lumma | 34055dd74bee23c85ea6d2d8649915ed976ee750989c64be9b7b97ff36621d83

Analysis

max time kernel
79s
max time network
81s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
31-12-2024 21:26

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General

Target

Solara.zip
Size

2.8MB
MD5

0c5525f5bcd0c9610cd6ebf5923dfa41
SHA1

df7a895642b88cd99c6e3ddd30d5585778cd866e
SHA256

34055dd74bee23c85ea6d2d8649915ed976ee750989c64be9b7b97ff36621d83
SHA512

08d66ad5e41f215002e858585a4e3367e5f50102d370f811d0d8a67680ffb66495d40d54196c6e353dacdc87322b2bf38c3f13191d5d3b067b3c4d0deee316dc
SSDEEP

49152:nfEkBcsjT/TcQvOVnFjfy/AMWQ1XyGZGhLPJhJkwNmRTsfO+Ykf24/LIzKlbTOUA:hBcsjfFvWFTyZXhfGpJhJ3A5eQkf2UkH

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

https://fancywaxxers.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

Executes dropped EXE 2 IoCs

pid	Process
4740	Solara.exe
3428	Solara.exe

Loads dropped DLL 2 IoCs

pid	Process
4740	Solara.exe
3428	Solara.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 3372	4740	Solara.exe	90
PID 3428 set thread context of 1496	3428	Solara.exe	98

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3312	4740	WerFault.exe	86
4404	3428	WerFault.exe	96

System Location Discovery: System Language Discovery 1 TTPs 6 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	wmplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unregmp2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Solara.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regiis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Solara.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regiis.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2256	7zFM.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeRestorePrivilege	2256	7zFM.exe
Token: 35	2256	7zFM.exe
Token: SeShutdownPrivilege	1732	wmplayer.exe
Token: SeCreatePagefilePrivilege	1732	wmplayer.exe
Token: SeShutdownPrivilege	3704	unregmp2.exe
Token: SeCreatePagefilePrivilege	3704	unregmp2.exe
Token: SeSecurityPrivilege	2256	7zFM.exe
Token: SeSecurityPrivilege	2256	7zFM.exe
Token: SeSecurityPrivilege	2256	7zFM.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2256	7zFM.exe
1732	wmplayer.exe
2256	7zFM.exe
2256	7zFM.exe
2256	7zFM.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 792	1732	wmplayer.exe	79
PID 1732 wrote to memory of 792	1732	wmplayer.exe	79
PID 1732 wrote to memory of 792	1732	wmplayer.exe	79
PID 792 wrote to memory of 3704	792	unregmp2.exe	80
PID 792 wrote to memory of 3704	792	unregmp2.exe	80
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 4740 wrote to memory of 3372	4740	Solara.exe	90
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98
PID 3428 wrote to memory of 1496	3428	Solara.exe	98

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Solara.zip"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2256

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:792
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3704

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:224

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1576

C:\Users\Admin\Desktop\SOLARA\Solara.exe
"C:\Users\Admin\Desktop\SOLARA\Solara.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 1076
  2⤵
  - Program crash
  PID:3312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4740 -ip 4740
1⤵
PID:3136

C:\Users\Admin\Desktop\SOLARA\Solara.exe
"C:\Users\Admin\Desktop\SOLARA\Solara.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 1048
  2⤵
  - Program crash
  PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3428 -ip 3428
1⤵
PID:1168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
64KB

MD5
066f6e5acfff197d12b550ef7d452d41

SHA1
aaa8cfa5a56519594490d069f31a42a15ca515a2

SHA256
cac3a8354c7766b4ce0900bf4d8097bf372ec405a6af4bba63a6d92132932a30

SHA512
21c3985bdc883b7c0fcdfb660a577eb03870943d9e812a24726158b6c06cc36b00425fdeafddcb099fddd1488173280563f7241c9589e69d04d1eb1b5daa786b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
1024KB

MD5
3baf18f17e5040fcdd4657f973cafb16

SHA1
9668e5193fc28e18893fd4cc6ca50baadbc40411

SHA256
68c3c80a254c37dba7d64bab2965ff53b4b05655be97432168a17909db8e5c2a

SHA512
3a94ed8383f7998d9a806ed709d111a1a609df37258e69df7e66927ac878a69dce593ff38ae05b2574261fcab97a1be5acc3d00c4ec3f047967dd52e10266fb8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD

Filesize
498B

MD5
90be2701c8112bebc6bd58a7de19846e

SHA1
a95be407036982392e2e684fb9ff6602ecad6f1e

SHA256
644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf

SHA512
d618b473b68b48d746c912ac5fc06c73b047bd35a44a6efc7a859fe1162d68015cf69da41a5db504dcbc4928e360c095b32a3b7792fcc6a38072e1ebd12e7cbe

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

Download Submit
C:\Users\Admin\AppData\Local\Temp\wmsetup.log

Filesize
1KB

MD5
cea15dec8e0763d8b8e2ff05f8172d27

SHA1
afe34afd4bfbfc1aa4275b44814d027a9ac1f201

SHA256
084217b395c3a5c0b9d8a818ea0374ee1d151c427e20e16fcf31851f4181d3e7

SHA512
e81d5bbb3d5a34b82dd27d04f313c3f0de87d5c175663d56394c791d10e657d37cbeb48b443a1f76f03f6ac026f179fe98407692506d5805ba5dca7e514dbfeb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms

Filesize
3KB

MD5
fa244beb8c43635c1fd9252c281c135b

SHA1
8fd23ff8d0edc8c981aff80439cc71237e251b76

SHA256
6abf28b50bfae7c7af276dc34adc003f67d40f83ede6849149242cceb298ab8c

SHA512
0eb877ffce2cc3104929b85fff401c1fde745fb0fa6e6762e50982bb0d06e1762f297a9c60bed0881b56615d66ca7e4ba7635dd1d50dabb8e437cccf70b535f2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms

Filesize
1KB

MD5
eed965c8f65044d040ff962a37520d06

SHA1
efab92aa279e4fc00c8852ab8d5968add7fd95c5

SHA256
913fc1cdc2515f9616b4c29efae67504b233b08960ecaa9916800775c0da8b5c

SHA512
5489f2f00a925236bb4128bbfd7417f6d5fea39f7049ad7d6042fd01a5dae36f045b0d5396a045ab89fd0d695540d7ec5bab1a529a8760b6e0fd47f0295d6029

Download Submit
C:\Users\Admin\AppData\Roaming\gdi32.dll

Filesize
428KB

MD5
9322e3bdd1e2f0595164f0da0b61c268

SHA1
ab93fd6515fb0aa78b61477c8acb59ac2adf9438

SHA256
93464247ecced5e02ed5d06e643116744602924321510ffaef159f99d7cb5b03

SHA512
e5180992c1d8ba7b3359eb12432aac611246b87ad3dc56d8c204d0a8fb7308f306fcd4946ed93dc225d18fd218f1cdb643db74aec4e52274f5f43cc662e5fde4

Download Submit
C:\Users\Admin\Desktop\SOLARA\Solara.exe

Filesize
687KB

MD5
7ec34df0a7309de040f3d8377c8b9624

SHA1
6d94948fcd2473ecc1cc9566f7bbf0904dcfdd17

SHA256
5b22523ae17968cddb6c6c0c580beec2c79d17e7f263370fb09a8970faee1176

SHA512
dbafd9e62c18962f4e4b2e2ac2d3551327f30dac3f23653dfd4e548025d694a02c3ee4b752ffb76ebf4110e06647e7a4506b3307778db6f4d676d797981c9524

Download Submit
memory/1496-93-0x0000000000900000-0x0000000000955000-memory.dmp

Filesize
340KB

Download
memory/1496-96-0x0000000000900000-0x0000000000955000-memory.dmp

Filesize
340KB

Download
memory/1496-92-0x0000000000900000-0x0000000000955000-memory.dmp

Filesize
340KB

Download
memory/1732-38-0x0000000009050000-0x0000000009060000-memory.dmp

Filesize
64KB

Download
memory/1732-41-0x0000000009050000-0x0000000009060000-memory.dmp

Filesize
64KB

Download
memory/1732-40-0x0000000009050000-0x0000000009060000-memory.dmp

Filesize
64KB

Download
memory/1732-36-0x0000000009050000-0x0000000009060000-memory.dmp

Filesize
64KB

Download
memory/1732-35-0x0000000009050000-0x0000000009060000-memory.dmp

Filesize
64KB

Download
memory/1732-37-0x0000000009050000-0x0000000009060000-memory.dmp

Filesize
64KB

Download
memory/1732-39-0x0000000009050000-0x0000000009060000-memory.dmp

Filesize
64KB

Download
memory/1732-34-0x0000000009050000-0x0000000009060000-memory.dmp

Filesize
64KB

Download
memory/3372-72-0x0000000001180000-0x00000000011E4000-memory.dmp

Filesize
400KB

Download
memory/3372-71-0x0000000001180000-0x00000000011E4000-memory.dmp

Filesize
400KB

Download
memory/3372-75-0x0000000001180000-0x00000000011E4000-memory.dmp

Filesize
400KB

Download
memory/4740-63-0x0000000000D40000-0x0000000000DF4000-memory.dmp

Filesize
720KB

Download
memory/4740-64-0x00000000017A0000-0x00000000017A6000-memory.dmp

Filesize
24KB

Download