dridex | cf69d9be6cde033a3d45916c827fb88642e007d5c6c2cdac727e39e6da88c98a

Analysis

max time kernel
28s
max time network
136s
platform
windows10_x64
resource
win10v20210408
submitted
26-06-2021 22:56

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General

Target

cf69d9be6cde033a3d45916c827fb88642e007d5c6c2cdac727e39e6da88c98a.dll
Size

160KB
MD5

b50e7fb896794d83a04b474f6f98577b
SHA1

6018487dc347aee8fbe691321a6bd87386b932e0
SHA256

cf69d9be6cde033a3d45916c827fb88642e007d5c6c2cdac727e39e6da88c98a
SHA512

d88545f985188c1af19aa4887666e81a6e177e8cf89dca0976c2f547b190cefc2d0bde8363e48cacc8d4fe1502e0a4ba27ecd0738c8fd88739cd63bf9d2048b4

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/1328-115-0x0000000073D90000-0x0000000073DBE000-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 808 wrote to memory of 1328	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1328	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1328	808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf69d9be6cde033a3d45916c827fb88642e007d5c6c2cdac727e39e6da88c98a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf69d9be6cde033a3d45916c827fb88642e007d5c6c2cdac727e39e6da88c98a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1328

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/1328-114-0x0000000000000000-mapping.dmp

Download
memory/1328-115-0x0000000073D90000-0x0000000073DBE000-memory.dmp

Filesize
184KB

Download
memory/1328-117-0x0000000002D50000-0x0000000002E9A000-memory.dmp

Filesize
1.3MB

Download