dridex | 098d26bbae963145c22f6468c71bda72763e31ed5f068470400746f8b013d12e

General

Target

098d26bbae963145c22f6468c71bda72763e31ed5f068470400746f8b013d12e.dll
Size

196KB
MD5

ba6c9a663cbb4166852ab6643e32c986
SHA1

a89fa67d52c9d252c557d3d247e4323e5d1f20d6
SHA256

098d26bbae963145c22f6468c71bda72763e31ed5f068470400746f8b013d12e
SHA512

c84ec3eb676c5a961db54f8c5bef93a1ac48128fd47b6cfe643a88b66e8f66f59fd43d0fa961558c982071c5d48e8dee9b5037bdf54c545fd5cbecb36054d8b2

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1308-4-0x00000000747C0000-0x00000000747F3000-memory.dmp	dridex_ldr
behavioral1/memory/1308-6-0x00000000747C0000-0x00000000747DF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1308 rundll32.exe
8 1308 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
5	1308	rundll32.exe
8	1308	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 1968 wrote to memory of 1308	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 1308	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 1308	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 1308	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 1308	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 1308	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 1308	1968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\098d26bbae963145c22f6468c71bda72763e31ed5f068470400746f8b013d12e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\098d26bbae963145c22f6468c71bda72763e31ed5f068470400746f8b013d12e.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1308

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/652-7-0x000007FEF7180000-0x000007FEF73FA000-memory.dmp

Filesize
2.5MB

Download
memory/1308-2-0x0000000000000000-mapping.dmp

Download
memory/1308-3-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/1308-4-0x00000000747C0000-0x00000000747F3000-memory.dmp

Filesize
204KB

Download
memory/1308-5-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/1308-6-0x00000000747C0000-0x00000000747DF000-memory.dmp

Filesize
124KB

Download

Analysis

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