dridex | fed976ccb46e9a6679c1c8e141c3f81bce21cf627def54d2d00c3ba56bffa090

Analysis

max time kernel
145s
max time network
154s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 05:36

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General

Target

hvq2e3c.dll
Size

504KB
MD5

c033932c15f002e82005af6207370743
SHA1

68603ee11cb648b29fbf9ac789f16c3c20ab5fb2
SHA256

fed976ccb46e9a6679c1c8e141c3f81bce21cf627def54d2d00c3ba56bffa090
SHA512

b7bd61d8c6154c9b1fb69349c582f11c3d33430523490813edd1b8c7bc1d8c2b84f26528a63c1780198bc6442c584d687917027ab3add174db343e5728d749bf

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

210.65.244.166:443

178.33.183.53:7443

157.7.139.198:6601

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

3 1956 rundll32.exe
5 1956 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
3	1956	rundll32.exe
5	1956	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 2040 wrote to memory of 1956	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1956	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1956	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1956	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1956	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1956	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1956	2040	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\hvq2e3c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\hvq2e3c.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1956-54-0x0000000000000000-mapping.dmp

Download
memory/1956-55-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download
memory/1956-56-0x0000000000230000-0x00000000002C1000-memory.dmp

Filesize
580KB

Download
memory/1956-58-0x0000000000230000-0x00000000002C1000-memory.dmp

Filesize
580KB

Download
memory/1956-57-0x0000000000230000-0x000000000026D000-memory.dmp

Filesize
244KB

Download
memory/1956-60-0x0000000000230000-0x00000000002C1000-memory.dmp

Filesize
580KB

Download
memory/1956-61-0x0000000000230000-0x00000000002C1000-memory.dmp

Filesize
580KB

Download