dridex | 75696d0d13749306f8dbb5818e181ea2093e166189b480b3c58c4ceb8770d064

General

Target

05ea32a0200a33650498158c3af44702.dll
Size

236KB
MD5

05ea32a0200a33650498158c3af44702
SHA1

704e9cf59612ddba84fe680f198f2170625cfff4
SHA256

75696d0d13749306f8dbb5818e181ea2093e166189b480b3c58c4ceb8770d064
SHA512

1834d8ee27ce25bc306aa2b4ee89f963980fccf0498187fd427646872e1ab75c422f4aa7de2f98fd325da16c37730c66fcc08bcbd6872a3d40c31d9453b6337f

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

77.220.64.40:443

8.4.9.152:3786

185.246.87.202:3098

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/1436-4-0x0000000074CD0000-0x0000000074D0D000-memory.dmp	dridex_ldr
behavioral1/memory/1436-6-0x0000000074CD0000-0x0000000074CEF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1436 rundll32.exe
7 1436 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
4	1436	rundll32.exe
7	1436	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 1652 wrote to memory of 1436	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 1436	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 1436	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 1436	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 1436	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 1436	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 1436	1652	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05ea32a0200a33650498158c3af44702.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05ea32a0200a33650498158c3af44702.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1436

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/1436-2-0x0000000000000000-mapping.dmp

Download
memory/1436-3-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download
memory/1436-4-0x0000000074CD0000-0x0000000074D0D000-memory.dmp

Filesize
244KB

Download
memory/1436-5-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1436-6-0x0000000074CD0000-0x0000000074CEF000-memory.dmp

Filesize
124KB

Download
memory/1616-7-0x000007FEF7800000-0x000007FEF7A7A000-memory.dmp

Filesize
2.5MB

Download

Analysis

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