Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
18/10/2024, 19:33
Behavioral task
behavioral1
Sample
749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe
Resource
win7-20240903-en
windows7-x64
10 signatures
150 seconds
General
- Target 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe
- Size 80KB
- Sample241018-x9vftswerl
- SHA256 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca
- MD5 2bfc41fc744cef02880c43394e17751e
- SHA1 35c296e0fbd6ed77b9dab7ece016e8306c26512a
- SHA512 d3387fafbd4e9ea76e9d32b24f2e7ea61e3f95263e3e52904f008b74357cebd6c75d9521389406337d9dda8ef2687f02d63e99ed95c1657aec763122d0f9eed7
- SSDEEP 1536:ITJxjZZ29Up2U7O0Ov15+o46zqMi9G7WXnQQvaWh3zWKfx/t126a631:SHZ2up5JkH+o46LuRXnLdpzp/tg6Z31
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detect Blackmoon payload 2 IoCs
resource yara_rule behavioral2/memory/3808-14-0x0000000000400000-0x000000000046E000-memory.dmp family_blackmoon behavioral2/memory/4948-16-0x0000000000400000-0x000000000046E000-memory.dmp family_blackmoon - 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe - Deletes itself 1 IoCs
pid Process 4948 Syslemfjhdm.exe - Executes dropped EXE 1 IoCs
pid Process 4948 Syslemfjhdm.exe -
resource yara_rule behavioral2/memory/3808-0-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral2/files/0x0008000000023cc1-9.dat upx behavioral2/memory/3808-14-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral2/memory/4948-16-0x0000000000400000-0x000000000046E000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Syslemfjhdm.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe 4948 Syslemfjhdm.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3808 wrote to memory of 4948 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 87 PID 3808 wrote to memory of 4948 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 87 PID 3808 wrote to memory of 4948 3808 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe"C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3808 -
C:\Users\Admin\AppData\Local\Temp\Syslemfjhdm.exe"C:\Users\Admin\AppData\Local\Temp\Syslemfjhdm.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4948
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\Syslemfjhdm.exe
- Size 80KB
- SHA256 005021d5ceab9a1a70ba2da4ee5d03c2fd498915fc8abdd0008f0ec70fdb2384
- MD5 b1561b8097825001868a411d13b246ac
- SHA1 e1200afabfe8e64a501a7fbadd841d69b7b86283
- SHA512 1d8d5566f31a82fb45662c449f10e1c05d8da8665313ce553bb15610867e21b38965d9da3f20c11f1008dfabf4ea80f700d68abce9a146d16bf5d1231f82221a
- SSDEEP 1536:ITJxjZZ29Up2U7O0Ov15+o46zqMi9G7WXnQQvaWh3zWKfx/t126a63b:SHZ2up5JkH+o46LuRXnLdpzp/tg6Z3b
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\lpath.ini
- Size 102B
- SHA256 cbba1a97f432a53f3618722a406b77fba78e4f5c61a0d07145e894043a2a0cc0
- MD5 fb8abda925a7cb9a18da9e549724471d
- SHA1 0c21ff317ab37de37e6b1a395e2a84700cf57ba0
- SHA512 b230ef8fb52fc6eca54b1319df6a8344deb4dcfa23b645dc99deca9ed71976996951bb7b3a2cb6f92293cbb09e36c47ce1954a0bfbd0552539778b1e1950b3ec
- MD5 SHA1 SHA512