Analysis
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max time kernel
146s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
12-08-2023 08:57
Static task
static1
Behavioral task
behavioral1
Sample
0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe
Resource
win10v2004-20230703-en
General
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Target
0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe
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Size
927KB
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MD5
84176f70ad3712b0ad2aa449ba8c6341
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SHA1
783cb3d63e6e1933db92853f148df8828a11e5a3
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SHA256
0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d
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SHA512
dc8361f6c9ce7a3f23997137c54f75c906fc517bd34134e813ea1d5ec9191c16a1f2c8d233701b0d126927dfe669957723b63bf579b20e64b110ee425240cea4
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SSDEEP
24576:zdcfbRjPxvNP63JaGIPszNvGfhdZ7psbX7TPYD9lDC:+P63JIPs4fFWbrMD9lO
Malware Config
Signatures
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Ammyy Admin
Remote admin tool with various capabilities.
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AmmyyAdmin payload 2 IoCs
Processes:
resource yara_rule behavioral2/files/0x0002000000021ab7-1318.dat family_ammyyadmin behavioral2/files/0x0002000000021ab7-1324.dat family_ammyyadmin -
FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 1 IoCs
Processes:
svchost.exepid Process 2388 svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid Process 1044 rundll32.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
svchost.exedescription ioc Process File opened for modification \??\PhysicalDrive0 svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exedescription pid Process procid_target PID 2864 set thread context of 1512 2864 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 81 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exepid Process 1512 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 1512 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid Process 3236 -
Suspicious behavior: MapViewOfSection 33 IoCs
Processes:
0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exeexplorer.exepid Process 1512 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 3236 1388 explorer.exe 1388 explorer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exedescription pid Process Token: SeDebugPrivilege 2864 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
svchost.exepid Process 2388 svchost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exeexplorer.exedescription pid Process procid_target PID 2864 wrote to memory of 1512 2864 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 81 PID 2864 wrote to memory of 1512 2864 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 81 PID 2864 wrote to memory of 1512 2864 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 81 PID 2864 wrote to memory of 1512 2864 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 81 PID 2864 wrote to memory of 1512 2864 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 81 PID 2864 wrote to memory of 1512 2864 0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe 81 PID 3236 wrote to memory of 4404 3236 90 PID 3236 wrote to memory of 4404 3236 90 PID 3236 wrote to memory of 4404 3236 90 PID 3236 wrote to memory of 4404 3236 90 PID 3236 wrote to memory of 3204 3236 91 PID 3236 wrote to memory of 3204 3236 91 PID 3236 wrote to memory of 3204 3236 91 PID 3236 wrote to memory of 2892 3236 92 PID 3236 wrote to memory of 2892 3236 92 PID 3236 wrote to memory of 2892 3236 92 PID 3236 wrote to memory of 2892 3236 92 PID 3236 wrote to memory of 440 3236 93 PID 3236 wrote to memory of 440 3236 93 PID 3236 wrote to memory of 440 3236 93 PID 3236 wrote to memory of 440 3236 93 PID 3236 wrote to memory of 3496 3236 94 PID 3236 wrote to memory of 3496 3236 94 PID 3236 wrote to memory of 3496 3236 94 PID 3236 wrote to memory of 3496 3236 94 PID 3236 wrote to memory of 724 3236 95 PID 3236 wrote to memory of 724 3236 95 PID 3236 wrote to memory of 724 3236 95 PID 3236 wrote to memory of 3812 3236 96 PID 3236 wrote to memory of 3812 3236 96 PID 3236 wrote to memory of 3812 3236 96 PID 3236 wrote to memory of 3812 3236 96 PID 3236 wrote to memory of 412 3236 97 PID 3236 wrote to memory of 412 3236 97 PID 3236 wrote to memory of 412 3236 97 PID 3236 wrote to memory of 1472 3236 98 PID 3236 wrote to memory of 1472 3236 98 PID 3236 wrote to memory of 1472 3236 98 PID 3236 wrote to memory of 1472 3236 98 PID 3236 wrote to memory of 4480 3236 99 PID 3236 wrote to memory of 4480 3236 99 PID 3236 wrote to memory of 4480 3236 99 PID 3236 wrote to memory of 3608 3236 100 PID 3236 wrote to memory of 3608 3236 100 PID 3236 wrote to memory of 3608 3236 100 PID 3236 wrote to memory of 3608 3236 100 PID 3236 wrote to memory of 5028 3236 101 PID 3236 wrote to memory of 5028 3236 101 PID 3236 wrote to memory of 5028 3236 101 PID 3236 wrote to memory of 5028 3236 101 PID 3236 wrote to memory of 5076 3236 102 PID 3236 wrote to memory of 5076 3236 102 PID 3236 wrote to memory of 5076 3236 102 PID 3236 wrote to memory of 5076 3236 102 PID 3236 wrote to memory of 1312 3236 103 PID 3236 wrote to memory of 1312 3236 103 PID 3236 wrote to memory of 1312 3236 103 PID 3236 wrote to memory of 1388 3236 104 PID 3236 wrote to memory of 1388 3236 104 PID 3236 wrote to memory of 1388 3236 104 PID 3236 wrote to memory of 1388 3236 104 PID 1388 wrote to memory of 2388 1388 explorer.exe 105 PID 1388 wrote to memory of 2388 1388 explorer.exe 105 PID 1388 wrote to memory of 2388 1388 explorer.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe"C:\Users\Admin\AppData\Local\Temp\0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Users\Admin\AppData\Local\Temp\0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exeC:\Users\Admin\AppData\Local\Temp\0f79da23dc318670dcd4f8709d04826420b50bbdb080a2fff7573e11a875b22d.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1512
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4404
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:3204
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2892
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:440
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3496
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:724
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3812
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:412
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1472
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4480
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3608
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:5028
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:5076
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1312
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Users\Admin\AppData\Local\Temp\2205.tmp\svchost.exeC:\Users\Admin\AppData\Local\Temp\2205.tmp\svchost.exe -debug2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of FindShellTrayWindow
PID:2388 -
C:\Windows\SYSTEM32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\2205.tmp\aa_nts.dll",run3⤵
- Loads dropped DLL
PID:1044
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C:\Users\Admin\AppData\Roaming\huducteC:\Users\Admin\AppData\Roaming\huducte1⤵PID:3952
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
902KB
MD5480a66902e6e7cdafaa6711e8697ff8c
SHA16ac730962e7c1dba9e2ecc5733a506544f3c8d11
SHA2567eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5
SHA5127d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5
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Filesize
902KB
MD5480a66902e6e7cdafaa6711e8697ff8c
SHA16ac730962e7c1dba9e2ecc5733a506544f3c8d11
SHA2567eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5
SHA5127d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5
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Filesize
46B
MD53f05819f995b4dafa1b5d55ce8d1f411
SHA1404449b79a16bfc4f64f2fd55cd73d5d27a85d71
SHA2567e0bf0cbd06a087500a9c3b50254df3a8a2c2980921ab6a62ab1121941c80fc0
SHA51234abb7df8b3a68e1649ff0d2762576a4d4e65da548e74b1aa65c2b82c1b89f90d053ecddac67c614ca6084dc5b2cb552949250fb70f49b536f1bcb0057717026
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Filesize
798KB
MD590aadf2247149996ae443e2c82af3730
SHA1050b7eba825412b24e3f02d76d7da5ae97e10502
SHA256ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a
SHA512eec32bb82b230dd309c29712e72d4469250e651449e127479d178eddbafd5a46ec8048a753bc2c1a0fdf1dc3ed72a9453ca66fb49cbf0f95a12704e5427182be
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Filesize
798KB
MD590aadf2247149996ae443e2c82af3730
SHA1050b7eba825412b24e3f02d76d7da5ae97e10502
SHA256ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a
SHA512eec32bb82b230dd309c29712e72d4469250e651449e127479d178eddbafd5a46ec8048a753bc2c1a0fdf1dc3ed72a9453ca66fb49cbf0f95a12704e5427182be
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Filesize
354KB
MD59ce7c633c41750e2943770e5d4d6194f
SHA170cbf7712c58510832271e920a45e3d3aca45ede
SHA2563fc32a755f551b2f14b66d7366c4a778f34ba9a11c60ba0081ac059cf59f7060
SHA512445cce8ce7981d9c49996b50d722716eacae860cd1fcd63597c372e4deaf6cce4fb3b59ef9666cb9a6c5a49c82c635bb9af93e6789c47d1372912c3449dbb3ea
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Filesize
54KB
MD51c70b5c9cfc26fdb8422b97ad7d57eaf
SHA10db3690492db5bfe2d71c302971119ca93dad1de
SHA256759df6fde8881cfa48ec914ffb4dc25c3ed546fc13e2560985a12a580289ea21
SHA5128321bd6ccc7b6e4f309e7f6946a2d5a8e4a5f90e58fa8ec967aad2e150be12a2ce1a40485cf655fe45429e697e29db218f7d2cf3b0db84abae16c6b57993acaf