Analysis
- max time kernel
150s - max time network
152s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
11/05/2023, 12:32
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
Solostemmes249.exe
Resource
win7-20230220-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
Solostemmes249.exe
Resource
win10v2004-20230220-en
7 signatures
150 seconds
General
- Target Solostemmes249.exe
- Size 291KB
- Sample230511-pqletafb41
- SHA256 c8edfb818e8a68ef4c127122bf9ae430d6d43ece8c9e70627cccb44e486f2827
- MD5 7ad378979a95ed85e5bc3c31fd947727
- SHA1 bc5ad33e6d8eeb3565b3be5c604d0b92d457bf5e
- SHA512 e7aa57342e1199bc24b58b81af99caac9369c9c3e9405b0a43231368cbbed771ce81dd36b4ab3da993338162b8cbf4a748e9d8b9cdbd83d9e7bbe5f4efcf17e8
- SSDEEP 6144:ex4veGehjmwGl36FROJyjD3yfUUyD8+yN/R8a/koagY3:o4GGRlqFmyjDSR3ggQ
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe Solostemmes249.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe Solostemmes249.exe - Loads dropped DLL 1 IoCs
pid Process 1708 Solostemmes249.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1708 Solostemmes249.exe 1904 Solostemmes249.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1708 set thread context of 1904 1708 Solostemmes249.exe 28 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1708 Solostemmes249.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1708 wrote to memory of 1904 1708 Solostemmes249.exe 28 PID 1708 wrote to memory of 1904 1708 Solostemmes249.exe 28 PID 1708 wrote to memory of 1904 1708 Solostemmes249.exe 28 PID 1708 wrote to memory of 1904 1708 Solostemmes249.exe 28 PID 1708 wrote to memory of 1904 1708 Solostemmes249.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\Solostemmes249.exe"C:\Users\Admin\AppData\Local\Temp\Solostemmes249.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Users\Admin\AppData\Local\Temp\Solostemmes249.exe"C:\Users\Admin\AppData\Local\Temp\Solostemmes249.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1904
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
- Size 62KB
- SHA256 d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
- MD5 3ac860860707baaf32469fa7cc7c0192
- SHA1 c33c2acdaba0e6fa41fd2f00f186804722477639
- SHA512 d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c
- SSDEEP 1536:MRxM2u+06GOIVUvVmMKAfUfsrPa1jfCu18ZNMe3v:KMH+F3IacMZ2CPACu1GN7v
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\TarF1A7.tmp
- Size 164KB
- SHA256 c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
- MD5 4ff65ad929cd9a367680e0e5b1c08166
- SHA1 c0af0d4396bd1f15c45f39d3b849ba444233b3a2
- SHA512 f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27
- SSDEEP 1536:FUdJXlCUs0Rv0/29TFrJW5ibN/5YJkKCdru2hRIwjYvjCQ9vbmt6t0:FIJXq0Rn5JaJkHru2h2jCEvt2
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\nsy34D.tmp\System.dll
- Size 11KB
- SHA256 a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
- MD5 fbe295e5a1acfbd0a6271898f885fe6a
- SHA1 d6d205922e61635472efb13c2bb92c9ac6cb96da
- SHA512 2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06
- SSDEEP 192:yPtkiQJr7V9r3Ftr87NfwXQ6whlgi62V7i77blbTc4DI:N7Vxr8IgLgi3sVc4
- MD5 SHA1 SHA512 SSDEEP