dridex | 8a0b89da79faaec14459289fa951ff4a3f29805f975bf4229da4ab434356fcae

Analysis

max time kernel
24s
max time network
34s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 17:26

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General

Target

8a0b89da79faaec14459289fa951ff4a3f29805f975bf4229da4ab434356fcae.dll
Size

162KB
MD5

366c4b1e37cecd2b73400d80ad0704b7
SHA1

42f8c9ba610b591d1d09122da77cd5366d84b6ca
SHA256

8a0b89da79faaec14459289fa951ff4a3f29805f975bf4229da4ab434356fcae
SHA512

ac691e4f4aabe2b0179d211858ab04c470bad726ceab9730cb30f8342c8d7f209f37ca7c4c14885ff6a5d5f51ed9dfdb7ac66e99063fe92e628fee9e5f567d41

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/2176-115-0x0000000073B80000-0x0000000073BAE000-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 772 wrote to memory of 2176	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 2176	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 2176	772	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a0b89da79faaec14459289fa951ff4a3f29805f975bf4229da4ab434356fcae.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:772

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a0b89da79faaec14459289fa951ff4a3f29805f975bf4229da4ab434356fcae.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2176

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/2176-114-0x0000000000000000-mapping.dmp

Download
memory/2176-115-0x0000000073B80000-0x0000000073BAE000-memory.dmp

Filesize
184KB

Download
memory/2176-117-0x0000000002740000-0x000000000288A000-memory.dmp

Filesize
1.3MB

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