lumma | 2a875c4f05a84aa5fa139d23e0b51b7cd2047c06a35d051ebd0891bd11f3a721

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 13:08

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General

Target

MediPeel.exe
Size

10.7MB
MD5

ebb28d3da6ea29cec25910328415f994
SHA1

a178aaa66b50fb03e3db39902b31400b7088f2b1
SHA256

2a875c4f05a84aa5fa139d23e0b51b7cd2047c06a35d051ebd0891bd11f3a721
SHA512

a6073636b21f19e69a7f0e9b1ef201867fbad9a14f10f1d2c8b63cc3b2f6fdf3b3954be1955b37c8034ff52e048fe489f27553aaf28401bc93a317753f02c09a
SSDEEP

196608:Q4xFLbxtbJBdZaK31/aGdJXOLBZIy+fjfKCGqlQGDM427lZCcxxi6VTDqQ7poZQ:QeVbxH93Fa0JXDysQR57lZnxxi+TOQ7z

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://refrencireoi.shop/api

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://charistmatwio.shop/api

https://grassemenwji.shop/api

https://stitchmiscpaew.shop/api

https://commisionipwn.shop/api

Signatures

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

Executes dropped EXE 4 IoCs

pid	Process
2412	MediPeel.tmp
2920	MediPeel.tmp
2964	AutoIt3.exe
108	AutoIt3.exe

Loads dropped DLL 6 IoCs

pid	Process
3052	MediPeel.exe
2412	MediPeel.tmp
264	MediPeel.exe
2920	MediPeel.tmp
2920	MediPeel.tmp
1588	cmd.exe

Enumerates processes with tasklist 1 TTPs 6 IoCs

discovery

Process Discovery

T1057

pid	Process
1324	tasklist.exe
1668	tasklist.exe
1736	tasklist.exe
2276	tasklist.exe
2872	tasklist.exe
2712	tasklist.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 108 set thread context of 1432	108	AutoIt3.exe	64

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 9 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	MediPeel.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediPeel.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AutoIt3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediPeel.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AutoIt3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GoogleUpdateCore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediPeel.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1588	cmd.exe
2096	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AutoIt3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AutoIt3.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2096	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2920	MediPeel.tmp
2920	MediPeel.tmp

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	tasklist.exe
Token: SeDebugPrivilege	1668	tasklist.exe
Token: SeDebugPrivilege	1736	tasklist.exe
Token: SeDebugPrivilege	2276	tasklist.exe
Token: SeDebugPrivilege	2872	tasklist.exe
Token: SeDebugPrivilege	2712	tasklist.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2920	MediPeel.tmp

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2412	3052	MediPeel.exe	30
PID 3052 wrote to memory of 2412	3052	MediPeel.exe	30
PID 3052 wrote to memory of 2412	3052	MediPeel.exe	30
PID 3052 wrote to memory of 2412	3052	MediPeel.exe	30
PID 3052 wrote to memory of 2412	3052	MediPeel.exe	30
PID 3052 wrote to memory of 2412	3052	MediPeel.exe	30
PID 3052 wrote to memory of 2412	3052	MediPeel.exe	30
PID 2412 wrote to memory of 264	2412	MediPeel.tmp	31
PID 2412 wrote to memory of 264	2412	MediPeel.tmp	31
PID 2412 wrote to memory of 264	2412	MediPeel.tmp	31
PID 2412 wrote to memory of 264	2412	MediPeel.tmp	31
PID 264 wrote to memory of 2920	264	MediPeel.exe	32
PID 264 wrote to memory of 2920	264	MediPeel.exe	32
PID 264 wrote to memory of 2920	264	MediPeel.exe	32
PID 264 wrote to memory of 2920	264	MediPeel.exe	32
PID 264 wrote to memory of 2920	264	MediPeel.exe	32
PID 264 wrote to memory of 2920	264	MediPeel.exe	32
PID 264 wrote to memory of 2920	264	MediPeel.exe	32
PID 2920 wrote to memory of 2368	2920	MediPeel.tmp	33
PID 2920 wrote to memory of 2368	2920	MediPeel.tmp	33
PID 2920 wrote to memory of 2368	2920	MediPeel.tmp	33
PID 2920 wrote to memory of 2368	2920	MediPeel.tmp	33
PID 2368 wrote to memory of 1324	2368	cmd.exe	35
PID 2368 wrote to memory of 1324	2368	cmd.exe	35
PID 2368 wrote to memory of 1324	2368	cmd.exe	35
PID 2368 wrote to memory of 1280	2368	cmd.exe	36
PID 2368 wrote to memory of 1280	2368	cmd.exe	36
PID 2368 wrote to memory of 1280	2368	cmd.exe	36
PID 2920 wrote to memory of 1372	2920	MediPeel.tmp	38
PID 2920 wrote to memory of 1372	2920	MediPeel.tmp	38
PID 2920 wrote to memory of 1372	2920	MediPeel.tmp	38
PID 2920 wrote to memory of 1372	2920	MediPeel.tmp	38
PID 1372 wrote to memory of 1668	1372	cmd.exe	40
PID 1372 wrote to memory of 1668	1372	cmd.exe	40
PID 1372 wrote to memory of 1668	1372	cmd.exe	40
PID 1372 wrote to memory of 2312	1372	cmd.exe	41
PID 1372 wrote to memory of 2312	1372	cmd.exe	41
PID 1372 wrote to memory of 2312	1372	cmd.exe	41
PID 2920 wrote to memory of 1704	2920	MediPeel.tmp	42
PID 2920 wrote to memory of 1704	2920	MediPeel.tmp	42
PID 2920 wrote to memory of 1704	2920	MediPeel.tmp	42
PID 2920 wrote to memory of 1704	2920	MediPeel.tmp	42
PID 1704 wrote to memory of 1736	1704	cmd.exe	44
PID 1704 wrote to memory of 1736	1704	cmd.exe	44
PID 1704 wrote to memory of 1736	1704	cmd.exe	44
PID 1704 wrote to memory of 1720	1704	cmd.exe	45
PID 1704 wrote to memory of 1720	1704	cmd.exe	45
PID 1704 wrote to memory of 1720	1704	cmd.exe	45
PID 2920 wrote to memory of 344	2920	MediPeel.tmp	46
PID 2920 wrote to memory of 344	2920	MediPeel.tmp	46
PID 2920 wrote to memory of 344	2920	MediPeel.tmp	46
PID 2920 wrote to memory of 344	2920	MediPeel.tmp	46
PID 344 wrote to memory of 2276	344	cmd.exe	48
PID 344 wrote to memory of 2276	344	cmd.exe	48
PID 344 wrote to memory of 2276	344	cmd.exe	48
PID 344 wrote to memory of 1508	344	cmd.exe	49
PID 344 wrote to memory of 1508	344	cmd.exe	49
PID 344 wrote to memory of 1508	344	cmd.exe	49
PID 2920 wrote to memory of 2604	2920	MediPeel.tmp	50
PID 2920 wrote to memory of 2604	2920	MediPeel.tmp	50
PID 2920 wrote to memory of 2604	2920	MediPeel.tmp	50
PID 2920 wrote to memory of 2604	2920	MediPeel.tmp	50
PID 2604 wrote to memory of 2872	2604	cmd.exe	52
PID 2604 wrote to memory of 2872	2604	cmd.exe	52

C:\Users\Admin\AppData\Local\Temp\MediPeel.exe
"C:\Users\Admin\AppData\Local\Temp\MediPeel.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\is-4JM99.tmp\MediPeel.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-4JM99.tmp\MediPeel.tmp" /SL5="$5014E,10267176,812544,C:\Users\Admin\AppData\Local\Temp\MediPeel.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Users\Admin\AppData\Local\Temp\MediPeel.exe
    "C:\Users\Admin\AppData\Local\Temp\MediPeel.exe" /VERYSILENT /NORESTART
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:264
  - - C:\Users\Admin\AppData\Local\Temp\is-94A0B.tmp\MediPeel.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-94A0B.tmp\MediPeel.tmp" /SL5="$6014E,10267176,812544,C:\Users\Admin\AppData\Local\Temp\MediPeel.exe" /VERYSILENT /NORESTART
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2920
    - - C:\Windows\system32\cmd.exe
        
        "cmd.exe" /C tasklist /FI "IMAGENAME eq wrsa.exe" /FO CSV /NH | find /I "wrsa.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2368
      - C:\Windows\system32\tasklist.exe
        
        tasklist /FI "IMAGENAME eq wrsa.exe" /FO CSV /NH
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:1324
      - C:\Windows\system32\find.exe
        
        find /I "wrsa.exe"
        6⤵
        
        PID:1280
    - - C:\Windows\system32\cmd.exe
        
        "cmd.exe" /C tasklist /FI "IMAGENAME eq opssvc.exe" /FO CSV /NH | find /I "opssvc.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1372
      - C:\Windows\system32\tasklist.exe
        
        tasklist /FI "IMAGENAME eq opssvc.exe" /FO CSV /NH
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:1668
      - C:\Windows\system32\find.exe
        
        find /I "opssvc.exe"
        6⤵
        
        PID:2312
    - - C:\Windows\system32\cmd.exe
        
        "cmd.exe" /C tasklist /FI "IMAGENAME eq avastui.exe" /FO CSV /NH | find /I "avastui.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1704
      - C:\Windows\system32\tasklist.exe
        
        tasklist /FI "IMAGENAME eq avastui.exe" /FO CSV /NH
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:1736
      - C:\Windows\system32\find.exe
        
        find /I "avastui.exe"
        6⤵
        
        PID:1720
    - - C:\Windows\system32\cmd.exe
        
        "cmd.exe" /C tasklist /FI "IMAGENAME eq avgui.exe" /FO CSV /NH | find /I "avgui.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:344
      - C:\Windows\system32\tasklist.exe
        
        tasklist /FI "IMAGENAME eq avgui.exe" /FO CSV /NH
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2276
      - C:\Windows\system32\find.exe
        
        find /I "avgui.exe"
        6⤵
        
        PID:1508
    - - C:\Windows\system32\cmd.exe
        
        "cmd.exe" /C tasklist /FI "IMAGENAME eq nswscsvc.exe" /FO CSV /NH | find /I "nswscsvc.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2604
      - C:\Windows\system32\tasklist.exe
        
        tasklist /FI "IMAGENAME eq nswscsvc.exe" /FO CSV /NH
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2872
      - C:\Windows\system32\find.exe
        
        find /I "nswscsvc.exe"
        6⤵
        
        PID:2760
    - - C:\Windows\system32\cmd.exe
        
        "cmd.exe" /C tasklist /FI "IMAGENAME eq sophoshealth.exe" /FO CSV /NH | find /I "sophoshealth.exe"
        5⤵
        
        PID:1236
      - C:\Windows\system32\tasklist.exe
        
        tasklist /FI "IMAGENAME eq sophoshealth.exe" /FO CSV /NH
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2712
      - C:\Windows\system32\find.exe
        
        find /I "sophoshealth.exe"
        6⤵
        
        PID:1012
    - - C:\Users\Admin\AppData\Local\pensy\AutoIt3.exe
        
        "C:\Users\Admin\AppData\Local\pensy\\AutoIt3.exe" "C:\Users\Admin\AppData\Local\pensy\\bombinate.a3x"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2964
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c ping -n 5 127.0.0.1 >nul && AutoIt3.exe C:\ProgramData\\cv1GMfACm.a3x && del C:\ProgramData\\cv1GMfACm.a3x
        6⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        
        PID:1588
        
        C:\Windows\SysWOW64\PING.EXE
        
        ping -n 5 127.0.0.1
        7⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2096
        
        C:\Users\Admin\AppData\Local\pensy\AutoIt3.exe
        
        AutoIt3.exe C:\ProgramData\\cv1GMfACm.a3x
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Checks processor information in registry
        
        PID:108
        
        C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
        
        "C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe"
        8⤵
        System Location Discovery: System Language Discovery
        
        PID:1432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab170C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar172E.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\pensy\bombinate.a3x

Filesize
62KB

MD5
2011fd050c4ca32737a3c7a1eceab131

SHA1
4b1c49c9d00750f57d3ed84f5e0deedfe90ee6ed

SHA256
3076733f6d4d580c995d8a675ad6f1e3731cd08a713aac0a8ce3cdb82182c482

SHA512
3786718aa8dbb4e8377c97ae810019281bfcd36b1f2aa807edfb8e7f0116dac03a9d1fa1d7dbc77cc4135315a8e4abb38e544592994aee95919e5683f2bb24d0

Download Submit
C:\Users\Admin\AppData\Local\pensy\bombinate.gif

Filesize
478KB

MD5
a2d51318f12154d1577dd5d267e38a31

SHA1
63b6e1880f674838612f99754b1a90114d2f71e4

SHA256
3214f770354ce2aa47691390b25fbbf89b472a41ae2e6549f3a1388667a6d6d3

SHA512
28abcaa05df554fa1f5dd4d98aa13e77e45f24aa72c69cf558debe4e87176bd916014b9d8e47f10fcbb8d56fe3d1609b1694e7675f60f224feca9368cf16e4a3

Download Submit
\Users\Admin\AppData\Local\Temp\is-3F5AO.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-4JM99.tmp\MediPeel.tmp

Filesize
3.1MB

MD5
0d3c13ea2213808a14905b85f141061a

SHA1
31b3a57012127a5bda5beec6ac3901700b6f702c

SHA256
8241b818954f711736e70b5b3c4513e1f035cc35f394d7fefde18b64e59cda51

SHA512
50d84a7c01c2c8c94fd8f1c8b9043c7d9c31e1d7ff16532f115a7a50be6c3cf9df5e0ef8eddb667feeb53ff693468e64db13ad1d7b9c8b9a7c8447d42c3559dc

Download Submit
\Users\Admin\AppData\Local\pensy\AutoIt3.exe

Filesize
921KB

MD5
3f58a517f1f4796225137e7659ad2adb

SHA1
e264ba0e9987b0ad0812e5dd4dd3075531cfe269

SHA256
1da298cab4d537b0b7b5dabf09bff6a212b9e45731e0cc772f99026005fb9e48

SHA512
acf740aafce390d06c6a76c84e7ae7c0f721731973aadbe3e57f2eb63241a01303cc6bf11a3f9a88f8be0237998b5772bdaf569137d63ba3d0f877e7d27fc634

Download Submit
memory/264-16-0x0000000000ED0000-0x0000000000FA4000-memory.dmp

Filesize
848KB

Download
memory/264-181-0x0000000000ED0000-0x0000000000FA4000-memory.dmp

Filesize
848KB

Download
memory/1432-190-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1432-191-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2412-15-0x0000000001240000-0x0000000001574000-memory.dmp

Filesize
3.2MB

Download
memory/2412-8-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/2920-179-0x0000000001070000-0x00000000013A4000-memory.dmp

Filesize
3.2MB

Download
memory/3052-19-0x0000000000ED0000-0x0000000000FA4000-memory.dmp

Filesize
848KB

Download
memory/3052-0-0x0000000000ED0000-0x0000000000FA4000-memory.dmp

Filesize
848KB

Download
memory/3052-2-0x0000000000ED1000-0x0000000000F79000-memory.dmp

Filesize
672KB

Download