Analysis
- max time kernel
152s - max time network
190s - platform
windows7_x64 - resource
win7v20210408 - submitted
23/08/2021, 17:54
Static task
static1
Behavioral task
behavioral1
Sample
a4fe313256e5477d41af77aa45c65f20.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
a4fe313256e5477d41af77aa45c65f20.exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
- Target a4fe313256e5477d41af77aa45c65f20.exe
- Size 274KB
- Sample210823-wsg5ffd3ra
- SHA256 04b094e1e2f34f1382df94fa610e9e74a74e6a73c8b755285a70f60da73b392d
- MD5 a4fe313256e5477d41af77aa45c65f20
- SHA1 1b4fba305c0a667058b0f805425797245a5851eb
- SHA512 894d581f3c84b39578f4e99e54e0d7b15eec6b42b1e7fc709fcc95090263089e7d206dfda0e4bb18242b3adda31c55f7f448f51d9705f0b4e1b2270578b5fd20
- MD5 SHA1 SHA512
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
Extracted
Family
-
redline
C2
-
185.215.113.29:8678
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
resource yara_rule behavioral1/memory/1800-78-0x0000000003DF0000-0x0000000003E0D000-memory.dmp family_redline behavioral1/memory/1800-82-0x0000000003E70000-0x0000000003E8C000-memory.dmp family_redline - SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
pid Process 384 195A.exe 664 195A.exe 1800 258B.exe - Deletes itself 1 IoCs
pid Process 1204 Process not Found - Loads dropped DLL 1 IoCs
pid Process 384 195A.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 384 set thread context of 664 384 195A.exe 30 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a4fe313256e5477d41af77aa45c65f20.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a4fe313256e5477d41af77aa45c65f20.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a4fe313256e5477d41af77aa45c65f20.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1828 a4fe313256e5477d41af77aa45c65f20.exe 1828 a4fe313256e5477d41af77aa45c65f20.exe 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1204 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1828 a4fe313256e5477d41af77aa45c65f20.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 1204 Process not Found Token: SeShutdownPrivilege 1204 Process not Found - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found - Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found - Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1204 wrote to memory of 384 1204 Process not Found 29 PID 1204 wrote to memory of 384 1204 Process not Found 29 PID 1204 wrote to memory of 384 1204 Process not Found 29 PID 1204 wrote to memory of 384 1204 Process not Found 29 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 384 wrote to memory of 664 384 195A.exe 30 PID 1204 wrote to memory of 1800 1204 Process not Found 31 PID 1204 wrote to memory of 1800 1204 Process not Found 31 PID 1204 wrote to memory of 1800 1204 Process not Found 31 PID 1204 wrote to memory of 1800 1204 Process not Found 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\a4fe313256e5477d41af77aa45c65f20.exe"C:\Users\Admin\AppData\Local\Temp\a4fe313256e5477d41af77aa45c65f20.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1828
-
C:\Users\Admin\AppData\Local\Temp\195A.exeC:\Users\Admin\AppData\Local\Temp\195A.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Users\Admin\AppData\Local\Temp\195A.exeC:\Users\Admin\AppData\Local\Temp\195A.exe2⤵
- Executes dropped EXE
PID:664
-
-
C:\Users\Admin\AppData\Local\Temp\258B.exeC:\Users\Admin\AppData\Local\Temp\258B.exe1⤵
- Executes dropped EXE
PID:1800