Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/02/2024, 14:55
General
- Target a97144af800ff333f4b8a0361d791087.exe
- Size 466KB
- Sample240227-samvgscb91
- SHA256 125273103d910e7aec35c4bf75fce7fb0d000eee31b9b5409119f38069dbb722
Malware Config
Signatures
- Imminent RAT
Remote-access trojan based on Imminent Monitor remote admin software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops desktop.ini file(s) 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies system certificate store 2 TTPs 5 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a97144af800ff333f4b8a0361d791087.exe"C:\Users\Admin\AppData\Local\Temp\a97144af800ff333f4b8a0361d791087.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\a97144af800ff333f4b8a0361d791087.exe"C:\Users\Admin\AppData\Local\Temp\a97144af800ff333f4b8a0361d791087.exe"2⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Roaming\PEVerify.exe" "C:\Users\Admin\AppData\Local\Temp\a97144af800ff333f4b8a0361d791087.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\PEVerify.exe"C:\Users\Admin\AppData\Roaming\PEVerify.exe" "C:\Users\Admin\AppData\Local\Temp\a97144af800ff333f4b8a0361d791087.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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=3736 --field-trial-handle=2284,i,2771196087253062161,8107167670425198948,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmp973F.tmp
PID.dat
Path.dat
PEVerify.exe
memory/2148-53-0x0000000000F40000-0x0000000000F50000-memory.dmp
memory/2148-14-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2148-18-0x0000000074860000-0x0000000074E11000-memory.dmp
memory/2148-19-0x0000000074860000-0x0000000074E11000-memory.dmp
memory/2148-20-0x0000000000F40000-0x0000000000F50000-memory.dmp
memory/2148-50-0x0000000074860000-0x0000000074E11000-memory.dmp
memory/3964-30-0x00000000091A0000-0x00000000091A1000-memory.dmp
memory/3964-1-0x0000000074860000-0x0000000074E11000-memory.dmp
memory/3964-0-0x0000000074860000-0x0000000074E11000-memory.dmp
memory/3964-77-0x00000000091A0000-0x00000000091A1000-memory.dmp
memory/3964-33-0x0000000009190000-0x0000000009199000-memory.dmp
memory/3964-34-0x0000000009190000-0x0000000009199000-memory.dmp
memory/3964-36-0x0000000009190000-0x0000000009199000-memory.dmp
memory/3964-35-0x0000000009190000-0x0000000009199000-memory.dmp
memory/3964-37-0x00000000091A0000-0x00000000091A1000-memory.dmp
memory/3964-28-0x0000000074860000-0x0000000074E11000-memory.dmp
memory/3964-40-0x0000000001180000-0x0000000001190000-memory.dmp
memory/3964-2-0x0000000001180000-0x0000000001190000-memory.dmp
memory/4724-25-0x0000000074860000-0x0000000074E11000-memory.dmp
memory/4724-26-0x00000000018C0000-0x00000000018D0000-memory.dmp
memory/4724-58-0x0000000074860000-0x0000000074E11000-memory.dmp
memory/4724-59-0x00000000018C0000-0x00000000018D0000-memory.dmp
memory/4724-27-0x0000000074860000-0x0000000074E11000-memory.dmp