dridex | da653d1624cbe59458f48f8048c45f507091755a8a733cec579f53a99fbd68af

Analysis

max time kernel
101s
max time network
138s
platform
windows10_x64
resource
win10-en-20210920
submitted
14-10-2021 07:03

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General

Target

da653d1624cbe59458f48f8048c45f507091755a8a733cec579f53a99fbd68af.dll
Size

608KB
MD5

7ca72fc4a285f895d128f16491333e0e
SHA1

01c1d26d6ee088ab1466daa694e54671a4543cc0
SHA256

da653d1624cbe59458f48f8048c45f507091755a8a733cec579f53a99fbd68af
SHA512

eca5d8a49cb66dc3c7ed2d291d316d92fc8cd781a8870624ab5ea7cf24f279efc4e79868292e7424d9e0a35a340ab59bf74c23731afe33823d4c8f8b5baea678

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

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

36 3816 rundll32.exe
37 3816 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
36	3816	rundll32.exe
37	3816	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 2132 wrote to memory of 3816	2132	rundll32.exe	rundll32.exe
PID 2132 wrote to memory of 3816	2132	rundll32.exe	rundll32.exe
PID 2132 wrote to memory of 3816	2132	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da653d1624cbe59458f48f8048c45f507091755a8a733cec579f53a99fbd68af.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2132

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da653d1624cbe59458f48f8048c45f507091755a8a733cec579f53a99fbd68af.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3816

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/3816-115-0x0000000000000000-mapping.dmp

Download
memory/3816-116-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3816-117-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3816-118-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3816-120-0x00000000030E0000-0x000000000322A000-memory.dmp

Filesize
1.3MB

Download
memory/3816-122-0x0000000003230000-0x0000000003231000-memory.dmp

Filesize
4KB

Download
memory/3816-121-0x0000000003230000-0x0000000003231000-memory.dmp

Filesize
4KB

Download
memory/3816-123-0x0000000003230000-0x0000000003231000-memory.dmp

Filesize
4KB

Download