dridex | b0c7fb15c7179073ccdfb538eff6c2386ef4092964e438da08efee90c650da43

Analysis

max time kernel
26s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
27-06-2021 00:39

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General

Target

b0c7fb15c7179073ccdfb538eff6c2386ef4092964e438da08efee90c650da43.dll
Size

160KB
MD5

7f6a71c991b565d872caf5cfdeb92edb
SHA1

d55f5f45b67969e221345a6064ba981f1081d3f9
SHA256

b0c7fb15c7179073ccdfb538eff6c2386ef4092964e438da08efee90c650da43
SHA512

253d42b0197bf4deb1cca473c49e24404ef445ccce40eb412c021a2dad5a2005c4be15649fb51d2f803f96b5ec34e4fe1aa4d5aacaff67710ad448e77ff75c56

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/1056-115-0x0000000073550000-0x000000007357E000-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 800 wrote to memory of 1056	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 1056	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 1056	800	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0c7fb15c7179073ccdfb538eff6c2386ef4092964e438da08efee90c650da43.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0c7fb15c7179073ccdfb538eff6c2386ef4092964e438da08efee90c650da43.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1056

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/1056-114-0x0000000000000000-mapping.dmp

Download
memory/1056-115-0x0000000073550000-0x000000007357E000-memory.dmp

Filesize
184KB

Download
memory/1056-117-0x0000000004BD0000-0x0000000004BD6000-memory.dmp

Filesize
24KB

Download