dridex | 4f89e45c1b309a812cf2850be6b771867aaeb89f8b257f7a074df75956246c8c

General

Target

4f89e45c1b309a812cf2850be6b771867aaeb89f8b257f7a074df75956246c8c.dll
Size

750KB
MD5

9b4c47baaa538bf729df632919c57d7e
SHA1

134fe5e81abe7760d15eaa89c9763d27806d03f7
SHA256

4f89e45c1b309a812cf2850be6b771867aaeb89f8b257f7a074df75956246c8c
SHA512

d6acefec262b521e0d88dfa1665d25f41d5b8889adc55dfbe5cb1241dd96e88246b52da823af3c37eb00e48129837c15972a4655d6774f1bd9b989b8b7cf83f5

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

24 3116 rundll32.exe
25 3116 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
24	3116	rundll32.exe
25	3116	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 3860 wrote to memory of 3116	3860	rundll32.exe	rundll32.exe
PID 3860 wrote to memory of 3116	3860	rundll32.exe	rundll32.exe
PID 3860 wrote to memory of 3116	3860	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f89e45c1b309a812cf2850be6b771867aaeb89f8b257f7a074df75956246c8c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3860

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f89e45c1b309a812cf2850be6b771867aaeb89f8b257f7a074df75956246c8c.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3116

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/3116-115-0x0000000000000000-mapping.dmp

Download
memory/3116-116-0x0000000073E30000-0x0000000073EF9000-memory.dmp

Filesize
804KB

Download
memory/3116-118-0x0000000073E30000-0x0000000073EF9000-memory.dmp

Filesize
804KB

Download
memory/3116-117-0x0000000073E30000-0x0000000073E6D000-memory.dmp

Filesize
244KB

Download
memory/3116-120-0x0000000003060000-0x0000000003061000-memory.dmp

Filesize
4KB

Download
memory/3116-121-0x0000000003060000-0x0000000003061000-memory.dmp

Filesize
4KB

Download
memory/3116-122-0x0000000003060000-0x0000000003061000-memory.dmp

Filesize
4KB

Download
memory/3116-192-0x0000000003000000-0x000000000314A000-memory.dmp

Filesize
1.3MB

Download

Analysis

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