asyncrat | d71cdeb52c0e74f3b4c96e4b5dbe70af00814283985036d62b43de0950d77b22

General

Target

FedEx_Label_202218201.exe
Size

28KB
MD5

9fa348df801f0d2cebb02378b3546f6e
SHA1

03a5c5344ad4c92366cb086ad78bb7f4fe4f7a17
SHA256

d71cdeb52c0e74f3b4c96e4b5dbe70af00814283985036d62b43de0950d77b22
SHA512

b48e919554920a4f441401b8f453a09eebf10fced670e1e35d01433a2edb990815894250cab3773104ca05064183be3779d4f6acac3040f5955a05a760476ae7
SSDEEP

384:1iAAKDVj/yf2BGuegE3YCoLY40E6vDOT5kYgH5Oj8A5PPPPPPPPPPPPPPPQPPPPV:0AAGo2eg+YCc/6m5k75RPhNf2

Score

10^/10

asyncrat persistence rat

Malware Config

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

FedEx_Label_202218201.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hzezmdk = "\"C:\\Users\\Admin\\AppData\\Roaming\\Pnitzny\\Hzezmdk.exe\""	FedEx_Label_202218201.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

FedEx_Label_202218201.exe

description pid process target process

PID 812 set thread context of 1956 812 FedEx_Label_202218201.exe FedEx_Label_202218201.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 812 set thread context of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

FedEx_Label_202218201.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	FedEx_Label_202218201.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	FedEx_Label_202218201.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	FedEx_Label_202218201.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exepowershell.exeFedEx_Label_202218201.exe

pid process

1988 powershell.exe
588 powershell.exe
812 FedEx_Label_202218201.exe

pid	process
1988	powershell.exe
588	powershell.exe
812	FedEx_Label_202218201.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

FedEx_Label_202218201.exepowershell.exepowershell.exeFedEx_Label_202218201.exe

description	pid	process
Token: SeDebugPrivilege	812	FedEx_Label_202218201.exe
Token: SeDebugPrivilege	1988	powershell.exe
Token: SeDebugPrivilege	588	powershell.exe
Token: SeDebugPrivilege	1956	FedEx_Label_202218201.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

FedEx_Label_202218201.exe

description	pid	process	target process
PID 812 wrote to memory of 1988	812	FedEx_Label_202218201.exe	powershell.exe
PID 812 wrote to memory of 1988	812	FedEx_Label_202218201.exe	powershell.exe
PID 812 wrote to memory of 1988	812	FedEx_Label_202218201.exe	powershell.exe
PID 812 wrote to memory of 1988	812	FedEx_Label_202218201.exe	powershell.exe
PID 812 wrote to memory of 588	812	FedEx_Label_202218201.exe	powershell.exe
PID 812 wrote to memory of 588	812	FedEx_Label_202218201.exe	powershell.exe
PID 812 wrote to memory of 588	812	FedEx_Label_202218201.exe	powershell.exe
PID 812 wrote to memory of 588	812	FedEx_Label_202218201.exe	powershell.exe
PID 812 wrote to memory of 1604	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1604	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1604	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1604	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe
PID 812 wrote to memory of 1956	812	FedEx_Label_202218201.exe	FedEx_Label_202218201.exe

C:\Users\Admin\AppData\Local\Temp\FedEx_Label_202218201.exe
"C:\Users\Admin\AppData\Local\Temp\FedEx_Label_202218201.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:812

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1988

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwADsAIABTAGUAdAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAJwBDADoAXAAnAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:588

C:\Users\Admin\AppData\Local\Temp\FedEx_Label_202218201.exe
C:\Users\Admin\AppData\Local\Temp\FedEx_Label_202218201.exe
2⤵
PID:1604

C:\Users\Admin\AppData\Local\Temp\FedEx_Label_202218201.exe
C:\Users\Admin\AppData\Local\Temp\FedEx_Label_202218201.exe
2⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:1956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
60KB

MD5
d15aaa7c9be910a9898260767e2490e1

SHA1
2090c53f8d9fc3fbdbafd3a1e4dc25520eb74388

SHA256
f8ebaaf487cba0c81a17c8cd680bdd2dd8e90d2114ecc54844cffc0cc647848e

SHA512
7e1c1a683914b961b5cc2fe5e4ae288b60bab43bfaa21ce4972772aa0589615c19f57e672e1d93e50a7ed7b76fbd2f1b421089dcaed277120b93f8e91b18af94

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
342B

MD5
fc55df14c14df5e993d9ed7d3ed4723f

SHA1
68b9f7f9830dd0dc079094ebc20060455bc8f027

SHA256
9546972508258629fad3ea7850e41395e69a203f670476e7d2c4b0dbd7df93b3

SHA512
790058194d1b56645aeb7994dde7097a454e99f6ffe8dcec8a067549dd68effd66a9fdb6cc02e95564b412cf7ef93e07dcd3ea5a5778a4715eb2b1667542002b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
4e8bf0318ef3735165e862e88920414e

SHA1
4478998eb3faa2a8d49c240d2a2ef44c389ea5f3

SHA256
6cb83c3092087467755ca238797c1d71ed40a17c069ed828a7c74a88f3c7e60b

SHA512
336537308b94cabd0c768ea93e3da4dad7a83f07ad19b9ca3d4833107e876b968abffed5f5be975ded5defd21025acc9977aa99ac8b206d943ae4be4a9a2240e

Download Submit
memory/588-66-0x000000006ECF0000-0x000000006F29B000-memory.dmp

Filesize
5.7MB

Download
memory/588-67-0x000000006ECF0000-0x000000006F29B000-memory.dmp

Filesize
5.7MB

Download
memory/588-63-0x0000000000000000-mapping.dmp

Download
memory/812-55-0x0000000075131000-0x0000000075133000-memory.dmp

Filesize
8KB

Download
memory/812-56-0x00000000058C0000-0x0000000005974000-memory.dmp

Filesize
720KB

Download
memory/812-57-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/812-54-0x00000000008C0000-0x00000000008CC000-memory.dmp

Filesize
48KB

Download
memory/1956-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1956-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1956-69-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1956-71-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1956-73-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1956-74-0x00000000004290CE-mapping.dmp

Download
memory/1956-78-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1956-76-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1988-62-0x000000006EFA0000-0x000000006F54B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-61-0x000000006EFA0000-0x000000006F54B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-60-0x000000006EFA0000-0x000000006F54B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads