Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/06/2026, 16:26
Behavioral task
behavioral1
Sample
7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe
Resource
win11-20260513-en
General
- Target 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe
- Size 45KB
- Sample260601-txj8jsbx7m
- SHA256 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b
- MD5 2203d8ddfd9f353e88f1c7be3cdffd75
- SHA1 f2399d226121119ab50396dcd2a8bc190a08f0e0
- SHA512 46f4a70092d6289b12261a4b2df5825f27a6216066e0186a5a99c0299afd94a66a5078bf7d8d094564ec3c5cccb00db039d62898a77a13f2b2336701cd521d7b
- SSDEEP 768:YubC1TU8wlvWUjJ9Nmo2qNJHO9YjoHPICYzjbOgX3i7UTvFxAktCh4pc1+QrOBDD:YubC1TU/P2p6kgCY3bxXSc1m4e1DAdrx
- TLSH T1ED232C0037E8C12BF2BE4F78A9F26145867AF6633603DA4A1CC451D75623FC69A426FD
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
javhd.blog:443
-
javhd.blog:80
-
www.javhd.blog:443
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www.javhd.blog:80
-
wannacry.javhd.blog:443
-
wannacry.javhd.blog:80
-
rat.javhd.blog:443
-
rat.javhd.blog:80
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blacklotus.javhd.blog:443
-
blacklotus.javhd.blog:80
-
gozi.javhd.blog:443
-
gozi.javhd.blog:80
-
GHVJrTqQeHok
-
delay
0
-
install
true
-
install_file
cffmyy.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x002300000002b39f-8.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 1620 cffmyy.exe 356 cffmyy.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe 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 cffmyy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cffmyy.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4740 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 4760 schtasks.exe - Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe Token: SeDebugPrivilege 1620 cffmyy.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5212 wrote to memory of 2176 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 80 PID 5212 wrote to memory of 2420 5212 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe 82 PID 2420 wrote to memory of 4740 2420 cmd.exe 84 PID 2176 wrote to memory of 4760 2176 cmd.exe 85 PID 2420 wrote to memory of 356 2420 cmd.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe"C:\Users\Admin\AppData\Local\Temp\7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5212 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cffmyy" /tr '"C:\Users\Admin\AppData\Roaming\cffmyy.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "cffmyy" /tr '"C:\Users\Admin\AppData\Roaming\cffmyy.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4760
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp25B3.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4740
-
-
C:\Users\Admin\AppData\Roaming\cffmyy.exe"C:\Users\Admin\AppData\Roaming\cffmyy.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:356
-
-
-
C:\Users\Admin\AppData\Roaming\cffmyy.exe"C:\Users\Admin\AppData\Roaming\cffmyy.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1620
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp25B3.tmp.bat
- Size 150B
- SHA256 ee4152ca8f015e775745b7992535a3081c7b3f78dd3a9e9a28ab51ffb7eda26e
- MD5 c4efb03ff84780eb8cd696c1f98db23a
- SHA1 51c90e44853cf1fa5c4dceddf1293871377cb871
- SHA512 1d7393d3bdacf383e4b7450df6a4577aec4e25ea41272947899e949ca53c8228e0f678f506e0f9d1844326ff675da762eabe5c7bad6f0b2b25d0b17bd0dff063
- TLSH T1AEC08C92A1C6AA2E2805282302BAD48DA1A2AC593F40BB10870488091680858F29A286
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\cffmyy.exe
- Size 45KB
- SHA256 7ac6369f2edfec8b93ad0b165ee0d30c471ba5a622ba3b8f499203be5f91f80b
- MD5 2203d8ddfd9f353e88f1c7be3cdffd75
- SHA1 f2399d226121119ab50396dcd2a8bc190a08f0e0
- SHA512 46f4a70092d6289b12261a4b2df5825f27a6216066e0186a5a99c0299afd94a66a5078bf7d8d094564ec3c5cccb00db039d62898a77a13f2b2336701cd521d7b
- SSDEEP 768:YubC1TU8wlvWUjJ9Nmo2qNJHO9YjoHPICYzjbOgX3i7UTvFxAktCh4pc1+QrOBDD:YubC1TU/P2p6kgCY3bxXSc1m4e1DAdrx
- TLSH T1ED232C0037E8C12BF2BE4F78A9F26145867AF6633603DA4A1CC451D75623FC69A426FD
- MD5 SHA1 SHA512 SSDEEP TLSH