Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 11:39
Behavioral task
behavioral1
Sample
15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe
Resource
win11ltsc2024-20260709-en
General
- Target 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe
- Size 45KB
- Sample260804-nsqa4sdp31
- SHA256 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b
- MD5 dd9735ccb141f97fdfc5c76056f30f9e
- SHA1 2312a3a0f780384a71304b1a60cce3d2c41d12ff
- SHA512 2cb93113e584fcda5ba400887c574ac2b7801ea8784de850de031a36200e80323eebbc1b3509233e1ccc28054d40c0419cdab6a9c9585ba7ec24d26dab2d74f0
- SSDEEP 768:QuflpT8AkKuWUch7wmo2q9LIz/yPqiPIpzjbVgX3iM3MXAvtFBDZTx:QuflpT8Hv2oc5p3byXSiUmdTx
- TLSH T1DD232A003BE9C127F2BE5F789DF26141467AF6632A03D68D1CC411DB5613BC68A52AFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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sextin.org:80
-
sextin.org:22
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sextin.org:8080
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sextin.org:8880
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sextin.org:2052
-
sextin.org:2082
-
sextin.org:2086
-
sextin.org:2095
-
sextin.org:443
-
sextin.org:2053
-
sextin.org:2083
-
sextin.org:2087
-
sextin.org:2096
-
sextin.org:8443
-
www.sextin.org:80
-
www.sextin.org:22
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www.sextin.org:8080
-
www.sextin.org:8880
-
www.sextin.org:2052
-
www.sextin.org:2082
-
www.sextin.org:2086
-
www.sextin.org:2095
-
www.sextin.org:443
-
www.sextin.org:2053
-
www.sextin.org:2083
-
www.sextin.org:2087
-
www.sextin.org:2096
-
www.sextin.org:8443
-
melissa.sextin.org:80
-
melissa.sextin.org:22
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melissa.sextin.org:8080
-
melissa.sextin.org:8880
-
melissa.sextin.org:2052
-
melissa.sextin.org:2082
-
melissa.sextin.org:2086
-
melissa.sextin.org:2095
-
melissa.sextin.org:443
-
melissa.sextin.org:2053
-
melissa.sextin.org:2083
-
melissa.sextin.org:2087
-
melissa.sextin.org:2096
-
melissa.sextin.org:8443
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clop.sextin.org:80
-
clop.sextin.org:22
-
clop.sextin.org:8080
-
clop.sextin.org:8880
-
clop.sextin.org:2052
-
clop.sextin.org:2082
-
clop.sextin.org:2086
-
clop.sextin.org:2095
-
clop.sextin.org:443
-
clop.sextin.org:2053
-
clop.sextin.org:2083
-
clop.sextin.org:2087
-
clop.sextin.org:2096
-
clop.sextin.org:8443
-
eRcU5m6LmiGp
-
delay
0
-
install
true
-
install_file
nfpppp1.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x000a0000000004e9-8.dat family_asyncrat behavioral1/memory/2600-10-0x00000000053A0000-0x00000000053B0000-memory.dmp family_asyncrat - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe - Executes dropped EXE 2 IoCs
pid Process 2600 nfpppp1.exe 2784 nfpppp1.exe - Outbound SSH connection to public host 2 TTPs 2 IoCs
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
description flow ioc pid Process SSH destination 19 104.21.12.195:22 2600 nfpppp1.exe SSH destination 42 172.67.195.161:22 2600 nfpppp1.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3848 cmd.exe 2884 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nfpppp1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nfpppp1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4632 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1544 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe Token: SeDebugPrivilege 2600 nfpppp1.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2220 wrote to memory of 3848 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 86 PID 2220 wrote to memory of 2884 2220 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe 88 PID 2884 wrote to memory of 4632 2884 cmd.exe 90 PID 3848 wrote to memory of 1544 3848 cmd.exe 91 PID 2884 wrote to memory of 2784 2884 cmd.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe"C:\Users\Admin\AppData\Local\Temp\15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nfpppp1" /tr '"C:\Users\Admin\AppData\Roaming\nfpppp1.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3848 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "nfpppp1" /tr '"C:\Users\Admin\AppData\Roaming\nfpppp1.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1544
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC6D5.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4632
-
-
C:\Users\Admin\AppData\Roaming\nfpppp1.exe"C:\Users\Admin\AppData\Roaming\nfpppp1.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2784
-
-
-
C:\Users\Admin\AppData\Roaming\nfpppp1.exe"C:\Users\Admin\AppData\Roaming\nfpppp1.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2600
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpC6D5.tmp.bat
- Size 151B
- SHA256 db661ea0e2dc436dfce26f907177d1c8fe551306ba896c8ee1ea72d83757d45b
- MD5 4068b0d33469f16321cfd053a2bc39e0
- SHA1 3320bf1a98030c7ca54173a8bd67fe70878a0a20
- SHA512 7d1afa88206231c882d13294686899a6774897ebce9afa3d5bd6a5aa69f543880b3c7244dd081def9bec45941a0e4bfac1e556c347ea142bc3ba458c45b312e0
- TLSH T1FCC08C8253C9AA5EA80A541302BAE49C91A26C2D3E40AB10C348840D2680489F4BA241
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\nfpppp1.exe
- Size 45KB
- SHA256 15c215d50c3690d52cf62e557da48528de4ff2d6b90469af2965996c0e25504b
- MD5 dd9735ccb141f97fdfc5c76056f30f9e
- SHA1 2312a3a0f780384a71304b1a60cce3d2c41d12ff
- SHA512 2cb93113e584fcda5ba400887c574ac2b7801ea8784de850de031a36200e80323eebbc1b3509233e1ccc28054d40c0419cdab6a9c9585ba7ec24d26dab2d74f0
- SSDEEP 768:QuflpT8AkKuWUch7wmo2q9LIz/yPqiPIpzjbVgX3iM3MXAvtFBDZTx:QuflpT8Hv2oc5p3byXSiUmdTx
- TLSH T1DD232A003BE9C127F2BE5F789DF26141467AF6632A03D68D1CC411DB5613BC68A52AFE
- MD5 SHA1 SHA512 SSDEEP TLSH