lumma | 99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e

Analysis

max time kernel
95s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 02:59

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General

Target

99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
Size

570KB
MD5

be296f642f22606caed21cac4d61f2fa
SHA1

cd4c46055e6b2a08885e5a122c6d3434c5a90078
SHA256

99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e
SHA512

792e92bb9e4bb54067a7fc5b330c708682c8a19493207fbf1ecdc61f419956ddf2d01b2ab1480a13a9663449a4dd43f0c382d3710757f3a7571075e86546e3cd
SSDEEP

12288:ro3gygylSwAN2kLkhn23cn4Ss73MF1Oa73V11tFBP33yeLdlr7v:U3gygnN2kLktscnAQp3VLBKePr7v

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://fumblingactor.cyou/api

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe

description	pid	process	target process
PID 560 set thread context of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe

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

Processes:

99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe

description	pid	process	target process
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
PID 560 wrote to memory of 2232	560	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe	99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe

C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
"C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:560
- C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
  "C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/560-0-0x0000000000B3D000-0x0000000000B3E000-memory.dmp

Filesize
4KB

Download
memory/2232-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2232-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2232-4-0x0000000000B00000-0x0000000000B90000-memory.dmp

Filesize
576KB

Download