Analysis
- max time kernel
151s - max time network
152s - platform
windows10_x64 - resource
win10v20210408 - submitted
09/08/2021, 11:35
General
- Target 5742959b35dcc6b59fb95d5a659f62f5.exe
- Size 222KB
- Sample210809-cndcjraf12
- SHA256 96ab0a5a858b541c6e6fc44588405d29f8ba18bf8e8ff4af25b235135bbfd01a
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://aucmoney.com/upload/
-
http://thegymmum.com/upload/
-
http://atvcampingtrips.com/upload/
-
http://kuapakualaman.com/upload/
-
http://renatazarazua.com/upload/
-
http://nasufmutlu.com/upload/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
- Deletes itself 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5742959b35dcc6b59fb95d5a659f62f5.exe"C:\Users\Admin\AppData\Local\Temp\5742959b35dcc6b59fb95d5a659f62f5.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Roaming\cfcjjbrC:\Users\Admin\AppData\Roaming\cfcjjbr1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3048-116-0x0000000000B00000-0x0000000000B16000-memory.dmp
memory/3048-121-0x00000000029B0000-0x00000000029C6000-memory.dmp
memory/3476-119-0x0000000002CD0000-0x0000000002E1A000-memory.dmp
memory/3476-120-0x0000000000400000-0x0000000002C6D000-memory.dmp
memory/4648-115-0x0000000000400000-0x0000000002C6D000-memory.dmp
memory/4648-114-0x0000000002D50000-0x0000000002D59000-memory.dmp