Analysis Overview
SHA256
377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1
Threat Level: Known bad
The file 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
ModiLoader Second Stage
UPX packed file
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-04 03:30
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-04 03:30
Reported
2024-07-04 03:33
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
ModiLoader, DBatLoader
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4284 set thread context of 3208 | N/A | C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe | C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe |
| PID 2920 set thread context of 3800 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 2920 set thread context of 3720 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe
"C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4000,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8
C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe
"C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LTHSI.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | 25.73.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
Files
memory/4284-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4284-4-0x0000000002A30000-0x0000000002A32000-memory.dmp
memory/4284-3-0x00000000022D0000-0x00000000022D2000-memory.dmp
memory/3208-6-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4284-7-0x0000000002A50000-0x0000000002A52000-memory.dmp
memory/4284-5-0x0000000002A40000-0x0000000002A42000-memory.dmp
memory/3208-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3208-11-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4284-12-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\LTHSI.txt
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | a30d19fd2e539901f9c4807fbdd96f59 |
| SHA1 | acb96cd129b8a17266e2217d15eef2269c4b1c23 |
| SHA256 | bee28ad696ff2e604cdd1e247fe7a6cd7030b51fcf5325c20154f8c7068650d1 |
| SHA512 | 1bb2daa0794624c62757b014688ce91418922a4f5c7888e7fc80a8bb39ad00d9c23febf8420b0a9c3fab8128fe6100fbd37110da9397b4d70691567be17e3052 |
memory/2920-36-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3720-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2920-45-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3720-50-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3720-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3720-51-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3720-54-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3208-58-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3800-59-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3720-60-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-04 03:30
Reported
2024-07-04 03:33
Platform
win7-20240611-en
Max time kernel
149s
Max time network
119s
Command Line
Signatures
ModiLoader, DBatLoader
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
Loads dropped DLL
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2372 set thread context of 2420 | N/A | C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe | C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe |
| PID 1740 set thread context of 584 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 1740 set thread context of 1744 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe
"C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe"
C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe
"C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\GLYHH.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
Files
memory/2372-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2372-3-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2372-5-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2372-21-0x0000000000404000-0x0000000000405000-memory.dmp
memory/2372-15-0x0000000000250000-0x0000000000251000-memory.dmp
memory/2372-60-0x0000000000360000-0x0000000000361000-memory.dmp
memory/2372-88-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2372-78-0x00000000003B0000-0x00000000003B2000-memory.dmp
memory/2372-70-0x0000000000380000-0x0000000000381000-memory.dmp
memory/2372-40-0x0000000000320000-0x0000000000321000-memory.dmp
memory/2372-28-0x0000000000280000-0x0000000000281000-memory.dmp
memory/2420-89-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2420-100-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2420-103-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2372-102-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2420-99-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2420-97-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2420-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2420-93-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2420-91-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\GLYHH.bat
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | 7cdec885e203801f4bae0ac5658069da |
| SHA1 | f8f360d6764aac1fc45060dea91760be1c1f98ac |
| SHA256 | 2cfdbfec638f12aca4bb627c5da40cf1f1f62d009f204d5b143d5b9390bb69ff |
| SHA512 | 0eec27ad637e4dda88717a527d2b159588f5b7c96feea89f3b5850c0cb298f6c0c002b7bd6c53f965355e10acb49198a63173aed7a0b522f551e0301bed972bb |
memory/1740-144-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2420-143-0x0000000003480000-0x00000000034D3000-memory.dmp
memory/1740-149-0x0000000000230000-0x0000000000231000-memory.dmp
memory/1740-170-0x00000000002C0000-0x00000000002C1000-memory.dmp
memory/1740-159-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/1740-204-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1744-244-0x0000000000400000-0x0000000000414000-memory.dmp
memory/584-243-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2420-249-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1740-246-0x0000000000400000-0x0000000000453000-memory.dmp
memory/584-254-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1744-255-0x0000000000400000-0x0000000000414000-memory.dmp