59e706ee110588ca66d96a3c3e6a72b142d6eab3c32605ba3d0816c1178a961b80e1b1d362027159dc1af6

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/1276-115-0x0000000073ED0000-0x0000000073EFE000-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 852 wrote to memory of 1276	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1276	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1276	852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\494cb7792a6423daae54b025c2887899e13d248af4e1fcd17500e21bbf421a91.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\494cb7792a6423daae54b025c2887899e13d248af4e1fcd17500e21bbf421a91.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1276

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/1276-114-0x0000000000000000-mapping.dmp

Download
memory/1276-115-0x0000000073ED0000-0x0000000073EFE000-memory.dmp

Filesize
184KB

Download
memory/1276-117-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download