Analysis
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max time kernel
138s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/08/2022, 22:32
Static task
static1
Behavioral task
behavioral1
Sample
B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
Resource
win7-20220812-en
General
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Target
B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
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Size
747KB
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MD5
4f3b19fb5b969de21269ab250ce4f017
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SHA1
0df23eb61ff6dc91a5b5bab3d7a5968c37a67ce4
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SHA256
b10fddacee9920ac4bd5bfdd19e07124e2830b0974c080ee64abaf9626602be1
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SHA512
64afc0a5fa504b903e92183ae3e5e2cfe84a5eb3b61a0b3d568832f47a3c3275e93022907d484f5b78bcaec16a2f56e334bc0a5fef79e977a62ed5c40e2a0b78
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SSDEEP
12288:+/PcsxzMIgn3gnBWEGBypwsLjN7WDkAQfYxdEZB8hca3pKp4cI:YFHnBWEGByp5jN7WDzQgdEZB8hcaiG
Malware Config
Extracted
njrat
0.7NC
NYAN CAT
fur1a.duckdns.org:1995
bc44c55f6c2c4b43
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reg_key
bc44c55f6c2c4b43
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splitter
@!#&^%$
Signatures
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1092 set thread context of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1148 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 1288 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe Token: 33 1288 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe Token: SeIncBasePriorityPrivilege 1288 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe Token: 33 1288 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe Token: SeIncBasePriorityPrivilege 1288 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe Token: 33 1288 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe Token: SeIncBasePriorityPrivilege 1288 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe Token: 33 1288 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe Token: SeIncBasePriorityPrivilege 1288 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1092 wrote to memory of 1148 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 26 PID 1092 wrote to memory of 1148 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 26 PID 1092 wrote to memory of 1148 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 26 PID 1092 wrote to memory of 1148 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 26 PID 1092 wrote to memory of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28 PID 1092 wrote to memory of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28 PID 1092 wrote to memory of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28 PID 1092 wrote to memory of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28 PID 1092 wrote to memory of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28 PID 1092 wrote to memory of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28 PID 1092 wrote to memory of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28 PID 1092 wrote to memory of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28 PID 1092 wrote to memory of 1288 1092 B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WABDXeNNV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5504.tmp"2⤵
- Creates scheduled task(s)
PID:1148
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C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1288
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5eb24cef2a28d5b5902dc7ec0d6dba1c7
SHA173dab909e503db0b7ea78e91b04783b8cbaac32f
SHA2560b10887ccecfa33b4194c82b212cb7853cff088ae9609afea6b6c5c0b1f691c1
SHA5124a36bddc329ff5f28d52d4aa78f8c2a50be06ea9713036c5a5f40dc2f37cefe6ec436e88737f082e27cb7e289d7fd4d80cd359be22785042f1551f238e0c4848