asyncrat | 7d4cc059fd82b52011b02ba850ddf0ac14c06826bde03a13c68ddf3a5531a242

Resubmissions

08-10-2022 15:38

221008-s23p1sehf8 10

Analysis

max time kernel
102s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2022 15:38

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General

Target

ManyCam 8 Multilingual/ManyCam 8 Multilingual/ManyCam 8 Multilingual/Crack_Patch/manycam 8-MPT.exe
Size

557KB
MD5

948df9371c1dd0928496cafb9da6d9b4
SHA1

5725d22fc6dc187c39aad31febabb41771ce4b83
SHA256

f9ab094a0d2b47684d8bbc5a430c111ab3aa18e7aa3d2a70f7157829808322e4
SHA512

fb8aebde61d299463122bff606ad578d07a952b106979bc824cc3e9fdff806338e1db8c82aabdd3c27c3baf517acec7dfb64e2f6eef03dca46cf0668b061ef8a
SSDEEP

12288:96Wq4aaE6KwyF5L0Y2D1PqLXLvjZhsbooEuo9wgng3wnePR/:rthEVaPqLXLvjZWFEPwbXPR/

Score

10^/10

asyncrat default rat upx

Malware Config

Extracted

Family

asyncrat

Version

0.5.6E

Botnet

Default

dilescemo.servegame.com:2222

Mutex

ywmtlgzamxo

Attributes

delay
1
install
true
install_file
windows.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 5 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\File2.exe	asyncrat
C:\Users\Admin\AppData\Local\Temp\File2.exe	asyncrat
behavioral8/memory/4880-140-0x0000000000620000-0x0000000000632000-memory.dmp	asyncrat
C:\Users\Admin\AppData\Roaming\windows.exe	asyncrat
C:\Users\Admin\AppData\Roaming\windows.exe	asyncrat

Executes dropped EXE 3 IoCs

Processes:

File1.exeFile2.exewindows.exe

pid process

4772 File1.exe
4880 File2.exe
3988 windows.exe

pid	process
4772	File1.exe
4880	File2.exe
3988	windows.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral8/memory/3208-132-0x0000000000400000-0x00000000004C4000-memory.dmp	upx
behavioral8/memory/3208-141-0x0000000000400000-0x00000000004C4000-memory.dmp	upx

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

manycam 8-MPT.exeFile2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	manycam 8-MPT.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	File2.exe

Loads dropped DLL 2 IoCs

Processes:

File1.exe

pid process

4772 File1.exe
4772 File1.exe

pid	process
4772	File1.exe
4772	File1.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral8/memory/3208-132-0x0000000000400000-0x00000000004C4000-memory.dmp	autoit_exe
behavioral8/memory/3208-141-0x0000000000400000-0x00000000004C4000-memory.dmp	autoit_exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3824 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3640 timeout.exe

pid	process
3824	schtasks.exe

pid	process
3640	timeout.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

File2.exe

pid	process
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe
4880	File2.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

AUDIODG.EXEFile2.exewindows.exe

description	pid	process
Token: 33	4076	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4076	AUDIODG.EXE
Token: SeDebugPrivilege	4880	File2.exe
Token: SeDebugPrivilege	3988	windows.exe

Suspicious use of FindShellTrayWindow 15 IoCs

Processes:

manycam 8-MPT.exe

pid	process
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe

Suspicious use of SendNotifyMessage 15 IoCs

Processes:

manycam 8-MPT.exe

pid	process
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe
3208	manycam 8-MPT.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

manycam 8-MPT.exeFile2.execmd.execmd.exe

description	pid	process	target process
PID 3208 wrote to memory of 4772	3208	manycam 8-MPT.exe	File1.exe
PID 3208 wrote to memory of 4772	3208	manycam 8-MPT.exe	File1.exe
PID 3208 wrote to memory of 4772	3208	manycam 8-MPT.exe	File1.exe
PID 3208 wrote to memory of 4880	3208	manycam 8-MPT.exe	File2.exe
PID 3208 wrote to memory of 4880	3208	manycam 8-MPT.exe	File2.exe
PID 4880 wrote to memory of 1748	4880	File2.exe	cmd.exe
PID 4880 wrote to memory of 1748	4880	File2.exe	cmd.exe
PID 4880 wrote to memory of 1920	4880	File2.exe	cmd.exe
PID 4880 wrote to memory of 1920	4880	File2.exe	cmd.exe
PID 1748 wrote to memory of 3824	1748	cmd.exe	schtasks.exe
PID 1748 wrote to memory of 3824	1748	cmd.exe	schtasks.exe
PID 1920 wrote to memory of 3640	1920	cmd.exe	timeout.exe
PID 1920 wrote to memory of 3640	1920	cmd.exe	timeout.exe
PID 1920 wrote to memory of 3988	1920	cmd.exe	windows.exe
PID 1920 wrote to memory of 3988	1920	cmd.exe	windows.exe

C:\Users\Admin\AppData\Local\Temp\ManyCam 8 Multilingual\ManyCam 8 Multilingual\ManyCam 8 Multilingual\Crack_Patch\manycam 8-MPT.exe
"C:\Users\Admin\AppData\Local\Temp\ManyCam 8 Multilingual\ManyCam 8 Multilingual\ManyCam 8 Multilingual\Crack_Patch\manycam 8-MPT.exe"
1⤵
- Checks computer location settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3208

C:\Users\Admin\AppData\Local\Temp\File1.exe
"C:\Users\Admin\AppData\Local\Temp\File1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4772

C:\Users\Admin\AppData\Local\Temp\File2.exe
"C:\Users\Admin\AppData\Local\Temp\File2.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn File2 /tr '"C:\Users\Admin\AppData\Roaming\windows.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn File2 /tr '"C:\Users\Admin\AppData\Roaming\windows.exe"'
4⤵
- Creates scheduled task(s)
PID:3824

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDBCE.tmp.bat""
3⤵
- Suspicious use of WriteProcessMemory
PID:1920

C:\Windows\system32\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:3640

C:\Users\Admin\AppData\Roaming\windows.exe
"C:\Users\Admin\AppData\Roaming\windows.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3988

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2f4 0x2ec
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4076

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\File1.exe
Filesize
229KB

MD5
99bc00543dd33142549458775fc146a8

SHA1
757f6569d16699fdb1f1597d6bac245fe2f88d27

SHA256
3bacbaf79d434a128d3a32792ab8f87aaa4854dacb89f475d4dec0f3addbd33c

SHA512
d77214c376d719217cdf830e4bc41251181750f330e9aa0b9d4ddb2e61959068780e8a2aa1c216f5217954436561bb643112bbf7a3dd269c07257ce8e7d0d8e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\File1.exe
Filesize
229KB

MD5
99bc00543dd33142549458775fc146a8

SHA1
757f6569d16699fdb1f1597d6bac245fe2f88d27

SHA256
3bacbaf79d434a128d3a32792ab8f87aaa4854dacb89f475d4dec0f3addbd33c

SHA512
d77214c376d719217cdf830e4bc41251181750f330e9aa0b9d4ddb2e61959068780e8a2aa1c216f5217954436561bb643112bbf7a3dd269c07257ce8e7d0d8e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\File2.exe
Filesize
47KB

MD5
5a4203bfe138541a159e87919e6b9850

SHA1
15945294b819105a008b763c16414d245fb130ce

SHA256
ebbb96e7bee4784af56950ca01fcfa65777a5297294bc91c67c2446aae1a2d5a

SHA512
53dcd6c8b6dafe2a193574413520f4f02af97ff119e99c448a111b0be544b2cd3af1b23bf954e043ed6cf3eb55f19310d9499b17863f0457a71afd7ac00e8c7f

Download Submit
C:\Users\Admin\AppData\Local\Temp\File2.exe
Filesize
47KB

MD5
5a4203bfe138541a159e87919e6b9850

SHA1
15945294b819105a008b763c16414d245fb130ce

SHA256
ebbb96e7bee4784af56950ca01fcfa65777a5297294bc91c67c2446aae1a2d5a

SHA512
53dcd6c8b6dafe2a193574413520f4f02af97ff119e99c448a111b0be544b2cd3af1b23bf954e043ed6cf3eb55f19310d9499b17863f0457a71afd7ac00e8c7f

Download Submit
C:\Users\Admin\AppData\Local\Temp\bassmod.dll
Filesize
33KB

MD5
e4ec57e8508c5c4040383ebe6d367928

SHA1
b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06

SHA256
8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f

SHA512
77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822

Download Submit
C:\Users\Admin\AppData\Local\Temp\dup2patcher.dll
Filesize
195KB

MD5
0f6a9bbbff53c8c215d1f0ce566b0f5e

SHA1
28906d516edf25fb58b6cc755725fde4504ab5b8

SHA256
380c0e3953de8cd1ce3793930821b85e02e40cfb13be3e1b57a44782f877dbdf

SHA512
a3007152c7927bb57d0887df82966f02fce739f7ce168f7f61676795a0d133519a007f0d2d9e41a645670eafce4b66a1682417e7e4b73973d28187e85c84e255

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDBCE.tmp.bat
Filesize
151B

MD5
df8de135d61f0f1c6fea1e749f9e7bdd

SHA1
30ab33eee1cf2ea51240f48f56ce61aefe47f33f

SHA256
9e1b1f466adf20a2f297ad1139bf0c60d9a43c2b4fc3024468a409020074cd6b

SHA512
bdeb65b1ca9b49ff896fac1a2eda7956225a96521aeb43c259d0e816e1e79ad5faa35e3b1ed4025762b52456656afa3c840ca86c8c146a63bd0255886bc19ed1

Download Submit
C:\Users\Admin\AppData\Roaming\windows.exe
Filesize
47KB

MD5
5a4203bfe138541a159e87919e6b9850

SHA1
15945294b819105a008b763c16414d245fb130ce

SHA256
ebbb96e7bee4784af56950ca01fcfa65777a5297294bc91c67c2446aae1a2d5a

SHA512
53dcd6c8b6dafe2a193574413520f4f02af97ff119e99c448a111b0be544b2cd3af1b23bf954e043ed6cf3eb55f19310d9499b17863f0457a71afd7ac00e8c7f

Download Submit
C:\Users\Admin\AppData\Roaming\windows.exe
Filesize
47KB

MD5
5a4203bfe138541a159e87919e6b9850

SHA1
15945294b819105a008b763c16414d245fb130ce

SHA256
ebbb96e7bee4784af56950ca01fcfa65777a5297294bc91c67c2446aae1a2d5a

SHA512
53dcd6c8b6dafe2a193574413520f4f02af97ff119e99c448a111b0be544b2cd3af1b23bf954e043ed6cf3eb55f19310d9499b17863f0457a71afd7ac00e8c7f

Download Submit
memory/1748-147-0x0000000000000000-mapping.dmp

Download
memory/1920-148-0x0000000000000000-mapping.dmp

Download
memory/3208-132-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/3208-141-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/3640-151-0x0000000000000000-mapping.dmp

Download
memory/3824-149-0x0000000000000000-mapping.dmp

Download
memory/3988-156-0x00007FFC17A80000-0x00007FFC18541000-memory.dmp

Filesize
10.8MB

Download
memory/3988-158-0x00007FFC17A80000-0x00007FFC18541000-memory.dmp

Filesize
10.8MB

Download
memory/3988-153-0x0000000000000000-mapping.dmp

Download
memory/4772-145-0x0000000074150000-0x00000000741E0000-memory.dmp

Filesize
576KB

Download
memory/4772-159-0x0000000074150000-0x00000000741E0000-memory.dmp

Filesize
576KB

Download
memory/4772-146-0x0000000000590000-0x0000000000593000-memory.dmp

Filesize
12KB

Download
memory/4772-143-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4772-157-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4772-133-0x0000000000000000-mapping.dmp

Download
memory/4880-136-0x0000000000000000-mapping.dmp

Download
memory/4880-140-0x0000000000620000-0x0000000000632000-memory.dmp

Filesize
72KB

Download
memory/4880-152-0x00007FFC17DD0000-0x00007FFC18891000-memory.dmp

Filesize
10.8MB

Download
memory/4880-144-0x00007FFC17DD0000-0x00007FFC18891000-memory.dmp

Filesize
10.8MB

Download