asyncrat | 59e4212b84a36744e19bf788f29ad35fec361b80bc92468f9b658346cf1532a6

Resubmissions

14-05-2024 10:41

240514-mrgf5scg23 10

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 10:41

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Report Analysis Logs

General

Target

369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe
Size

2.3MB
MD5

a717a432c558f56c46709d6d3ec9837f
SHA1

ceda052be2519383085089a41c422ce2b1400a46
SHA256

369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186
SHA512

e859810a198b8b946581ed6197b1154856e736687dd593d383dc952a3afd597ed6b5a631a8e6b2228a425b809b772457e6e10e0ca6f68cd8f0a8cc637a81132c
SSDEEP

49152:T+GJaXbo4IKA2WN4M63n4dHzCJYU6Mm4/4w2RAObR8XlZrzyiko:TboxWN4UHzCJYCmX5w1ZXyik

Score

10^/10

asyncrat zgrat default execution persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

5512.sytes.net:6606

5512.sytes.net:7707

5512.sytes.net:8808

95.211.208.153:6606

95.211.208.153:7707

95.211.208.153:8808

Mutex

Llg9a02PERRO

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

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4964-32-0x0000000005720000-0x0000000005940000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-51-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-62-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-78-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-96-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-102-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-100-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-98-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-94-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-92-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-90-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-86-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-85-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-82-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-88-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-80-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-76-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-74-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-70-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-68-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-66-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-64-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-72-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-60-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-58-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-55-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-53-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-49-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-47-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-45-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-44-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-41-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-40-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4964-38-0x0000000005720000-0x000000000593A000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe

Executes dropped EXE 2 IoCs

Processes:

Dfzxuwcml.exehd.sentinel.pro.4.x-5.x-patch.exe

pid process

4964 Dfzxuwcml.exe
3032 hd.sentinel.pro.4.x-5.x-patch.exe

pid	process
4964	Dfzxuwcml.exe
3032	hd.sentinel.pro.4.x-5.x-patch.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Dfzxuwcml.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Kpteiazy = "C:\\Users\\Admin\\AppData\\Roaming\\Kpteiazy.exe"	Dfzxuwcml.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Dfzxuwcml.exe

description pid process target process

PID 4964 set thread context of 4000 4964 Dfzxuwcml.exe AppLaunch.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

4208 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4208 powershell.exe
4208 powershell.exe

description	pid	process	target process
PID 4964 set thread context of 4000	4964	Dfzxuwcml.exe	AppLaunch.exe

pid	process
4208	powershell.exe

pid	process
4208	powershell.exe
4208	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exeDfzxuwcml.exeAppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	4208	powershell.exe
Token: SeDebugPrivilege	4964	Dfzxuwcml.exe
Token: SeDebugPrivilege	4964	Dfzxuwcml.exe
Token: SeDebugPrivilege	4000	AppLaunch.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exeDfzxuwcml.exe

description	pid	process	target process
PID 4360 wrote to memory of 4208	4360	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe	powershell.exe
PID 4360 wrote to memory of 4208	4360	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe	powershell.exe
PID 4360 wrote to memory of 4208	4360	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe	powershell.exe
PID 4360 wrote to memory of 4964	4360	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe	Dfzxuwcml.exe
PID 4360 wrote to memory of 4964	4360	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe	Dfzxuwcml.exe
PID 4360 wrote to memory of 4964	4360	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe	Dfzxuwcml.exe
PID 4360 wrote to memory of 3032	4360	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe	hd.sentinel.pro.4.x-5.x-patch.exe
PID 4360 wrote to memory of 3032	4360	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe	hd.sentinel.pro.4.x-5.x-patch.exe
PID 4360 wrote to memory of 3032	4360	369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe	hd.sentinel.pro.4.x-5.x-patch.exe
PID 4964 wrote to memory of 4000	4964	Dfzxuwcml.exe	AppLaunch.exe
PID 4964 wrote to memory of 4000	4964	Dfzxuwcml.exe	AppLaunch.exe
PID 4964 wrote to memory of 4000	4964	Dfzxuwcml.exe	AppLaunch.exe
PID 4964 wrote to memory of 4000	4964	Dfzxuwcml.exe	AppLaunch.exe
PID 4964 wrote to memory of 4000	4964	Dfzxuwcml.exe	AppLaunch.exe
PID 4964 wrote to memory of 4000	4964	Dfzxuwcml.exe	AppLaunch.exe
PID 4964 wrote to memory of 4000	4964	Dfzxuwcml.exe	AppLaunch.exe
PID 4964 wrote to memory of 4000	4964	Dfzxuwcml.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe
"C:\Users\Admin\AppData\Local\Temp\369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4360

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGYAZQBkACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGoAagBkACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHMAawBmACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGMAZwB4ACMAPgA="
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4208

C:\Users\Admin\AppData\Local\Dfzxuwcml.exe
"C:\Users\Admin\AppData\Local\Dfzxuwcml.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4000

C:\Users\Admin\AppData\Local\Temp\hd.sentinel.pro.4.x-5.x-patch.exe
"C:\Users\Admin\AppData\Local\Temp\hd.sentinel.pro.4.x-5.x-patch.exe"
2⤵
- Executes dropped EXE
PID:3032

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Dfzxuwcml.exe
Filesize
2.2MB

MD5
577b8f4cd65df6e3cd42d7d37c7917cf

SHA1
5033814e5aade04682bf7cb7fca3e32c46c5512a

SHA256
d4360ef0464f7620fe0e3d5185adcdc0781aacfe23510d2c6c2e85c1095c8948

SHA512
a42dab76abe41e53d7eee1ff3cec3092b26e1a05bdd6c91e8f12e35f6f14fc36df5ef918d0a2818d9f549db1e8ace169ff8ed3f441253a9a27b89c1ec816ff9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_igvqtn5p.adv.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\hd.sentinel.pro.4.x-5.x-patch.exe
Filesize
85KB

MD5
57824abbb9afe394c8a17a410e60c6fd

SHA1
cdb3fe63c22e7d93d4a47bdb966b09f1b478f19f

SHA256
becb4e1eaa4fbd915241f1138e2ed7b9833dc1cf66d6da25f9fac1a3e317c3ee

SHA512
8b4e82437d6a30e73b65d0abc41b68d8420454622efd43d8d874ecee7a9251f36555d4c35dd13f886250948df1b9606ee61d0bcb2c8abb748b316dadff539c3d

Download Submit
memory/4000-4968-0x0000000005A60000-0x0000000005AFC000-memory.dmp

Filesize
624KB

Download
memory/4000-4963-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4208-4953-0x0000000007480000-0x0000000007494000-memory.dmp

Filesize
80KB

Download
memory/4208-3457-0x00000000074C0000-0x0000000007556000-memory.dmp

Filesize
600KB

Download
memory/4208-31-0x0000000073A20000-0x00000000741D0000-memory.dmp

Filesize
7.7MB

Download
memory/4208-30-0x0000000073A20000-0x00000000741D0000-memory.dmp

Filesize
7.7MB

Download
memory/4208-4960-0x0000000073A20000-0x00000000741D0000-memory.dmp

Filesize
7.7MB

Download
memory/4208-4955-0x00000000074B0000-0x00000000074B8000-memory.dmp

Filesize
32KB

Download
memory/4208-4954-0x0000000007560000-0x000000000757A000-memory.dmp

Filesize
104KB

Download
memory/4208-35-0x0000000004E20000-0x0000000004E42000-memory.dmp

Filesize
136KB

Download
memory/4208-36-0x0000000004F40000-0x0000000004FA6000-memory.dmp

Filesize
408KB

Download
memory/4208-56-0x00000000056E0000-0x0000000005A34000-memory.dmp

Filesize
3.3MB

Download
memory/4208-4950-0x0000000007470000-0x000000000747E000-memory.dmp

Filesize
56KB

Download
memory/4208-3981-0x0000000007430000-0x0000000007441000-memory.dmp

Filesize
68KB

Download
memory/4208-28-0x0000000073A20000-0x00000000741D0000-memory.dmp

Filesize
7.7MB

Download
memory/4208-29-0x00000000050B0000-0x00000000056D8000-memory.dmp

Filesize
6.2MB

Download
memory/4208-27-0x0000000004960000-0x0000000004996000-memory.dmp

Filesize
216KB

Download
memory/4208-3083-0x0000000006180000-0x000000000618A000-memory.dmp

Filesize
40KB

Download
memory/4208-2409-0x0000000007850000-0x0000000007ECA000-memory.dmp

Filesize
6.5MB

Download
memory/4208-120-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

Filesize
120KB

Download
memory/4208-121-0x0000000005F20000-0x0000000005F6C000-memory.dmp

Filesize
304KB

Download
memory/4208-2410-0x0000000007210000-0x000000000722A000-memory.dmp

Filesize
104KB

Download
memory/4208-1740-0x00000000070E0000-0x0000000007183000-memory.dmp

Filesize
652KB

Download
memory/4208-1657-0x0000000006490000-0x00000000064AE000-memory.dmp

Filesize
120KB

Download
memory/4208-1635-0x00000000064B0000-0x00000000064E2000-memory.dmp

Filesize
200KB

Download
memory/4208-1636-0x0000000070130000-0x000000007017C000-memory.dmp

Filesize
304KB

Download
memory/4208-37-0x0000000005E10000-0x0000000005E76000-memory.dmp

Filesize
408KB

Download
memory/4964-96-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-82-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-76-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-74-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-70-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-68-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-66-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-64-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-72-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-60-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-58-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-55-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-88-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-53-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-49-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-47-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-45-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-44-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-41-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-40-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-38-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-80-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-85-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-86-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-90-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-92-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-94-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-98-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-100-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-102-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-78-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-4949-0x0000000073A20000-0x00000000741D0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-62-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-4951-0x0000000005AE0000-0x0000000005B3C000-memory.dmp

Filesize
368KB

Download
memory/4964-4952-0x0000000005B80000-0x0000000005BCC000-memory.dmp

Filesize
304KB

Download
memory/4964-51-0x0000000005720000-0x000000000593A000-memory.dmp

Filesize
2.1MB

Download
memory/4964-34-0x00000000059E0000-0x0000000005A72000-memory.dmp

Filesize
584KB

Download
memory/4964-33-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/4964-4956-0x00000000064A0000-0x00000000064F4000-memory.dmp

Filesize
336KB

Download
memory/4964-32-0x0000000005720000-0x0000000005940000-memory.dmp

Filesize
2.1MB

Download
memory/4964-26-0x0000000000BA0000-0x0000000000DD2000-memory.dmp

Filesize
2.2MB

Download
memory/4964-4964-0x0000000073A20000-0x00000000741D0000-memory.dmp

Filesize
7.7MB

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memory/4964-22-0x0000000073A2E000-0x0000000073A2F000-memory.dmp

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