dridex | 11e755c9d1a5ea74dfc765a2f44eb7c3bbc2d735fcf2489882ede6aeb0816493

Analysis

max time kernel
22s
max time network
136s
platform
windows10_x64
resource
win10v20201028
submitted
20-11-2020 17:28

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General

Target

11e755c9d1a5ea74dfc765a2f44eb7c3bbc2d735fcf2489882ede6aeb0816493.bin.dll
Size

235KB
MD5

180230a6ffbbf57a370da06c41b26cf1
SHA1

2f25b00b16544615b766e5efd10555797177f29a
SHA256

11e755c9d1a5ea74dfc765a2f44eb7c3bbc2d735fcf2489882ede6aeb0816493
SHA512

ac20e09c66c9ee9b72543b17c35891c99a0ec210cf90fda93d451846f46747c309d96188b55588333f3e3a395292b1a9d0bd93f91b7b47fba7a61a49e0050427

Score

10^/10

dridex 10555 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098

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
behavioral2/memory/3584-1-0x0000000073540000-0x000000007357D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

9 3584 rundll32.exe
11 3584 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
9	3584	rundll32.exe
11	3584	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 732 wrote to memory of 3584	732	rundll32.exe	rundll32.exe
PID 732 wrote to memory of 3584	732	rundll32.exe	rundll32.exe
PID 732 wrote to memory of 3584	732	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11e755c9d1a5ea74dfc765a2f44eb7c3bbc2d735fcf2489882ede6aeb0816493.bin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:732

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11e755c9d1a5ea74dfc765a2f44eb7c3bbc2d735fcf2489882ede6aeb0816493.bin.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3584

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3584-0-0x0000000000000000-mapping.dmp

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memory/3584-1-0x0000000073540000-0x000000007357D000-memory.dmp

Filesize
244KB

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