asyncrat | 19317da5733e40de48774b836f81b6edd83a60976ef180b6e796928399cee1c3

General

Target

19317da5733e40de48774b836f81b6edd83a60976ef180b6e796928399cee1c3.ps1.jaffacakes118.ps1
Size

9.0MB
MD5

c867dbeca2907417d58f0bfb4de699d6
SHA1

fa942ea34e59c938d9c307a9c5054118b21fa699
SHA256

19317da5733e40de48774b836f81b6edd83a60976ef180b6e796928399cee1c3
SHA512

2658decfca16f085932c43ee6397cb449ab7ecf041d2c46630a5fdb3075c21eb9e5836ddb2e9018f4aac99f68ba9a1c3e19973da5c9ca58fc9bb2f7278b557e5
SSDEEP

24576:sEAjJLSsZ05S8PllqWR4Q4/YVwCxCpMt8JNim5irz5aRt5vQZUZMc7JS0Ccn3ban:W8RVkwoFZ0qQpynBV

Score

10^/10

asyncrat stealerium default collection rat stealer

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

91.92.252.234:3232

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 1596 created 3332 1596 powershell.exe Explorer.EXE

description	pid	process	target process
PID 1596 created 3332	1596	powershell.exe	Explorer.EXE

Async RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/964-20-0x000002E3106F0000-0x000002E310706000-memory.dmp	family_asyncrat
behavioral2/memory/964-24-0x000002E3108F0000-0x000002E310900000-memory.dmp	family_asyncrat

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

notepad.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	notepad.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	notepad.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	notepad.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

45 icanhazip.com
47 ip-api.com
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.

flow	ioc
45	icanhazip.com
47	ip-api.com

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

notepad.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	notepad.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	notepad.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

powershell.exenotepad.exe

pid	process
1596	powershell.exe
1596	powershell.exe
1596	powershell.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe
964	notepad.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs

Processes:

powershell.exe

pid process

1596 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exenotepad.exe

description pid process

Token: SeDebugPrivilege 1596 powershell.exe
Token: SeDebugPrivilege 964 notepad.exe

description	pid	process
Token: SeDebugPrivilege	1596	powershell.exe
Token: SeDebugPrivilege	964	notepad.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe
PID 1596 wrote to memory of 964	1596	powershell.exe	notepad.exe

outlook_office_path 1 IoCs

Processes:

notepad.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	notepad.exe

outlook_win_path 1 IoCs

Processes:

notepad.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	notepad.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3332

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\19317da5733e40de48774b836f81b6edd83a60976ef180b6e796928399cee1c3.ps1.jaffacakes118.ps1
2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\System32\notepad.exe
C:\Windows\System32\notepad.exe
2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:964

C:\Windows\System32\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
3⤵
PID:5048

C:\Windows\System32\chcp.com
chcp 65001
4⤵
PID:228

C:\Windows\System32\netsh.exe
netsh wlan show profile
4⤵
PID:768

C:\Windows\System32\findstr.exe
findstr All
4⤵
PID:320

C:\Windows\System32\cmd.exe
"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
3⤵
PID:804

C:\Windows\System32\chcp.com
chcp 65001
4⤵
PID:4440

C:\Windows\System32\netsh.exe
netsh wlan show networks mode=bssid
4⤵
PID:3676

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:2192

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\1be0f094029f23c1b391c1aef01b0888\Admin@OAILVCNY_en-US\Browsers\Mozilla\Firefox\Bookmarks.txt
Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\1be0f094029f23c1b391c1aef01b0888\Admin@OAILVCNY_en-US\System\Process.txt
Filesize
1KB

MD5
6ae44e20a24e06324c97280c0dda5664

SHA1
63414b5c778bd07021e696e0884317177782f118

SHA256
340df6842423e1f00143da7e6f51a6eccabb685c3616b53b373e1273f4fd66da

SHA512
56eebb4e6afe57b13ddc4d2dc4947806224ba38ac5deba0842ae426c54f502b8f6ec1f20ddd0755b3591850805a18656f0784b048dc3375bd061e1cfaf5a0455

Download Submit
C:\Users\Admin\AppData\Local\1be0f094029f23c1b391c1aef01b0888\Admin@OAILVCNY_en-US\System\Process.txt
Filesize
2KB

MD5
2392a42fe267e51e4efda3e5255d2447

SHA1
d05d5d44968774a916b8547f03cedc34aa854392

SHA256
c4980ce991c29c9cbcee9f42b5bc4e8b73307884da076c7ccd17f7617af550a8

SHA512
00172ca843c8a1f3800f7acf729ab4e7fc4fcba3689b3a8773e19ca9a4819e4268e0343908715dc93a7db54576b8f812059e92ac4d73292e96241b5556c11ce3

Download Submit
C:\Users\Admin\AppData\Local\1be0f094029f23c1b391c1aef01b0888\Admin@OAILVCNY_en-US\System\Process.txt
Filesize
3KB

MD5
4a63f584c9c28b7c741a3a763f663381

SHA1
385e1a4c96b21009f9cabfcf9f10f1088e4ebdff

SHA256
5890faf24abb99189318d83ba9997b53c022931bf27b839b3c429b80f8e647e0

SHA512
72cfffa538090a69bccb3babb6739ea28d761ab6907c658c88b6b2568147dcfe841fa192c57f8867c5a1846a711a6ab8c356c2e5615833ff5b167073e5cf7a57

Download Submit
C:\Users\Admin\AppData\Local\1be0f094029f23c1b391c1aef01b0888\Admin@OAILVCNY_en-US\System\Process.txt
Filesize
5KB

MD5
96559bc4c8d677d9ff19c21aa4b83a44

SHA1
7b2abc9792929c1277c05d8fd0ed660952935586

SHA256
750bb59af0881d9678a347f771e2177f809046ce5b6f369773da22440a563b06

SHA512
3abe7c10416763535fd740f02696c6973107991b737bb893a515566f9f977764820fae5af431ab0870af88bb0d6a42485867688ef84d18949f537c6216938783

Download Submit
C:\Users\Admin\AppData\Local\1be0f094029f23c1b391c1aef01b0888\Admin@OAILVCNY_en-US\System\Process.txt
Filesize
643B

MD5
0f9245c9f1487ca08c95a555e196b274

SHA1
521f261f32acd90c1dd7f4e0c1473d1941ca2924

SHA256
7bd5d5b8752b6c2bffb07cb4ddb11205623c0e671bcc5f0a6b6ce4e3f65f34be

SHA512
c35ed4da5a976871d6384f6aebf82608fe4444d6b64a988af27a393d89ff45a7569733d79354e56e72b238fff3deb4d7f4de33c0f15dce7b14befd11573bc2ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n3oc15ci.5mf.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/964-32-0x00007FF8A2360000-0x00007FF8A2E21000-memory.dmp

Filesize
10.8MB

Download
memory/964-40-0x000002E3108F0000-0x000002E310900000-memory.dmp

Filesize
64KB

Download
memory/964-17-0x00007FF8A2360000-0x00007FF8A2E21000-memory.dmp

Filesize
10.8MB

Download
memory/964-238-0x000002E3108F0000-0x000002E310900000-memory.dmp

Filesize
64KB

Download
memory/964-19-0x000002E3108F0000-0x000002E310900000-memory.dmp

Filesize
64KB

Download
memory/964-20-0x000002E3106F0000-0x000002E310706000-memory.dmp

Filesize
88KB

Download
memory/964-237-0x000002E3108F0000-0x000002E310900000-memory.dmp

Filesize
64KB

Download
memory/964-202-0x000002E32A630000-0x000002E32A6AA000-memory.dmp

Filesize
488KB

Download
memory/964-189-0x000002E3108F0000-0x000002E310900000-memory.dmp

Filesize
64KB

Download
memory/964-24-0x000002E3108F0000-0x000002E310900000-memory.dmp

Filesize
64KB

Download
memory/964-188-0x000002E3108F0000-0x000002E310900000-memory.dmp

Filesize
64KB

Download
memory/964-187-0x00007FF8C1A10000-0x00007FF8C1C05000-memory.dmp

Filesize
2.0MB

Download
memory/964-29-0x00007FF8C1A10000-0x00007FF8C1C05000-memory.dmp

Filesize
2.0MB

Download
memory/964-44-0x000002E3108F0000-0x000002E310900000-memory.dmp

Filesize
64KB

Download
memory/964-33-0x000002E32A280000-0x000002E32A2F6000-memory.dmp

Filesize
472KB

Download
memory/964-34-0x000002E32A300000-0x000002E32A488000-memory.dmp

Filesize
1.5MB

Download
memory/964-35-0x000002E3108D0000-0x000002E3108EE000-memory.dmp

Filesize
120KB

Download
memory/964-16-0x000002E30EA90000-0x000002E30EAA6000-memory.dmp

Filesize
88KB

Download
memory/964-41-0x000002E310900000-0x000002E31090A000-memory.dmp

Filesize
40KB

Download
memory/964-42-0x000002E3108F0000-0x000002E310900000-memory.dmp

Filesize
64KB

Download
memory/1596-10-0x00007FF8A2360000-0x00007FF8A2E21000-memory.dmp

Filesize
10.8MB

Download
memory/1596-15-0x000001817E7E0000-0x000001817E83B000-memory.dmp

Filesize
364KB

Download
memory/1596-14-0x000001817BEC0000-0x000001817BF1A000-memory.dmp

Filesize
360KB

Download
memory/1596-11-0x000001817C4C0000-0x000001817C4D0000-memory.dmp

Filesize
64KB

Download
memory/1596-13-0x000001817C4C0000-0x000001817C4D0000-memory.dmp

Filesize
64KB

Download
memory/1596-12-0x000001817C4C0000-0x000001817C4D0000-memory.dmp

Filesize
64KB

Download
memory/1596-5-0x000001817E5E0000-0x000001817E602000-memory.dmp

Filesize
136KB

Download
memory/1596-28-0x000001817E7E0000-0x000001817E83B000-memory.dmp

Filesize
364KB

Download
memory/1596-27-0x00007FF8A2360000-0x00007FF8A2E21000-memory.dmp

Filesize
10.8MB

Download
memory/1596-23-0x000001817C4C0000-0x000001817C4D0000-memory.dmp

Filesize
64KB

Download
memory/1596-21-0x000001817C4C0000-0x000001817C4D0000-memory.dmp

Filesize
64KB

Download
memory/1596-22-0x000001817C4C0000-0x000001817C4D0000-memory.dmp

Filesize
64KB

Download
memory/1596-18-0x00007FF8A2360000-0x00007FF8A2E21000-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