lumma | dc813f57acd54cd1d0067adadc56cb9347efa0f6eb2628427158d3c75eafa1ff

General

Target

Kapu.rar
Size

1.9MB
MD5

bde953e9edade9135691a71d64f5efef
SHA1

7f29914cde929688a6e6255cb479cd86e8b60275
SHA256

dc813f57acd54cd1d0067adadc56cb9347efa0f6eb2628427158d3c75eafa1ff
SHA512

628fbad49c1e8a215506538043c90e0077264ed9393306e59eaa31f3c5ee51d21247bf7e92b78147e6772afbc2a6faebb3201abbbe526ab423f62e752ec40cf3
SSDEEP

24576:/+U5nQsmY2j9L80lbapoeRu/88AGcqx/GsbCxndz46fl6OXOY1sZSxCP/pzZqOp8:/75nYxLbbabNU3gndsHqsCCx5ZqlzMkv

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://robinsharez.shop/api

https://handscreamny.shop/api

https://chipdonkeruz.shop/api

https://versersleep.shop/api

https://crowdwarek.shop/api

https://apporholis.shop/api

https://femalsabler.shop/api

https://soundtappysk.shop/api

https://letterdrive.shop/api

Signatures

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

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/files/0x0029000000046194-22.dat	net_reactor
behavioral1/memory/5064-25-0x0000000000A60000-0x0000000000AC8000-memory.dmp	net_reactor

Executes dropped EXE 4 IoCs

pid	Process
5064	Loader.exe
4876	Loader.exe
3380	Loader.exe
4904	Loader.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5064 set thread context of 4904	5064	Loader.exe	102

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2452	5064	WerFault.exe	97

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	Loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Loader.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3928	7zFM.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	3928	7zFM.exe
Token: 35	3928	7zFM.exe
Token: SeSecurityPrivilege	3928	7zFM.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3928	7zFM.exe
3928	7zFM.exe
3928	7zFM.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 4876	5064	Loader.exe	100
PID 5064 wrote to memory of 4876	5064	Loader.exe	100
PID 5064 wrote to memory of 4876	5064	Loader.exe	100
PID 5064 wrote to memory of 3380	5064	Loader.exe	101
PID 5064 wrote to memory of 3380	5064	Loader.exe	101
PID 5064 wrote to memory of 3380	5064	Loader.exe	101
PID 5064 wrote to memory of 4904	5064	Loader.exe	102
PID 5064 wrote to memory of 4904	5064	Loader.exe	102
PID 5064 wrote to memory of 4904	5064	Loader.exe	102
PID 5064 wrote to memory of 4904	5064	Loader.exe	102
PID 5064 wrote to memory of 4904	5064	Loader.exe	102
PID 5064 wrote to memory of 4904	5064	Loader.exe	102
PID 5064 wrote to memory of 4904	5064	Loader.exe	102
PID 5064 wrote to memory of 4904	5064	Loader.exe	102
PID 5064 wrote to memory of 4904	5064	Loader.exe	102

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Kapu.rar"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3928

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4772

C:\Users\Admin\Desktop\kapu\Loader.exe
"C:\Users\Admin\Desktop\kapu\Loader.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Users\Admin\Desktop\kapu\Loader.exe
  "C:\Users\Admin\Desktop\kapu\Loader.exe"
  2⤵
  - Executes dropped EXE
  PID:4876
- C:\Users\Admin\Desktop\kapu\Loader.exe
  "C:\Users\Admin\Desktop\kapu\Loader.exe"
  2⤵
  - Executes dropped EXE
  PID:3380
- C:\Users\Admin\Desktop\kapu\Loader.exe
  "C:\Users\Admin\Desktop\kapu\Loader.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 836
  2⤵
  - Program crash
  PID:2452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5064 -ip 5064
1⤵
PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Desktop\kapu\Loader.exe

Filesize
392KB

MD5
05e6a5849029eb0bf93daa91365ca6ec

SHA1
dd3f61dcddb7a233b5d93099504e3f62c7a3162f

SHA256
cb6bd4c81cc8662218333d0286903253229ec9be6c4011748f79701b811d1851

SHA512
5249241c92729b6240660ce098218dc5e2f7f471a45e1dbc7b2f4de3fabb3632acb2d3d7d076db853becf2fa35ec15334d3d8ecc5b35f5c213b6a74052c7cbac

Download Submit
memory/4904-34-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4904-31-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4904-36-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4904-38-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/5064-24-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/5064-25-0x0000000000A60000-0x0000000000AC8000-memory.dmp

Filesize
416KB

Download
memory/5064-26-0x0000000005C20000-0x00000000061C6000-memory.dmp

Filesize
5.6MB

Download
memory/5064-27-0x0000000074A30000-0x00000000751E1000-memory.dmp

Filesize
7.7MB

Download
memory/5064-35-0x0000000074A30000-0x00000000751E1000-memory.dmp

Filesize
7.7MB

Download
memory/5064-37-0x0000000074A30000-0x00000000751E1000-memory.dmp

Filesize
7.7MB

Download

Analysis

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