Analysis
- max time kernel
151s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
29/05/2024, 23:30
Behavioral task
behavioral1
Sample
7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe
Resource
win7-20240221-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe
- Size 90KB
- Sample240529-3g67tafa33
- SHA256 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b
- MD5 595b575d73ada92e49f6e79a63475e20
- SHA1 5358c7c8eccfaec1d0bd2c40ee3422741a942914
- SHA512 5f32d51fa275c08e2968e49cf4c8cea02fa35310266072708b086d804bbb070e6b113dea83a070a28e6860e22512ab26294b024782b6feb26c5219e838464d5a
- 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.
- Detects Windows executables referencing non-Windows User-Agents 4 IoCs
resource yara_rule behavioral2/memory/5188-56-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/5188-60-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/5188-59-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/5188-65-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - ModiLoader Second Stage 4 IoCs
resource yara_rule behavioral2/memory/5188-56-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/5188-60-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/5188-59-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/5188-65-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 - UPX dump on OEP (original entry point) 21 IoCs
resource yara_rule behavioral2/memory/3296-0-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/3296-3-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/5776-8-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/5776-10-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/5776-11-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3296-12-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/3296-15-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/files/0x000800000002326b-30.dat UPX behavioral2/memory/5776-38-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3460-39-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/3460-43-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/3460-44-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/5188-47-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/5188-56-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/5188-54-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/5188-60-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/3460-58-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/5188-59-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/5776-63-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/5816-64-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/5188-65-0x0000000000400000-0x0000000000414000-memory.dmp UPX - 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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe - Executes dropped EXE 3 IoCs
pid Process 3460 csrsll.exe 5816 csrsll.exe 5188 csrsll.exe -
resource yara_rule behavioral2/memory/3296-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3296-3-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/5776-8-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/5776-10-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/5776-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3296-12-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3296-15-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x000800000002326b-30.dat upx behavioral2/memory/5776-38-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3460-39-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3460-43-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3460-44-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/5188-47-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/5188-56-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/5188-54-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/5188-60-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3460-58-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/5188-59-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/5776-63-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/5816-64-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/5188-65-0x0000000000400000-0x0000000000414000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 3296 set thread context of 5776 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 95 PID 3460 set thread context of 5816 3460 csrsll.exe 105 PID 3460 set thread context of 5188 3460 csrsll.exe 106 - 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 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe Token: SeDebugPrivilege 5816 csrsll.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 5776 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 3460 csrsll.exe 5816 csrsll.exe - Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 3296 wrote to memory of 5776 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 95 PID 3296 wrote to memory of 5776 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 95 PID 3296 wrote to memory of 5776 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 95 PID 3296 wrote to memory of 5776 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 95 PID 3296 wrote to memory of 5776 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 95 PID 3296 wrote to memory of 5776 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 95 PID 3296 wrote to memory of 5776 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 95 PID 3296 wrote to memory of 5776 3296 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 95 PID 5776 wrote to memory of 5992 5776 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 100 PID 5776 wrote to memory of 5992 5776 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 100 PID 5776 wrote to memory of 5992 5776 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 100 PID 5992 wrote to memory of 4988 5992 cmd.exe 103 PID 5992 wrote to memory of 4988 5992 cmd.exe 103 PID 5992 wrote to memory of 4988 5992 cmd.exe 103 PID 5776 wrote to memory of 3460 5776 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 104 PID 5776 wrote to memory of 3460 5776 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 104 PID 5776 wrote to memory of 3460 5776 7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe 104 PID 3460 wrote to memory of 5816 3460 csrsll.exe 105 PID 3460 wrote to memory of 5816 3460 csrsll.exe 105 PID 3460 wrote to memory of 5816 3460 csrsll.exe 105 PID 3460 wrote to memory of 5816 3460 csrsll.exe 105 PID 3460 wrote to memory of 5816 3460 csrsll.exe 105 PID 3460 wrote to memory of 5816 3460 csrsll.exe 105 PID 3460 wrote to memory of 5816 3460 csrsll.exe 105 PID 3460 wrote to memory of 5816 3460 csrsll.exe 105 PID 3460 wrote to memory of 5188 3460 csrsll.exe 106 PID 3460 wrote to memory of 5188 3460 csrsll.exe 106 PID 3460 wrote to memory of 5188 3460 csrsll.exe 106 PID 3460 wrote to memory of 5188 3460 csrsll.exe 106 PID 3460 wrote to memory of 5188 3460 csrsll.exe 106 PID 3460 wrote to memory of 5188 3460 csrsll.exe 106 PID 3460 wrote to memory of 5188 3460 csrsll.exe 106 PID 3460 wrote to memory of 5188 3460 csrsll.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe"C:\Users\Admin\AppData\Local\Temp\7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3296 -
C:\Users\Admin\AppData\Local\Temp\7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe"C:\Users\Admin\AppData\Local\Temp\7de52f15b1a5fea36c10fb21251b200b601e6fd7da12f530c834629d2f83b64b.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5776 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DQHUQ.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:5992 -
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:4988
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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:3460 -
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:5816
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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:5188
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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 --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:81⤵PID:4888
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\DQHUQ.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 2d6e7c249159e06daf64f323123eadf307d3c311ed898c82178ac871bce3dcb2
- MD5 223bc9965ed9afba79743fefc9813c65
- SHA1 e2ac060ace2405cf5e0296df678b11fda44c853b
- SHA512 109f4a02dc53084a72930a4c8d1a2a24f87ac62647960852d62a9773b237ded4285bd1053a876bae8296457709950dc73ac19bc74a668ef346d6256f8c5900dc
- SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
- MD5 SHA1 SHA512 SSDEEP