dridex | fc0f7851baf952591413d2da564814fd65ee779336b35869d341cea82e1b090b

Analysis

max time kernel
86s
max time network
90s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:17

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General

Target

fc0f7851baf952591413d2da564814fd65ee779336b35869d341cea82e1b090b.dll
Size

154KB
MD5

dadefa9d087853f2e25ad3ac0adbee4c
SHA1

87bead7f7b69c0114c6cf9b13059e9ee7c626901
SHA256

fc0f7851baf952591413d2da564814fd65ee779336b35869d341cea82e1b090b
SHA512

6d2ac45aa83909a6b3315e597ad476613cc20b3354f1df4bf199bd6305b56427d855876acde970e65442617cf4835544113c43e50e3ca514c515a2b43f58e339

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/3296-115-0x0000000073B80000-0x0000000073BAD000-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 3984 wrote to memory of 3296	3984	rundll32.exe	rundll32.exe
PID 3984 wrote to memory of 3296	3984	rundll32.exe	rundll32.exe
PID 3984 wrote to memory of 3296	3984	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc0f7851baf952591413d2da564814fd65ee779336b35869d341cea82e1b090b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3984

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc0f7851baf952591413d2da564814fd65ee779336b35869d341cea82e1b090b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3296

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/3296-114-0x0000000000000000-mapping.dmp

Download
memory/3296-115-0x0000000073B80000-0x0000000073BAD000-memory.dmp

Filesize
180KB

Download
memory/3296-117-0x0000000004CE0000-0x0000000004CE6000-memory.dmp

Filesize
24KB

Download