dridex | ee7fb2c80d221dff02db8416bcd2b09c4ec50eb15fa626afe02c7a311243ae05

General

Target

2980030803fd28c4b6853ac409913169.dll
Size

750KB
MD5

2980030803fd28c4b6853ac409913169
SHA1

bdf5d8880fac10050953d2cac23192bf51ef2b1c
SHA256

ee7fb2c80d221dff02db8416bcd2b09c4ec50eb15fa626afe02c7a311243ae05
SHA512

a3619ca66ecb89e02ed23d982dc46df72fae4fdbbde33beb5b58eee5b6f8124e190d5b1a2460d29e37d72049de62b3d0f04ea95181414f02bcdc3060dd8ce87f

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

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

25 4084 rundll32.exe
27 4084 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
25	4084	rundll32.exe
27	4084	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 3208 wrote to memory of 4084	3208	rundll32.exe	rundll32.exe
PID 3208 wrote to memory of 4084	3208	rundll32.exe	rundll32.exe
PID 3208 wrote to memory of 4084	3208	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2980030803fd28c4b6853ac409913169.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3208

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2980030803fd28c4b6853ac409913169.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4084

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4084-115-0x0000000000000000-mapping.dmp

Download
memory/4084-116-0x0000000073AC0000-0x0000000073B89000-memory.dmp

Filesize
804KB

Download
memory/4084-117-0x0000000073AC0000-0x0000000073AFD000-memory.dmp

Filesize
244KB

Download
memory/4084-118-0x0000000073AC0000-0x0000000073B89000-memory.dmp

Filesize
804KB

Download
memory/4084-120-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/4084-121-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/4084-122-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/4084-192-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download

Analysis

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