6704a6783c48190a0339b9ce1e3970f1a2b6534e291d1f2cc0da882ff5107337

Analysis

max time kernel
146s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 14:27

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General

Target

6704a6783c48190a0339b9ce1e3970f1a2b6534e291d1f2cc0da882ff5107337.exe
Size

88KB
MD5

69b3836af8283efae2c26218e05451fb
SHA1

20aec039d5c587105a45d1b6963cbe680becc9fe
SHA256

6704a6783c48190a0339b9ce1e3970f1a2b6534e291d1f2cc0da882ff5107337
SHA512

eae01a8424c61b5b920cee63cae625e41a1365767c7dd27fb2a0be378f3618ba69f54af43bbadf8d1cf98eea617a4bd114743d295633b413ec3f7fef1b1250f9
SSDEEP

1536:CH1JTTU8QY1JpqhDcEfJEXuXS/ZMd0s63eC7wLf79ymBtUj/z/+QoeulWXW3IRXM:CvTTzQ1hDcExEiS/Za05Xc9yjjL/kN+y

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
25	4328	rundll32.exe
28	4328	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
4816	rundll32.exe
4328	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Udasagoxutuxunak = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Wilcolg.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 4816	2412	6704a6783c48190a0339b9ce1e3970f1a2b6534e291d1f2cc0da882ff5107337.exe	81
PID 2412 wrote to memory of 4816	2412	6704a6783c48190a0339b9ce1e3970f1a2b6534e291d1f2cc0da882ff5107337.exe	81
PID 2412 wrote to memory of 4816	2412	6704a6783c48190a0339b9ce1e3970f1a2b6534e291d1f2cc0da882ff5107337.exe	81
PID 4816 wrote to memory of 4328	4816	rundll32.exe	83
PID 4816 wrote to memory of 4328	4816	rundll32.exe	83
PID 4816 wrote to memory of 4328	4816	rundll32.exe	83

C:\Users\Admin\AppData\Local\Temp\6704a6783c48190a0339b9ce1e3970f1a2b6534e291d1f2cc0da882ff5107337.exe
"C:\Users\Admin\AppData\Local\Temp\6704a6783c48190a0339b9ce1e3970f1a2b6534e291d1f2cc0da882ff5107337.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Wilcolg.dll",Startup
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4816
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Wilcolg.dll",iep
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    PID:4328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Wilcolg.dll

Filesize
88KB

MD5
9efbddadd7ebb08e568a60aa6dc410df

SHA1
a17a9d88d48785fd6dedd895a0a845dec5b00560

SHA256
d08575eefd9ed06b4244f5e1b0e0b9fed300178ad32b0893121cdf89d9e9e3d1

SHA512
851ea28b0228695bf56193b3ba7274c7ceaf459c5b107f3529fea4e8c1e953772115925709e740d686d579c72e472ce677a81aba4a6bca70eb61162a339a0f95

Download Submit
C:\Users\Admin\AppData\Local\Wilcolg.dll

Filesize
88KB

MD5
9efbddadd7ebb08e568a60aa6dc410df

SHA1
a17a9d88d48785fd6dedd895a0a845dec5b00560

SHA256
d08575eefd9ed06b4244f5e1b0e0b9fed300178ad32b0893121cdf89d9e9e3d1

SHA512
851ea28b0228695bf56193b3ba7274c7ceaf459c5b107f3529fea4e8c1e953772115925709e740d686d579c72e472ce677a81aba4a6bca70eb61162a339a0f95

Download Submit
C:\Users\Admin\AppData\Local\Wilcolg.dll

Filesize
88KB

MD5
9efbddadd7ebb08e568a60aa6dc410df

SHA1
a17a9d88d48785fd6dedd895a0a845dec5b00560

SHA256
d08575eefd9ed06b4244f5e1b0e0b9fed300178ad32b0893121cdf89d9e9e3d1

SHA512
851ea28b0228695bf56193b3ba7274c7ceaf459c5b107f3529fea4e8c1e953772115925709e740d686d579c72e472ce677a81aba4a6bca70eb61162a339a0f95

Download Submit
memory/2412-132-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/2412-133-0x00000000005F1000-0x00000000005FF000-memory.dmp

Filesize
56KB

Download
memory/4328-142-0x0000000002A11000-0x0000000002A1F000-memory.dmp

Filesize
56KB

Download
memory/4816-137-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/4816-138-0x0000000002D91000-0x0000000002D9F000-memory.dmp

Filesize
56KB

Download