Analysis
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max time kernel
151s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 17:38
Behavioral task
behavioral1
Sample
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe
Resource
win10v2004-20221111-en
General
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Target
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe
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Size
108KB
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MD5
250406c2037eb71e5ea1208c217eca95
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SHA1
62e71449917215f889cb619d44556c7c32358737
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SHA256
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6
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SHA512
e635f7eb63fe2676208298a61aa5631cb86b7b6976eccc3db79f741a1809dabd6994866eb6e2a828909c6e9039aece352495fe4d6ebd1c2ff994b1f9b10c9d32
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SSDEEP
3072:n1+MJKrUnFYY5z1i0Nmbi5fJBNBQsNSvv6kl6lGkout:tIrPj0NmWtN+sKeoS
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Processes:
mstwain32.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2604-136-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4436-142-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4436-143-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
Processes:
mstwain32.exepid process 4436 mstwain32.exe -
Processes:
resource yara_rule behavioral2/memory/2604-132-0x0000000000400000-0x0000000000450000-memory.dmp upx C:\Windows\mstwain32.exe upx behavioral2/memory/2604-136-0x0000000000400000-0x0000000000450000-memory.dmp upx C:\Windows\mstwain32.exe upx behavioral2/memory/4436-142-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4436-143-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe -
Loads dropped DLL 4 IoCs
Processes:
mstwain32.exepid process 4436 mstwain32.exe 4436 mstwain32.exe 4436 mstwain32.exe 4436 mstwain32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
mstwain32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ mstwain32.exe -
Processes:
mstwain32.exe0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
Drops file in Windows directory 4 IoCs
Processes:
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exemstwain32.exedescription ioc process File created C:\Windows\mstwain32.exe 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe File opened for modification C:\Windows\mstwain32.exe 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exemstwain32.exedescription pid process Token: SeDebugPrivilege 2604 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe Token: SeDebugPrivilege 4436 mstwain32.exe Token: SeDebugPrivilege 4436 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exepid process 2604 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
mstwain32.exepid process 4436 mstwain32.exe 4436 mstwain32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exedescription pid process target process PID 2604 wrote to memory of 4436 2604 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe mstwain32.exe PID 2604 wrote to memory of 4436 2604 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe mstwain32.exe PID 2604 wrote to memory of 4436 2604 0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe mstwain32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
mstwain32.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe"C:\Users\Admin\AppData\Local\Temp\0bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6.exe"1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:4436
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
32KB
MD5e3473fd3d2175f0281c7812ccbd94def
SHA1b3b6a03763f0628b3b6f12c1a012e18655147514
SHA256960aea122467162e72bdcb194f31181cccf844ac9453d9608c2ec7d1fac528f8
SHA512a34106d3aa29f82487d63f3f12317b367dda18b7679c28e9904f63dee568aa58942b84e7d5a84770ed37bfa8c260c6f2e7ed5908cbc82ccc634b0dea81c499d5
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Filesize
32KB
MD5e3473fd3d2175f0281c7812ccbd94def
SHA1b3b6a03763f0628b3b6f12c1a012e18655147514
SHA256960aea122467162e72bdcb194f31181cccf844ac9453d9608c2ec7d1fac528f8
SHA512a34106d3aa29f82487d63f3f12317b367dda18b7679c28e9904f63dee568aa58942b84e7d5a84770ed37bfa8c260c6f2e7ed5908cbc82ccc634b0dea81c499d5
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Filesize
108KB
MD5250406c2037eb71e5ea1208c217eca95
SHA162e71449917215f889cb619d44556c7c32358737
SHA2560bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6
SHA512e635f7eb63fe2676208298a61aa5631cb86b7b6976eccc3db79f741a1809dabd6994866eb6e2a828909c6e9039aece352495fe4d6ebd1c2ff994b1f9b10c9d32
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Filesize
108KB
MD5250406c2037eb71e5ea1208c217eca95
SHA162e71449917215f889cb619d44556c7c32358737
SHA2560bdc090d4dd2a4a9838d1d690a95e81e60aa33d08c7c6312726e21f54e6e93a6
SHA512e635f7eb63fe2676208298a61aa5631cb86b7b6976eccc3db79f741a1809dabd6994866eb6e2a828909c6e9039aece352495fe4d6ebd1c2ff994b1f9b10c9d32
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350