dridex | ceec2d7752b046d0e0119a794aae214e097ab074f728494bb6edab2fb5370b4b

Analysis

max time kernel
4294178s
max time network
133s
platform
windows7_x64
resource
win7-20220310-en
submitted
24-03-2022 11:11

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General

Target

ceec2d7752b046d0e0119a794aae214e097ab074f728494bb6edab2fb5370b4b.dll
Size

355KB
MD5

821e56271da5d7ab18c6eb49cb14abf5
SHA1

be56ac4b532620d9b3ec88c9b2530de0a6499d6a
SHA256

ceec2d7752b046d0e0119a794aae214e097ab074f728494bb6edab2fb5370b4b
SHA512

79b2325efe8ad9e24e0f22ede0d824367986caf3133df86be86b89d39c8d4cd3811bc3ee0cca8746ceeea5c3c790b192be0cab7b2d9b005444f6756df97111f5

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

175.126.167.148:443

173.249.20.233:8043

162.241.204.233:4443

138.122.143.40:8043

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1752 rundll32.exe
6 1752 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
4	1752	rundll32.exe
6	1752	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 288 wrote to memory of 1752	288	rundll32.exe	rundll32.exe
PID 288 wrote to memory of 1752	288	rundll32.exe	rundll32.exe
PID 288 wrote to memory of 1752	288	rundll32.exe	rundll32.exe
PID 288 wrote to memory of 1752	288	rundll32.exe	rundll32.exe
PID 288 wrote to memory of 1752	288	rundll32.exe	rundll32.exe
PID 288 wrote to memory of 1752	288	rundll32.exe	rundll32.exe
PID 288 wrote to memory of 1752	288	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ceec2d7752b046d0e0119a794aae214e097ab074f728494bb6edab2fb5370b4b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:288

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ceec2d7752b046d0e0119a794aae214e097ab074f728494bb6edab2fb5370b4b.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1752

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/1752-54-0x0000000000000000-mapping.dmp

Download
memory/1752-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/1752-56-0x0000000000130000-0x000000000016D000-memory.dmp

Filesize
244KB

Download
memory/1752-57-0x0000000000270000-0x00000000002AD000-memory.dmp

Filesize
244KB

Download