571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f

Analysis

max time kernel
149s
max time network
129s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 20:33

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General

Target

571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe
Size

13.6MB
MD5

3bd7553f43d16159e1f141fe43e07194
SHA1

77b0a0aa7fc002058c57c6def8b54526bb7135e3
SHA256

571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f
SHA512

21f8d3d8b89ba1bfb6124a1a7db1d6076cbf45534c8c229695a0ab5f8aed479162551c70a5a1407faf2a171689c94e1097e78ba995025a800c584e93a1d35076
SSDEEP

196608:MyC9ThUidFm43C3H9qCWWM2wUWuzUCUQezSztm/s8uzJMeM25B2N15eVB77ffhEC:MyC9lU8NCX9BWwWcUbe2CIDIvffSR2b

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.

Processes:

resource yara_rule

\Users\Admin\AppData\Roaming\Downloader\libcurl.dll acprotect
\Users\Admin\AppData\Roaming\Downloader\ExuiKrnln.dll acprotect
Executes dropped EXE 1 IoCs

Processes:

aria2c.exe

pid process

2512 aria2c.exe

resource	yara_rule
\Users\Admin\AppData\Roaming\Downloader\libcurl.dll	acprotect
\Users\Admin\AppData\Roaming\Downloader\ExuiKrnln.dll	acprotect

pid	process
2512	aria2c.exe

Loads dropped DLL 4 IoCs

Processes:

571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe

pid	process
2448	571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe
2448	571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe
2568
2448	571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe

UPX packed file 18 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2448-17-0x00000000746E0000-0x000000007489F000-memory.dmp	upx
behavioral1/memory/2448-5-0x0000000003600000-0x00000000036BE000-memory.dmp	upx
behavioral1/memory/2448-4-0x0000000000400000-0x0000000001A41000-memory.dmp	upx
\Users\Admin\AppData\Roaming\Downloader\libcurl.dll	upx
C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe	upx
behavioral1/memory/2512-29-0x0000000000400000-0x00000000008D2000-memory.dmp	upx
\Users\Admin\AppData\Roaming\Downloader\ExuiKrnln.dll	upx
behavioral1/memory/2448-33-0x0000000073F50000-0x0000000074075000-memory.dmp	upx
behavioral1/memory/2448-40-0x0000000073F50000-0x0000000074075000-memory.dmp	upx
behavioral1/memory/2448-39-0x00000000746E0000-0x000000007489F000-memory.dmp	upx
behavioral1/memory/2448-38-0x0000000000400000-0x0000000001A41000-memory.dmp	upx
behavioral1/memory/2512-41-0x0000000000400000-0x00000000008D2000-memory.dmp	upx
behavioral1/memory/2448-51-0x00000000746E0000-0x000000007489F000-memory.dmp	upx
behavioral1/memory/2448-52-0x0000000073F50000-0x0000000074075000-memory.dmp	upx
behavioral1/memory/2448-71-0x00000000746E0000-0x000000007489F000-memory.dmp	upx
behavioral1/memory/2448-80-0x0000000073F50000-0x0000000074075000-memory.dmp	upx
behavioral1/memory/2448-91-0x00000000746E0000-0x000000007489F000-memory.dmp	upx
behavioral1/memory/2448-95-0x00000000746E0000-0x000000007489F000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe

pid process

2448 571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe

description pid process

Token: SeDebugPrivilege 2448 571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe

pid process

2448 571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe
2448 571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe

description	pid	process
Token: SeDebugPrivilege	2448	571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe

description	pid	process	target process
PID 2448 wrote to memory of 2512	2448	571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe	aria2c.exe
PID 2448 wrote to memory of 2512	2448	571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe	aria2c.exe
PID 2448 wrote to memory of 2512	2448	571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe	aria2c.exe
PID 2448 wrote to memory of 2512	2448	571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe	aria2c.exe

C:\Users\Admin\AppData\Local\Temp\571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe
"C:\Users\Admin\AppData\Local\Temp\571534c76fa71bb4da25546b392832d51560eb3f169f1e8bc957295269c3b47f.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2448

C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe
"C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe" --conf-path="C:\Users\Admin\AppData\Roaming\Downloader\aria2.conf" #--save-session="C:\Users\Admin\AppData\Roaming\Downloader\aria2.session" --input-file="C:\Users\Admin\AppData\Roaming\Downloader\aria2.session" --rpc-listen-port=6288 --listen-port=6388 --dht-listen-port=6390 --enable-rpc=true --rpc-allow-origin-all=true --disable-ipv6=false --rpc-secret=123 --enable-dht=true --enable-dht6=true --dht-file-path="C:\Users\Admin\AppData\Roaming\Downloader\dht.dat" --dht-file-path6="C:\Users\Admin\AppData\Roaming\Downloader\dht6.dat" --bt-external-ip= --stop-with-process=2448
2⤵
- Executes dropped EXE
PID:2512

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Downloader\aria2.conf
Filesize
55KB

MD5
4a1b71ede6ff12456038f6a26e356a42

SHA1
16af6552ebbeb0300d1451715add745e840ff993

SHA256
0ee9c9e686a595f86d25854bca6e92e8bfd51437a28306b4eaebf736156cc7ee

SHA512
bea15214c76083c86f4104e569bb93ba7000e4e555382b6cc97e0c9bdb6b4de72f50b8458d4c3420e073edefe4f40b7eea580000001d089fd5c78e303fbd8501

Download Submit
C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe
Filesize
1.7MB

MD5
46d80f2e9618c8f1312e1d338f4218bc

SHA1
0eead18c40992324f5475d346317842352951e89

SHA256
0e895dc2044d74547d0a255a0d9b88bc42c27a19825821b2e65d36bb9b7d4f23

SHA512
3c66a2383b6a02458e8a7dccd7bf6ef6efc6657453909ddf2feca75d27445d5a75c9f00f0dabb1f109dea0ff9cd19de342a7fb7a495fee8b8bc11d69d1c8d0fc

Download Submit
\Users\Admin\AppData\Roaming\Downloader\ExuiKrnln.dll
Filesize
391KB

MD5
4587e896480603dcd85a4956bb3609d7

SHA1
10e88bc0852939bc09bb24019f4dc310a2fd17ad

SHA256
70e5fdd3d67ec5f63b3796301d58200e8121d6b89cf072cde087ed18d0923483

SHA512
0a7649b12d416659a76815d8745590624bea0b4d754af39b71108fa9b186041a381e11136fa231bbd43ac6df1d8705e377bac391c6954c22228cece7a2bb323b

Download Submit
\Users\Admin\AppData\Roaming\Downloader\libcurl.dll
Filesize
759KB

MD5
b8d07f6ebe3d5473fa6e5c4aa3670bd6

SHA1
0300e9767e9ebe8f7ba88beea16e08c51549ea86

SHA256
927b9c233435dcde129586d0be8351c165adbc2d35bfb63d9b557abe8dc10703

SHA512
866a67e890456fd7b94d3d55b293a124053c75a56c7ef3d646329ec8ab300c365b319ab09daad81644a13a17803a663a426e0a4b78761082ae0b6ab590886efd

Download Submit
memory/2448-9-0x00000000750D4000-0x00000000750D5000-memory.dmp

Filesize
4KB

Download
memory/2448-40-0x0000000073F50000-0x0000000074075000-memory.dmp

Filesize
1.1MB

Download
memory/2448-11-0x00000000750C0000-0x00000000751D0000-memory.dmp

Filesize
1.1MB

Download
memory/2448-10-0x00000000750C0000-0x00000000751D0000-memory.dmp

Filesize
1.1MB

Download
memory/2448-17-0x00000000746E0000-0x000000007489F000-memory.dmp

Filesize
1.7MB

Download
memory/2448-8-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2448-5-0x0000000003600000-0x00000000036BE000-memory.dmp

Filesize
760KB

Download
memory/2448-4-0x0000000000400000-0x0000000001A41000-memory.dmp

Filesize
22.3MB

Download
memory/2448-13-0x00000000750C0000-0x00000000751D0000-memory.dmp

Filesize
1.1MB

Download
memory/2448-14-0x00000000750C0000-0x00000000751D0000-memory.dmp

Filesize
1.1MB

Download
memory/2448-27-0x0000000005780000-0x0000000005C52000-memory.dmp

Filesize
4.8MB

Download
memory/2448-95-0x00000000746E0000-0x000000007489F000-memory.dmp

Filesize
1.7MB

Download
memory/2448-15-0x00000000750C0000-0x00000000751D0000-memory.dmp

Filesize
1.1MB

Download
memory/2448-16-0x00000000750C0000-0x00000000751D0000-memory.dmp

Filesize
1.1MB

Download
memory/2448-33-0x0000000073F50000-0x0000000074075000-memory.dmp

Filesize
1.1MB

Download
memory/2448-12-0x00000000750C0000-0x00000000751D0000-memory.dmp

Filesize
1.1MB

Download
memory/2448-39-0x00000000746E0000-0x000000007489F000-memory.dmp

Filesize
1.7MB

Download
memory/2448-38-0x0000000000400000-0x0000000001A41000-memory.dmp

Filesize
22.3MB

Download
memory/2448-91-0x00000000746E0000-0x000000007489F000-memory.dmp

Filesize
1.7MB

Download
memory/2448-42-0x00000000750C0000-0x00000000751D0000-memory.dmp

Filesize
1.1MB

Download
memory/2448-44-0x00000000750C0000-0x00000000751D0000-memory.dmp

Filesize
1.1MB

Download
memory/2448-43-0x00000000750D4000-0x00000000750D5000-memory.dmp

Filesize
4KB

Download
memory/2448-49-0x0000000005780000-0x0000000005C52000-memory.dmp

Filesize
4.8MB

Download
memory/2448-51-0x00000000746E0000-0x000000007489F000-memory.dmp

Filesize
1.7MB

Download
memory/2448-52-0x0000000073F50000-0x0000000074075000-memory.dmp

Filesize
1.1MB

Download
memory/2448-71-0x00000000746E0000-0x000000007489F000-memory.dmp

Filesize
1.7MB

Download
memory/2448-80-0x0000000073F50000-0x0000000074075000-memory.dmp

Filesize
1.1MB

Download
memory/2512-41-0x0000000000400000-0x00000000008D2000-memory.dmp

Filesize
4.8MB

Download
memory/2512-29-0x0000000000400000-0x00000000008D2000-memory.dmp

Filesize
4.8MB

Download