Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
23-04-2021 17:50
Static task
static1
Behavioral task
behavioral1
Sample
Balancer-UIApp-2.2.7.exe
Resource
win7v20210410
0 signatures
0 seconds
General
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Target
Balancer-UIApp-2.2.7.exe
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Size
103.2MB
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MD5
187c604d50684ba55f5067d00d51a8c2
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SHA1
d3f622f82f6669dc4496f2b58a19c6d3e21d5844
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SHA256
b4f47cba1fde0cec963df1a7cfce6856303dcf6f376e6d7172fea107b8611de1
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SHA512
2521ba2162f666a180a91bd980cf08aed8e3abbfe772c7cd934b3c8e46dc9270723aad4c10fb70f991e7ef4e5e6cc439852271817edf6c5179d0861ac8ff4b56
Malware Config
Extracted
Family
remcos
C2
94.23.218.87:4783
Signatures
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Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
Processes:
Balancer-UIApp-2.2.7.exepid process 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Balancer-UIApp-2.2.7.exedescription pid process target process PID 1268 set thread context of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 568 1268 WerFault.exe Balancer-UIApp-2.2.7.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 300 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
Balancer-UIApp-2.2.7.exeWerFault.exepid process 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 1268 Balancer-UIApp-2.2.7.exe 568 WerFault.exe 568 WerFault.exe 568 WerFault.exe 568 WerFault.exe 568 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Balancer-UIApp-2.2.7.exepid process 772 Balancer-UIApp-2.2.7.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Balancer-UIApp-2.2.7.exeWerFault.exedescription pid process Token: SeDebugPrivilege 1268 Balancer-UIApp-2.2.7.exe Token: SeDebugPrivilege 568 WerFault.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Balancer-UIApp-2.2.7.exepid process 772 Balancer-UIApp-2.2.7.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
Balancer-UIApp-2.2.7.execmd.exedescription pid process target process PID 1268 wrote to memory of 1576 1268 Balancer-UIApp-2.2.7.exe cmd.exe PID 1268 wrote to memory of 1576 1268 Balancer-UIApp-2.2.7.exe cmd.exe PID 1268 wrote to memory of 1576 1268 Balancer-UIApp-2.2.7.exe cmd.exe PID 1268 wrote to memory of 1576 1268 Balancer-UIApp-2.2.7.exe cmd.exe PID 1576 wrote to memory of 300 1576 cmd.exe timeout.exe PID 1576 wrote to memory of 300 1576 cmd.exe timeout.exe PID 1576 wrote to memory of 300 1576 cmd.exe timeout.exe PID 1576 wrote to memory of 300 1576 cmd.exe timeout.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 772 1268 Balancer-UIApp-2.2.7.exe Balancer-UIApp-2.2.7.exe PID 1268 wrote to memory of 568 1268 Balancer-UIApp-2.2.7.exe WerFault.exe PID 1268 wrote to memory of 568 1268 Balancer-UIApp-2.2.7.exe WerFault.exe PID 1268 wrote to memory of 568 1268 Balancer-UIApp-2.2.7.exe WerFault.exe PID 1268 wrote to memory of 568 1268 Balancer-UIApp-2.2.7.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Balancer-UIApp-2.2.7.exe"C:\Users\Admin\AppData\Local\Temp\Balancer-UIApp-2.2.7.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 13⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\Temp\Balancer-UIApp-2.2.7.exe"C:\Users\Admin\AppData\Local\Temp\Balancer-UIApp-2.2.7.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 13242⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/300-66-0x0000000000000000-mapping.dmp
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memory/568-70-0x0000000000000000-mapping.dmp
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memory/568-72-0x0000000000380000-0x0000000000381000-memory.dmpFilesize
4KB
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memory/772-68-0x000000000042EEEF-mapping.dmp
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memory/772-67-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/772-71-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
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memory/1268-60-0x00000000013E0000-0x00000000013E1000-memory.dmpFilesize
4KB
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memory/1268-62-0x0000000075591000-0x0000000075593000-memory.dmpFilesize
8KB
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memory/1268-63-0x0000000000780000-0x0000000000781000-memory.dmpFilesize
4KB
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memory/1268-64-0x0000000005400000-0x00000000054A2000-memory.dmpFilesize
648KB
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memory/1576-65-0x0000000000000000-mapping.dmp