dridex | a095a17954dbbb6fc024c83f689abfe069745b1c006463524263f091a31a0f6a

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-05-2024 17:28

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General

Target

wiui4d6ph.zip.dll
Size

664KB
MD5

53e58e3a8798fd076d02adc2ce902bbb
SHA1

19a3ae4067f3272dd83a2363856d46790233dca4
SHA256

a095a17954dbbb6fc024c83f689abfe069745b1c006463524263f091a31a0f6a
SHA512

cf0b3e04347530c01fb6bc85b1eafd7cd7442abd8fc8d47ca4a40f8746842cc9a5ee508a0c5faa4e2c2834d9c33f164473e8fc98241cfd0a9ad8be0cbab1e018
SSDEEP

12288:d/0Qzqf0e5i48JM+6TFKywVt6PbEYU0eyJTT/Mu9oV01u1oaEP:t0zh56n6TFKywvCbEOxDMu9oyPaEP

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

55 4436 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
55	4436	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3604 wrote to memory of 4436	3604	rundll32.exe	rundll32.exe
PID 3604 wrote to memory of 4436	3604	rundll32.exe	rundll32.exe
PID 3604 wrote to memory of 4436	3604	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wiui4d6ph.zip.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wiui4d6ph.zip.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4436

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:3008

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4436-1-0x00000000029D0000-0x0000000002B0C000-memory.dmp

Filesize
1.2MB

Download
memory/4436-2-0x00000000029D0000-0x0000000002B0C000-memory.dmp

Filesize
1.2MB

Download
memory/4436-6-0x00000000029D0000-0x0000000002B0C000-memory.dmp

Filesize
1.2MB

Download
memory/4436-5-0x0000000002A72000-0x0000000002A78000-memory.dmp

Filesize
24KB

Download
memory/4436-7-0x00000000029D0000-0x0000000002B0C000-memory.dmp

Filesize
1.2MB

Download