Analysis
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max time kernel
56s -
max time network
57s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
27-01-2021 21:43
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe
Resource
win10v20201028
General
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Target
SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe
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Size
1.3MB
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MD5
98119f6305337412e58f0d3ca740a227
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SHA1
aed7c3f9910052933f7bf008eae1163af1af64dc
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SHA256
cc67e6c53e9a4740f106f84faefad1c32b742a9f1ca69f519e584aa9e3491518
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SHA512
5c34f89dddf66ffd2a02b3c62117d2e88c873ef30ecb2de82d303df30f89147d72a7324dac953c3d83349f998412114fb98c1c1dc0ecb76dbc7b1e1fb5608339
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/856-27-0x0000000000400000-0x0000000000468000-memory.dmp family_snakekeylogger behavioral1/memory/856-28-0x000000000046370E-mapping.dmp family_snakekeylogger behavioral1/memory/856-31-0x0000000000400000-0x0000000000468000-memory.dmp family_snakekeylogger -
Executes dropped EXE 2 IoCs
Processes:
mokl.exeInstallUtil.exepid process 1624 mokl.exe 856 InstallUtil.exe -
Loads dropped DLL 2 IoCs
Processes:
SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exemokl.exepid process 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe 1624 mokl.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\isdrt = "C:\\Users\\Admin\\mokl.exe" reg.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 11 checkip.dyndns.org 16 freegeoip.app 17 freegeoip.app -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
mokl.exedescription pid process target process PID 1624 set thread context of 856 1624 mokl.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exemokl.exeInstallUtil.exepid process 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe 1624 mokl.exe 1624 mokl.exe 856 InstallUtil.exe 856 InstallUtil.exe 856 InstallUtil.exe 856 InstallUtil.exe 856 InstallUtil.exe 856 InstallUtil.exe 856 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exemokl.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe Token: SeDebugPrivilege 1624 mokl.exe Token: SeDebugPrivilege 856 InstallUtil.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.execmd.exemokl.exedescription pid process target process PID 384 wrote to memory of 576 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe cmd.exe PID 384 wrote to memory of 576 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe cmd.exe PID 384 wrote to memory of 576 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe cmd.exe PID 384 wrote to memory of 576 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe cmd.exe PID 576 wrote to memory of 560 576 cmd.exe reg.exe PID 576 wrote to memory of 560 576 cmd.exe reg.exe PID 576 wrote to memory of 560 576 cmd.exe reg.exe PID 576 wrote to memory of 560 576 cmd.exe reg.exe PID 384 wrote to memory of 1624 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe mokl.exe PID 384 wrote to memory of 1624 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe mokl.exe PID 384 wrote to memory of 1624 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe mokl.exe PID 384 wrote to memory of 1624 384 SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe mokl.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe PID 1624 wrote to memory of 856 1624 mokl.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42783.27652.5094.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "isdrt" /t REG_SZ /d "C:\Users\Admin\mokl.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "isdrt" /t REG_SZ /d "C:\Users\Admin\mokl.exe"3⤵
- Adds Run key to start application
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C:\Users\Admin\mokl.exe"C:\Users\Admin\mokl.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"3⤵
- Executes dropped EXE
- 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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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\mokl.exeMD5
98119f6305337412e58f0d3ca740a227
SHA1aed7c3f9910052933f7bf008eae1163af1af64dc
SHA256cc67e6c53e9a4740f106f84faefad1c32b742a9f1ca69f519e584aa9e3491518
SHA5125c34f89dddf66ffd2a02b3c62117d2e88c873ef30ecb2de82d303df30f89147d72a7324dac953c3d83349f998412114fb98c1c1dc0ecb76dbc7b1e1fb5608339
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C:\Users\Admin\mokl.exeMD5
98119f6305337412e58f0d3ca740a227
SHA1aed7c3f9910052933f7bf008eae1163af1af64dc
SHA256cc67e6c53e9a4740f106f84faefad1c32b742a9f1ca69f519e584aa9e3491518
SHA5125c34f89dddf66ffd2a02b3c62117d2e88c873ef30ecb2de82d303df30f89147d72a7324dac953c3d83349f998412114fb98c1c1dc0ecb76dbc7b1e1fb5608339
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\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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\Users\Admin\mokl.exeMD5
98119f6305337412e58f0d3ca740a227
SHA1aed7c3f9910052933f7bf008eae1163af1af64dc
SHA256cc67e6c53e9a4740f106f84faefad1c32b742a9f1ca69f519e584aa9e3491518
SHA5125c34f89dddf66ffd2a02b3c62117d2e88c873ef30ecb2de82d303df30f89147d72a7324dac953c3d83349f998412114fb98c1c1dc0ecb76dbc7b1e1fb5608339
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memory/384-3-0x00000000002D0000-0x00000000002D1000-memory.dmpFilesize
4KB
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memory/384-5-0x0000000004DC0000-0x0000000004DC1000-memory.dmpFilesize
4KB
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memory/384-7-0x0000000000540000-0x000000000055E000-memory.dmpFilesize
120KB
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memory/384-8-0x0000000000660000-0x0000000000661000-memory.dmpFilesize
4KB
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memory/384-2-0x00000000740C0000-0x00000000747AE000-memory.dmpFilesize
6.9MB
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memory/384-11-0x0000000004DC1000-0x0000000004DC2000-memory.dmpFilesize
4KB
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memory/560-10-0x0000000000000000-mapping.dmp
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memory/576-9-0x0000000000000000-mapping.dmp
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memory/856-27-0x0000000000400000-0x0000000000468000-memory.dmpFilesize
416KB
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memory/856-28-0x000000000046370E-mapping.dmp
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memory/856-30-0x00000000740C0000-0x00000000747AE000-memory.dmpFilesize
6.9MB
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memory/856-31-0x0000000000400000-0x0000000000468000-memory.dmpFilesize
416KB
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memory/856-33-0x0000000004A90000-0x0000000004A91000-memory.dmpFilesize
4KB
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memory/1624-17-0x0000000000940000-0x0000000000941000-memory.dmpFilesize
4KB
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memory/1624-19-0x0000000001F20000-0x0000000001F21000-memory.dmpFilesize
4KB
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memory/1624-23-0x0000000002080000-0x000000000208B000-memory.dmpFilesize
44KB
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memory/1624-24-0x0000000002090000-0x0000000002091000-memory.dmpFilesize
4KB
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memory/1624-16-0x00000000740C0000-0x00000000747AE000-memory.dmpFilesize
6.9MB
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memory/1624-13-0x0000000000000000-mapping.dmp