Analysis
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max time kernel
13s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
20-06-2024 23:34
Static task
static1
Behavioral task
behavioral1
Sample
73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe
Resource
win10v2004-20240508-en
General
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Target
73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe
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Size
112KB
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MD5
78a5ea6b57d8b722d7c42b0c7ef3d1da
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SHA1
9edcb82d629f6e58331e06a504916f24a19bb13f
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SHA256
73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2
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SHA512
fde35984361d1e02a81da4c1a8cc19b8b15e745cbaab245ca576cd7fae8f192b4998a4a078b7482c067fd93fda129032bbb7a0624def57fa05e77198a3f119bc
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SSDEEP
1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJ:tVIr7zI+fAceoGxSKKo5
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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Detects Windows executables referencing non-Windows User-Agents 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1440-282-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
ModiLoader Second Stage 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1440-282-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
UPX dump on OEP (original entry point) 12 IoCs
Processes:
resource yara_rule behavioral1/memory/2412-129-0x0000000000400000-0x000000000040C000-memory.dmp UPX behavioral1/memory/2328-128-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2412-119-0x0000000000400000-0x000000000040C000-memory.dmp UPX behavioral1/memory/2412-117-0x0000000000400000-0x000000000040C000-memory.dmp UPX behavioral1/memory/2328-116-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2328-112-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2412-107-0x0000000000400000-0x000000000040C000-memory.dmp UPX behavioral1/memory/2328-285-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1440-282-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/2932-275-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2412-290-0x0000000000400000-0x000000000040C000-memory.dmp UPX behavioral1/memory/2932-293-0x0000000000400000-0x000000000040B000-memory.dmp UPX -
Executes dropped EXE 3 IoCs
Processes:
WAMain.exeWAMain.exeWAMain.exepid process 2124 WAMain.exe 2932 WAMain.exe 1440 WAMain.exe -
Loads dropped DLL 5 IoCs
Processes:
73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exepid process 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe -
Processes:
resource yara_rule behavioral1/memory/2328-128-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2328-116-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2328-112-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2328-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2328-285-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1440-282-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2932-275-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2932-293-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows WA = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\WAMain.exe" reg.exe -
Suspicious use of SetThreadContext 5 IoCs
Processes:
73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exeWAMain.exedescription pid process target process PID 1848 set thread context of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 set thread context of 2328 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe PID 2124 set thread context of 2680 2124 WAMain.exe svchost.exe PID 2124 set thread context of 2932 2124 WAMain.exe WAMain.exe PID 2124 set thread context of 1440 2124 WAMain.exe WAMain.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
svchost.exepid process 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe 2412 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
WAMain.exedescription pid process Token: SeDebugPrivilege 2932 WAMain.exe Token: SeDebugPrivilege 2932 WAMain.exe Token: SeDebugPrivilege 2932 WAMain.exe Token: SeDebugPrivilege 2932 WAMain.exe Token: SeDebugPrivilege 2932 WAMain.exe Token: SeDebugPrivilege 2932 WAMain.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exesvchost.exe73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exeWAMain.exesvchost.exeWAMain.exepid process 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 2412 svchost.exe 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 2124 WAMain.exe 2680 svchost.exe 2932 WAMain.exe -
Suspicious use of WriteProcessMemory 56 IoCs
Processes:
73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.execmd.exeWAMain.exedescription pid process target process PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2412 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe svchost.exe PID 1848 wrote to memory of 2328 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe PID 1848 wrote to memory of 2328 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe PID 1848 wrote to memory of 2328 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe PID 1848 wrote to memory of 2328 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe PID 1848 wrote to memory of 2328 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe PID 1848 wrote to memory of 2328 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe PID 1848 wrote to memory of 2328 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe PID 1848 wrote to memory of 2328 1848 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe PID 2328 wrote to memory of 1620 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe cmd.exe PID 2328 wrote to memory of 1620 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe cmd.exe PID 2328 wrote to memory of 1620 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe cmd.exe PID 2328 wrote to memory of 1620 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe cmd.exe PID 1620 wrote to memory of 1764 1620 cmd.exe reg.exe PID 1620 wrote to memory of 1764 1620 cmd.exe reg.exe PID 1620 wrote to memory of 1764 1620 cmd.exe reg.exe PID 1620 wrote to memory of 1764 1620 cmd.exe reg.exe PID 2328 wrote to memory of 2124 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe WAMain.exe PID 2328 wrote to memory of 2124 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe WAMain.exe PID 2328 wrote to memory of 2124 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe WAMain.exe PID 2328 wrote to memory of 2124 2328 73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe WAMain.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2680 2124 WAMain.exe svchost.exe PID 2124 wrote to memory of 2932 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 2932 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 2932 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 2932 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 2932 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 2932 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 2932 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 2932 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 1440 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 1440 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 1440 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 1440 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 1440 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 1440 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 1440 2124 WAMain.exe WAMain.exe PID 2124 wrote to memory of 1440 2124 WAMain.exe WAMain.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe"C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\svchost.exe"C:\Windows\system32\svchost.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2412 -
C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe"C:\Users\Admin\AppData\Local\Temp\73b259c72cb2531e001a0eaa1c9d87d1a2c0385fb6073eb9f9782273db0903e2.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\RPNSF.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f4⤵
- Adds Run key to start application
PID:1764 -
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\SysWOW64\svchost.exe"C:\Windows\system32\svchost.exe"4⤵
- Suspicious use of SetWindowsHookEx
PID:2680 -
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2932 -
C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"4⤵
- Executes dropped EXE
PID:1440
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
148B
MD53a4614705555abb049c3298e61170b7f
SHA1c8686410756f346d9551256a5b878b04770950ba
SHA256cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b
SHA51265ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007
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Filesize
112KB
MD504964fb57a27f708fbdc2dd3df99ce7a
SHA1139304f800ce355a405e8e3710a7b895da0dccc7
SHA2565e8a771767cdc1ad1ecb890610d1d6677ebfa73ef432b7f60693a7ef07b3ffc2
SHA512a21cfb4cda23aa811f5bf19b79aeb9e088b828d594c1edfbcc6872585791b449bdce86b19dbfa18e81b0564a27026d2151d89987418d3ecb7ba913003df517e3