Analysis
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max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
31/10/2024, 02:57
Behavioral task
behavioral1
Sample
9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe
Resource
win10v2004-20241007-en
General
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Target
9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe
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Size
59KB
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MD5
f07609d1a6f7fa4ba49a665f263bfcb0
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SHA1
71003abc78404a765d2c80800ba471fc7c3565d0
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SHA256
9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082
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SHA512
d62b81db5f4314efe9879efa05d5345f42d38ef603321b8020e90489cb225e82696ecf40dc53c0b471356c113e2d14e1edac3fde941931f8cc61997fe551a2ac
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SSDEEP
1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQH:OeodiUO4p13b9HiIeoutuh1aQH
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2644 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 316 AhnSvc.exe -
Loads dropped DLL 2 IoCs
pid Process 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate = "\"C:\\ProgramData\\AhnLab\\AhnSvc.exe\" /run" 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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resource yara_rule behavioral1/memory/2204-0-0x0000000000D80000-0x0000000000DA7000-memory.dmp upx behavioral1/files/0x0008000000016cc4-2.dat upx behavioral1/memory/2204-4-0x00000000000E0000-0x0000000000107000-memory.dmp upx behavioral1/memory/316-10-0x00000000012B0000-0x00000000012D7000-memory.dmp upx behavioral1/memory/2204-14-0x0000000000D80000-0x0000000000DA7000-memory.dmp upx behavioral1/memory/316-16-0x00000000012B0000-0x00000000012D7000-memory.dmp upx behavioral1/memory/316-18-0x00000000012B0000-0x00000000012D7000-memory.dmp upx behavioral1/memory/2204-22-0x0000000000D80000-0x0000000000DA7000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe Token: SeDebugPrivilege 316 AhnSvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2204 wrote to memory of 316 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 30 PID 2204 wrote to memory of 316 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 30 PID 2204 wrote to memory of 316 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 30 PID 2204 wrote to memory of 316 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 30 PID 2204 wrote to memory of 2644 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 32 PID 2204 wrote to memory of 2644 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 32 PID 2204 wrote to memory of 2644 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 32 PID 2204 wrote to memory of 2644 2204 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe"C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\ProgramData\AhnLab\AhnSvc.exe"C:\ProgramData\AhnLab\AhnSvc.exe" /run2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:316
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe" >> NUL2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2644
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD5565b0411afe4ce0349d9d6d00032a44d
SHA1da221c3c8867885a25dec26139cd1de82da2b3d7
SHA256332357e293648ebaae17ee576cabb1811453b936d4c3b2d9c568ecb697abd710
SHA5122c32987edde00c78174373c772c3ca78c622667d68d6fc1bdbf79242f420d79d0dfa62360afd95eae1e39a1e09f08df4f50a650f462454c56c445e1958855715