dridex | e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345

General

Target

e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345.dll
Size

196KB
MD5

fdfcdabf23aedbcb3644591dae793e2a
SHA1

c5423fd629b1e71ae422c1728ba8e219d24834d0
SHA256

e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345
SHA512

8c0d407cc0f4bd759a67aa87ad2cb6f59002feddbed27fad62d786089d00fa54330dd7722b2803d23e6cce0090879c0d3683fb59b01069769b9e4c9757eb0d00

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/1904-4-0x0000000075380000-0x00000000753B3000-memory.dmp	dridex_ldr
behavioral1/memory/1904-6-0x0000000075380000-0x000000007539F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

6 1904 rundll32.exe
8 1904 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
6	1904	rundll32.exe
8	1904	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 528 wrote to memory of 1904	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 1904	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 1904	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 1904	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 1904	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 1904	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 1904	528	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e73a08445aab30826115a281da60fa0a5a4f7a7726799897b3e032a46c584345.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1904

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/804-7-0x000007FEF7D40000-0x000007FEF7FBA000-memory.dmp

Filesize
2.5MB

Download
memory/1904-2-0x0000000000000000-mapping.dmp

Download
memory/1904-3-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1904-4-0x0000000075380000-0x00000000753B3000-memory.dmp

Filesize
204KB

Download
memory/1904-5-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1904-6-0x0000000075380000-0x000000007539F000-memory.dmp

Filesize
124KB

Download

Analysis

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