Analysis
-
max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2022 00:35
Static task
static1
Behavioral task
behavioral1
Sample
938374740_PDF.exe
Resource
win7-20220812-en
General
-
Target
938374740_PDF.exe
-
Size
300.0MB
-
MD5
91de6f0d77d97cbf756d6b5e2c29b573
-
SHA1
3895e4fdae53ace4cc7514a1c4866464d04d52f3
-
SHA256
b64ecd4756874ec0df90e539ae373ab6bff4d7801be63fe2a51389119cf6251d
-
SHA512
bc689c4a0f3fc7261df147bf34f8a437637ce7990dbc108ed6ed3ac73b7f93eb944e6af29216aedb1f64b54b163a91d1e0b602b70963c44ff143ee48f5338b0b
-
SSDEEP
49152:SbmoBeVPECiSWEKMjBBy2dKsThqnR1UUUUUJUUUUUU:+BQiSZNBy2MUUUUUJUUUUUU
Malware Config
Extracted
bitrat
1.38
bitone9090.duckdns.org:9090
-
communication_password
e10adc3949ba59abbe56e057f20f883e
-
tor_process
tor
Signatures
-
Executes dropped EXE 2 IoCs
Processes:
jkgtr.exejkgtr.exepid process 3676 jkgtr.exe 1308 jkgtr.exe -
Processes:
resource yara_rule behavioral2/memory/3648-139-0x0000000000510000-0x00000000008F4000-memory.dmp upx behavioral2/memory/3648-140-0x0000000000510000-0x00000000008F4000-memory.dmp upx behavioral2/memory/2780-147-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/2780-148-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/2780-149-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/2780-150-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/2780-151-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/2780-154-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
RegAsm.exepid process 2780 RegAsm.exe 2780 RegAsm.exe 2780 RegAsm.exe 2780 RegAsm.exe 2780 RegAsm.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
938374740_PDF.exejkgtr.exedescription pid process target process PID 1284 set thread context of 3648 1284 938374740_PDF.exe RegAsm.exe PID 3676 set thread context of 2780 3676 jkgtr.exe RegAsm.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1968 3648 WerFault.exe RegAsm.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeShutdownPrivilege 2780 RegAsm.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
RegAsm.exepid process 2780 RegAsm.exe 2780 RegAsm.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
938374740_PDF.execmd.exejkgtr.execmd.exedescription pid process target process PID 1284 wrote to memory of 2344 1284 938374740_PDF.exe cmd.exe PID 1284 wrote to memory of 2344 1284 938374740_PDF.exe cmd.exe PID 1284 wrote to memory of 2344 1284 938374740_PDF.exe cmd.exe PID 2344 wrote to memory of 4508 2344 cmd.exe schtasks.exe PID 2344 wrote to memory of 4508 2344 cmd.exe schtasks.exe PID 2344 wrote to memory of 4508 2344 cmd.exe schtasks.exe PID 1284 wrote to memory of 3428 1284 938374740_PDF.exe cmd.exe PID 1284 wrote to memory of 3428 1284 938374740_PDF.exe cmd.exe PID 1284 wrote to memory of 3428 1284 938374740_PDF.exe cmd.exe PID 1284 wrote to memory of 3648 1284 938374740_PDF.exe RegAsm.exe PID 1284 wrote to memory of 3648 1284 938374740_PDF.exe RegAsm.exe PID 1284 wrote to memory of 3648 1284 938374740_PDF.exe RegAsm.exe PID 1284 wrote to memory of 3648 1284 938374740_PDF.exe RegAsm.exe PID 1284 wrote to memory of 3648 1284 938374740_PDF.exe RegAsm.exe PID 1284 wrote to memory of 3648 1284 938374740_PDF.exe RegAsm.exe PID 1284 wrote to memory of 3648 1284 938374740_PDF.exe RegAsm.exe PID 3676 wrote to memory of 2812 3676 jkgtr.exe cmd.exe PID 3676 wrote to memory of 2812 3676 jkgtr.exe cmd.exe PID 3676 wrote to memory of 2812 3676 jkgtr.exe cmd.exe PID 3676 wrote to memory of 3444 3676 jkgtr.exe cmd.exe PID 3676 wrote to memory of 3444 3676 jkgtr.exe cmd.exe PID 3676 wrote to memory of 3444 3676 jkgtr.exe cmd.exe PID 2812 wrote to memory of 388 2812 cmd.exe schtasks.exe PID 2812 wrote to memory of 388 2812 cmd.exe schtasks.exe PID 2812 wrote to memory of 388 2812 cmd.exe schtasks.exe PID 3676 wrote to memory of 2780 3676 jkgtr.exe RegAsm.exe PID 3676 wrote to memory of 2780 3676 jkgtr.exe RegAsm.exe PID 3676 wrote to memory of 2780 3676 jkgtr.exe RegAsm.exe PID 3676 wrote to memory of 2780 3676 jkgtr.exe RegAsm.exe PID 3676 wrote to memory of 2780 3676 jkgtr.exe RegAsm.exe PID 3676 wrote to memory of 2780 3676 jkgtr.exe RegAsm.exe PID 3676 wrote to memory of 2780 3676 jkgtr.exe RegAsm.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\938374740_PDF.exe"C:\Users\Admin\AppData\Local\Temp\938374740_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\jkgtr.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\jkgtr.exe'" /f3⤵
- Creates scheduled task(s)
PID:4508 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\938374740_PDF.exe" "C:\Users\Admin\AppData\Roaming\jkgtr.exe"2⤵PID:3428
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3648
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 5403⤵
- Program crash
PID:1968
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3648 -ip 36481⤵PID:4680
-
C:\Users\Admin\AppData\Roaming\jkgtr.exeC:\Users\Admin\AppData\Roaming\jkgtr.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\jkgtr.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\jkgtr.exe'" /f3⤵
- Creates scheduled task(s)
PID:388 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Roaming\jkgtr.exe" "C:\Users\Admin\AppData\Roaming\jkgtr.exe"2⤵PID:3444
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2780
-
C:\Users\Admin\AppData\Roaming\jkgtr.exeC:\Users\Admin\AppData\Roaming\jkgtr.exe1⤵
- Executes dropped EXE
PID:1308
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
520B
MD541c37de2b4598f7759f865817dba5f80
SHA1884ccf344bc2dd409425dc5ace0fd909a5f8cce4
SHA256427235491a8da3fc8770ed60d30af731835c94585cd08d4d81fca9f703b283bc
SHA512a8f3c74916623de100e4cf22e05df9cdf541b1e32443aab0434f35fb9c4a7fa950b997ce589b532e65731ae471a1f152cd5c00ea1df4bd7a6b57eb27c93c54bd
-
Filesize
300.0MB
MD591de6f0d77d97cbf756d6b5e2c29b573
SHA13895e4fdae53ace4cc7514a1c4866464d04d52f3
SHA256b64ecd4756874ec0df90e539ae373ab6bff4d7801be63fe2a51389119cf6251d
SHA512bc689c4a0f3fc7261df147bf34f8a437637ce7990dbc108ed6ed3ac73b7f93eb944e6af29216aedb1f64b54b163a91d1e0b602b70963c44ff143ee48f5338b0b
-
Filesize
300.0MB
MD591de6f0d77d97cbf756d6b5e2c29b573
SHA13895e4fdae53ace4cc7514a1c4866464d04d52f3
SHA256b64ecd4756874ec0df90e539ae373ab6bff4d7801be63fe2a51389119cf6251d
SHA512bc689c4a0f3fc7261df147bf34f8a437637ce7990dbc108ed6ed3ac73b7f93eb944e6af29216aedb1f64b54b163a91d1e0b602b70963c44ff143ee48f5338b0b
-
Filesize
247.0MB
MD5b197a9f8a7a03ada1e2fa4524e055161
SHA10dbc78a4cac2d8735cfed987b7b58eaab5a9cdb1
SHA256320dddb62ad579778efbae4c3bb62974da22ca136cdd1972a1f41dd2949f48f1
SHA512643761795a567ba97c639fd9e7f3c7cb3216430a4bb43bf1d311e7200c057ba97ef984e83b3a1ca097e60a4f708e51624a1a484c3e78b4c800bf4ef466b9d829