dridex | bfb7b828c0fee4dde91cab7752c82c40500a8a21dc451d5d3dec6ceb9fb79345

Analysis

max time kernel
26s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
10-06-2021 22:56

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General

Target

bfb7b828c0fee4dde91cab7752c82c40500a8a21dc451d5d3dec6ceb9fb79345.dll
Size

162KB
MD5

acdaf165dc0df9d4f71ff2a0b82b0efd
SHA1

77b1a8567444b3bdfbc22436a2ff1dc919ac0b4b
SHA256

bfb7b828c0fee4dde91cab7752c82c40500a8a21dc451d5d3dec6ceb9fb79345
SHA512

3166867117d4c7b01df567b2c48eef1fc2c753dbeebc7a25e2ed381521cf47da91b7731f101a02883dcbd7f0bb88cbb550bd12e026db8876983d7f7566e333d2

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/1124-115-0x0000000074300000-0x000000007432E000-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 624 wrote to memory of 1124	624	rundll32.exe	rundll32.exe
PID 624 wrote to memory of 1124	624	rundll32.exe	rundll32.exe
PID 624 wrote to memory of 1124	624	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfb7b828c0fee4dde91cab7752c82c40500a8a21dc451d5d3dec6ceb9fb79345.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfb7b828c0fee4dde91cab7752c82c40500a8a21dc451d5d3dec6ceb9fb79345.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1124

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/1124-114-0x0000000000000000-mapping.dmp

Download
memory/1124-115-0x0000000074300000-0x000000007432E000-memory.dmp

Filesize
184KB

Download
memory/1124-117-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download