dridex | 22ace8e62742ddca85fdb3f58ef0bf5e13b8a4b41b73be252db6b8e4091baec7

General

Target

22ace8e62742ddca85fdb3f58ef0bf5e13b8a4b41b73be252db6b8e4091baec7.dll
Size

188KB
MD5

b82c7cc0f6f2dbb5f6f0c17a93a4935c
SHA1

b33aa86152c301bf1edcaf51e09139c6e0a545f5
SHA256

22ace8e62742ddca85fdb3f58ef0bf5e13b8a4b41b73be252db6b8e4091baec7
SHA512

85d86a73826646445f675ecd4b84c5e282ebe65e9525fe3ddb46f6a66fd792b2e97f9bc1dcc0b4bd9063ef18220e8ad0e0150636113804716f6198f0ab9d17d9

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

209.151.236.42:443

91.121.94.86:8172

5.189.144.136:6516

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/1468-5-0x00000000752B0000-0x00000000752E1000-memory.dmp	dridex_ldr
behavioral1/memory/1468-7-0x00000000752B0000-0x00000000752CF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

8 1468 rundll32.exe
10 1468 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
8	1468	rundll32.exe
10	1468	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 1076 wrote to memory of 1468	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1468	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1468	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1468	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1468	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1468	1076	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 1468	1076	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\22ace8e62742ddca85fdb3f58ef0bf5e13b8a4b41b73be252db6b8e4091baec7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\22ace8e62742ddca85fdb3f58ef0bf5e13b8a4b41b73be252db6b8e4091baec7.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1468

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/1468-2-0x0000000000000000-mapping.dmp

Download
memory/1468-3-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1468-4-0x0000000074F40000-0x00000000750E3000-memory.dmp

Filesize
1.6MB

Download
memory/1468-5-0x00000000752B0000-0x00000000752E1000-memory.dmp

Filesize
196KB

Download
memory/1468-6-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1468-7-0x00000000752B0000-0x00000000752CF000-memory.dmp

Filesize
124KB

Download
memory/1676-8-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmp

Filesize
2.5MB

Download

Analysis

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