Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
25/06/2024, 02:45
Behavioral task
behavioral1
Sample
d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe
- Size 90KB
- Sample240625-c87pjszeln
- SHA256 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495
- MD5 33162634fd87f64073ab934f8306e599
- SHA1 56822bc9ba25cb9ee68fba57bb4ce028f68838ec
- SHA512 3b5406e46d09f98c2a2fb84c024443bbe586ee784385e555fe5b272ee9d8b1176cef0eb07c6be9031c85fe7762d50e97a3ce55695c307dd708a036c8e89ed2ed
- SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- ModiLoader Second Stage 4 IoCs
resource yara_rule behavioral2/memory/3772-48-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3772-50-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3772-47-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3772-57-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe - Executes dropped EXE 3 IoCs
pid Process 1880 csrsll.exe 4632 csrsll.exe 3772 csrsll.exe -
resource yara_rule behavioral2/memory/216-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4732-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4732-8-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4732-7-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/216-10-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x00090000000233fd-26.dat upx behavioral2/memory/1880-34-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3772-39-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3772-48-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3772-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4732-55-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3772-47-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3772-46-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1880-45-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4632-56-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3772-57-0x0000000000400000-0x0000000000414000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 216 set thread context of 4732 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 80 PID 1880 set thread context of 4632 1880 csrsll.exe 86 PID 1880 set thread context of 3772 1880 csrsll.exe 87 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe Token: SeDebugPrivilege 4632 csrsll.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 4732 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 1880 csrsll.exe 4632 csrsll.exe - Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 216 wrote to memory of 4732 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 80 PID 216 wrote to memory of 4732 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 80 PID 216 wrote to memory of 4732 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 80 PID 216 wrote to memory of 4732 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 80 PID 216 wrote to memory of 4732 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 80 PID 216 wrote to memory of 4732 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 80 PID 216 wrote to memory of 4732 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 80 PID 216 wrote to memory of 4732 216 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 80 PID 4732 wrote to memory of 3828 4732 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 81 PID 4732 wrote to memory of 3828 4732 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 81 PID 4732 wrote to memory of 3828 4732 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 81 PID 3828 wrote to memory of 2116 3828 cmd.exe 84 PID 3828 wrote to memory of 2116 3828 cmd.exe 84 PID 3828 wrote to memory of 2116 3828 cmd.exe 84 PID 4732 wrote to memory of 1880 4732 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 85 PID 4732 wrote to memory of 1880 4732 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 85 PID 4732 wrote to memory of 1880 4732 d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe 85 PID 1880 wrote to memory of 4632 1880 csrsll.exe 86 PID 1880 wrote to memory of 4632 1880 csrsll.exe 86 PID 1880 wrote to memory of 4632 1880 csrsll.exe 86 PID 1880 wrote to memory of 4632 1880 csrsll.exe 86 PID 1880 wrote to memory of 4632 1880 csrsll.exe 86 PID 1880 wrote to memory of 4632 1880 csrsll.exe 86 PID 1880 wrote to memory of 4632 1880 csrsll.exe 86 PID 1880 wrote to memory of 4632 1880 csrsll.exe 86 PID 1880 wrote to memory of 3772 1880 csrsll.exe 87 PID 1880 wrote to memory of 3772 1880 csrsll.exe 87 PID 1880 wrote to memory of 3772 1880 csrsll.exe 87 PID 1880 wrote to memory of 3772 1880 csrsll.exe 87 PID 1880 wrote to memory of 3772 1880 csrsll.exe 87 PID 1880 wrote to memory of 3772 1880 csrsll.exe 87 PID 1880 wrote to memory of 3772 1880 csrsll.exe 87 PID 1880 wrote to memory of 3772 1880 csrsll.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe"C:\Users\Admin\AppData\Local\Temp\d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Users\Admin\AppData\Local\Temp\d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe"C:\Users\Admin\AppData\Local\Temp\d1f327809b9bd870d1afee34cd585b065d6978636df471501f3992da3aa77495.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IDIXY.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f4⤵
- Adds Run key to start application
PID:2116
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4632
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:3772
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\IDIXY.txt
- Size 145B
- SHA256 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
- MD5 4eb61ec7816c34ec8c125acadc57ec1b
- SHA1 b0015cc865c0bb1a027be663027d3829401a31cc
- SHA512 f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
- Size 90KB
- SHA256 23646af8e744cfb6d64b52e2eb8e5f2469338d61927391fb4f2de4ca173cea03
- MD5 8458445f2cddd7d1041da48fc45921f1
- SHA1 c279207e2efcca55d1e17e7aa4cf62aa65b1036c
- SHA512 d0a9a30acf810794eb70aa7e93abfbb881b3421a012f2293f1cd2a296c97332a0d8edffd9c78ac19091fe2dacdbfae7c6fca5159651798af52907188a8dfaedb
- SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
- MD5 SHA1 SHA512 SSDEEP