dridex | d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd

General

Target

d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd.dll
Size

196KB
MD5

6a439e8aafc885710ef56067e006ff79
SHA1

8e6f9c50791386b70fce6a03c9241dbeafd6db3d
SHA256

d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd
SHA512

13df46b568fa979e8daa297c3e41023bf66a1c585bcbeb17786b9ee176f3472fbcbfc5a77620bb19898b9bc34db771ecc3c3a33c77c9e218065584dea5bf76d4

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/1092-4-0x00000000752E0000-0x0000000075313000-memory.dmp	dridex_ldr
behavioral1/memory/1092-6-0x00000000752E0000-0x00000000752FF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1092 rundll32.exe
7 1092 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	1092	rundll32.exe
7	1092	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 1724 wrote to memory of 1092	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1092	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1092	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1092	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1092	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1092	1724	rundll32.exe	rundll32.exe
PID 1724 wrote to memory of 1092	1724	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1092

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/1092-2-0x0000000000000000-mapping.dmp

Download
memory/1092-3-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/1092-4-0x00000000752E0000-0x0000000075313000-memory.dmp

Filesize
204KB

Download
memory/1092-5-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/1092-6-0x00000000752E0000-0x00000000752FF000-memory.dmp

Filesize
124KB

Download
memory/1184-7-0x000007FEF7D90000-0x000007FEF800A000-memory.dmp

Filesize
2.5MB

Download

Analysis

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