lumma | ca21c5b129c001c2b51359d5f74c0a99667028810623b779190b13f0de86369e

General

Target

28d222fd592e63b9e73a63f8a2806532.exe
Size

1.7MB
MD5

28d222fd592e63b9e73a63f8a2806532
SHA1

f579377b26b455fb1331623a2e7d0fedc71e255c
SHA256

ca21c5b129c001c2b51359d5f74c0a99667028810623b779190b13f0de86369e
SHA512

79d468087f729934de907e7c764610ee1a025ab020d6bcf2db9471b366e10c2ed503dddc72983db6f4be15ed44161a21f3ed9482aae02ed1687e5344250f4647
SSDEEP

24576:PCdbNNTSt/qWkAOh6wc0xqkTDxk43LfzAAdZeAr+Jor0I5ciRl8Jb73sIy:PwNUkAc6wLTjAkPrOq5c4a73sIy

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

gstatic-node.io

blockigro.xyz

Signatures

Detect Lumma Stealer payload V2 4 IoCs

resource	yara_rule
behavioral2/memory/1292-32-0x0000000000400000-0x0000000000465000-memory.dmp	family_lumma_V2
behavioral2/memory/1292-35-0x0000000000400000-0x0000000000465000-memory.dmp	family_lumma_V2
behavioral2/memory/1292-38-0x0000000000400000-0x0000000000465000-memory.dmp	family_lumma_V2
behavioral2/memory/1292-36-0x0000000000400000-0x0000000000465000-memory.dmp	family_lumma_V2

Detect Lumma Stealer payload V4 4 IoCs

resource	yara_rule
behavioral2/memory/1292-32-0x0000000000400000-0x0000000000465000-memory.dmp	family_lumma_v4
behavioral2/memory/1292-35-0x0000000000400000-0x0000000000465000-memory.dmp	family_lumma_v4
behavioral2/memory/1292-38-0x0000000000400000-0x0000000000465000-memory.dmp	family_lumma_v4
behavioral2/memory/1292-36-0x0000000000400000-0x0000000000465000-memory.dmp	family_lumma_v4

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1624 set thread context of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101

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	28d222fd592e63b9e73a63f8a2806532.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1624	28d222fd592e63b9e73a63f8a2806532.exe
1624	28d222fd592e63b9e73a63f8a2806532.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	28d222fd592e63b9e73a63f8a2806532.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 4112	1624	28d222fd592e63b9e73a63f8a2806532.exe	100
PID 1624 wrote to memory of 4112	1624	28d222fd592e63b9e73a63f8a2806532.exe	100
PID 1624 wrote to memory of 4112	1624	28d222fd592e63b9e73a63f8a2806532.exe	100
PID 1624 wrote to memory of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101
PID 1624 wrote to memory of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101
PID 1624 wrote to memory of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101
PID 1624 wrote to memory of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101
PID 1624 wrote to memory of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101
PID 1624 wrote to memory of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101
PID 1624 wrote to memory of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101
PID 1624 wrote to memory of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101
PID 1624 wrote to memory of 1292	1624	28d222fd592e63b9e73a63f8a2806532.exe	101

C:\Users\Admin\AppData\Local\Temp\28d222fd592e63b9e73a63f8a2806532.exe
"C:\Users\Admin\AppData\Local\Temp\28d222fd592e63b9e73a63f8a2806532.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4200,i,13995403245988825027,7033610968827661507,262144 --variations-seed-version --mojo-platform-channel-handle=4272 /prefetch:8
1⤵
PID:752

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

memory/1292-32-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1292-36-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1292-38-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1292-35-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1624-24-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-18-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-6-0x00000000055D0000-0x00000000055EC000-memory.dmp

Filesize
112KB

Download
memory/1624-28-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-26-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-30-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-4-0x0000000005710000-0x0000000005856000-memory.dmp

Filesize
1.3MB

Download
memory/1624-31-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1624-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/1624-22-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-20-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-5-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1624-16-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-14-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-12-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-10-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-8-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-7-0x00000000055D0000-0x00000000055E5000-memory.dmp

Filesize
84KB

Download
memory/1624-34-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1624-3-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/1624-2-0x0000000005670000-0x000000000570C000-memory.dmp

Filesize
624KB

Download
memory/1624-1-0x0000000000AB0000-0x0000000000C6E000-memory.dmp

Filesize
1.7MB

Download

Analysis

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