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Analysis
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max time kernel
1800s -
max time network
1796s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
05/04/2023, 07:25
General
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Target
cfgtbvh.exe
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Size
237KB
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MD5
51b3cddd75069bda9deb36fd539442e2
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SHA1
a5183c20f329a3ea3726ce2c8300b0f2654ab531
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SHA256
f0098ef0f31aa50b097bfb3ac7e420c518a697394a0ffed54640a55045263fa9
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SHA512
50e78682a53f0ef631e7faaf2892057b35e5895afee8d8520f2a3a49f99e239912bef67e8ebe70b099528b5a1753a06aad0675bc3dec64b9a2e7b605ced2d06c
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SSDEEP
6144:DL3v+mWnRzxvqRYwqgft1rSVsMAdaV/BaW:D7v+myRtqRYRgX20di/F
Malware Config
Extracted
smokeloader
pub4
Extracted
smokeloader
2022
http://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
bumblebee
inst
194.15.216.247:443
23.106.215.141:443
104.168.244.96:443
51.83.255.85:443
192.119.81.86:443
Signatures
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BumbleBee
BumbleBee is a webshell malware written in C++.
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Detect rhadamanthys stealer shellcode 4 IoCs
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Detects win.bumblebee. 3 IoCs
Detects BumbleBee Payload.
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Downloads MZ/PE file
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Executes dropped EXE 5 IoCs
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Program crash 1 IoCs
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Checks SCSI registry key(s) 3 TTPs 12 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Modifies registry class 2 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 4 IoCs
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Suspicious use of AdjustPrivilegeToken 30 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\cfgtbvh.exe"C:\Users\Admin\AppData\Local\Temp\cfgtbvh.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\CC4D.exeC:\Users\Admin\AppData\Local\Temp\CC4D.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\dllhost.exe"C:\Windows\system32\dllhost.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 7282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4672 -ip 46721⤵
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C:\Users\Admin\AppData\Local\Temp\3693.exeC:\Users\Admin\AppData\Local\Temp\3693.exe1⤵
- Executes dropped EXE
- Suspicious use of NtCreateThreadExHideFromDebugger
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C:\Users\Admin\AppData\Roaming\gvafvhcC:\Users\Admin\AppData\Roaming\gvafvhc1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Roaming\gvafvhcC:\Users\Admin\AppData\Roaming\gvafvhc1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Roaming\gvafvhcC:\Users\Admin\AppData\Roaming\gvafvhc1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.6MB
MD51eb4bd24c3d02a38a333eaeee4b9b49d
SHA13c85c03088b07bfcbbe969af0cbdde9bd26e69d8
SHA25635f2ec59313bbe5b78e4b043f06f8961f6f3e77b870544d15ee7cc1fca987d8c
SHA5123581aa74972f21bf22191181a9db68ec6db1071b153ee4a40519129b34c6be3cdbe32e3a65d4ad64f20bd224fb2d2f91e72139b250b69a0c80456f80a3c2cff5
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Filesize
1.6MB
MD51eb4bd24c3d02a38a333eaeee4b9b49d
SHA13c85c03088b07bfcbbe969af0cbdde9bd26e69d8
SHA25635f2ec59313bbe5b78e4b043f06f8961f6f3e77b870544d15ee7cc1fca987d8c
SHA5123581aa74972f21bf22191181a9db68ec6db1071b153ee4a40519129b34c6be3cdbe32e3a65d4ad64f20bd224fb2d2f91e72139b250b69a0c80456f80a3c2cff5
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Filesize
273KB
MD59cd6224b6ba301601ffe3fee81c5e287
SHA17579d8bc7349029572179f446aa0851bcdd99a97
SHA2564ae5240ae6b5a8d2cdea30394ed31319bbd703e906b6ecdf009769d8defcd9d8
SHA5126d50408beaef63dc159be894c38572b54fe92a78c41ea1eb6556e34af2332a391e5d5a8c8d1264656e4e4af06c84c9e3c093d6d232795ccdd6a735f4c10cb758
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Filesize
273KB
MD59cd6224b6ba301601ffe3fee81c5e287
SHA17579d8bc7349029572179f446aa0851bcdd99a97
SHA2564ae5240ae6b5a8d2cdea30394ed31319bbd703e906b6ecdf009769d8defcd9d8
SHA5126d50408beaef63dc159be894c38572b54fe92a78c41ea1eb6556e34af2332a391e5d5a8c8d1264656e4e4af06c84c9e3c093d6d232795ccdd6a735f4c10cb758
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Filesize
237KB
MD551b3cddd75069bda9deb36fd539442e2
SHA1a5183c20f329a3ea3726ce2c8300b0f2654ab531
SHA256f0098ef0f31aa50b097bfb3ac7e420c518a697394a0ffed54640a55045263fa9
SHA51250e78682a53f0ef631e7faaf2892057b35e5895afee8d8520f2a3a49f99e239912bef67e8ebe70b099528b5a1753a06aad0675bc3dec64b9a2e7b605ced2d06c
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Filesize
237KB
MD551b3cddd75069bda9deb36fd539442e2
SHA1a5183c20f329a3ea3726ce2c8300b0f2654ab531
SHA256f0098ef0f31aa50b097bfb3ac7e420c518a697394a0ffed54640a55045263fa9
SHA51250e78682a53f0ef631e7faaf2892057b35e5895afee8d8520f2a3a49f99e239912bef67e8ebe70b099528b5a1753a06aad0675bc3dec64b9a2e7b605ced2d06c
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Filesize
237KB
MD551b3cddd75069bda9deb36fd539442e2
SHA1a5183c20f329a3ea3726ce2c8300b0f2654ab531
SHA256f0098ef0f31aa50b097bfb3ac7e420c518a697394a0ffed54640a55045263fa9
SHA51250e78682a53f0ef631e7faaf2892057b35e5895afee8d8520f2a3a49f99e239912bef67e8ebe70b099528b5a1753a06aad0675bc3dec64b9a2e7b605ced2d06c
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Filesize
237KB
MD551b3cddd75069bda9deb36fd539442e2
SHA1a5183c20f329a3ea3726ce2c8300b0f2654ab531
SHA256f0098ef0f31aa50b097bfb3ac7e420c518a697394a0ffed54640a55045263fa9
SHA51250e78682a53f0ef631e7faaf2892057b35e5895afee8d8520f2a3a49f99e239912bef67e8ebe70b099528b5a1753a06aad0675bc3dec64b9a2e7b605ced2d06c
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Filesize
36KB
-
Filesize
3.9MB
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Filesize
4KB
-
Filesize
1000KB
-
Filesize
1000KB
-
Filesize
28KB
-
Filesize
1000KB
-
Filesize
1000KB
-
Filesize
1000KB
-
Filesize
1000KB
-
Filesize
1.4MB
-
Filesize
584KB
-
Filesize
1.4MB
-
Filesize
1.4MB
-
Filesize
3.9MB
-
Filesize
3.9MB
-
Filesize
88KB
-
Filesize
88KB
-
Filesize
88KB
-
Filesize
88KB
-
Filesize
3.9MB
-
Filesize
8KB
-
Filesize
716KB
-
Filesize
112KB
-
Filesize
184KB
-
Filesize
112KB
-
Filesize
112KB
-
Filesize
112KB
-
Filesize
8KB
-
Filesize
716KB