Analysis Overview
SHA256
6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506
Threat Level: Known bad
The file 6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Loads dropped DLL
Checks QEMU agent file
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtCreateThreadExHideFromDebugger
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-08-05 12:53
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-05 12:53
Reported
2023-08-05 12:56
Platform
win7-20230712-en
Max time kernel
145s
Max time network
134s
Command Line
Signatures
Guloader,Cloudeye
Checks QEMU agent file
| Description | Indicator | Process | Target |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Fimbrethil155\crabbing.ant | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1196 set thread context of 3008 | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Chad\ndplaner\komtessernes.ini | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\honnrmarch.han | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe"
C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| NL | 172.217.168.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | doc-08-c4-docs.googleusercontent.com | udp |
| NL | 142.251.36.1:443 | doc-08-c4-docs.googleusercontent.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nst7725.tmp\System.dll
| MD5 | 75ed96254fbf894e42058062b4b4f0d1 |
| SHA1 | 996503f1383b49021eb3427bc28d13b5bbd11977 |
| SHA256 | a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7 |
| SHA512 | 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4 |
memory/1196-65-0x00000000777E0000-0x0000000077989000-memory.dmp
memory/1196-66-0x00000000779D0000-0x0000000077AA6000-memory.dmp
memory/1196-67-0x00000000751A0000-0x00000000751A6000-memory.dmp
memory/3008-68-0x0000000000400000-0x0000000001462000-memory.dmp
memory/3008-69-0x00000000777E0000-0x0000000077989000-memory.dmp
memory/3008-70-0x0000000000400000-0x0000000001462000-memory.dmp
memory/3008-92-0x0000000000400000-0x0000000001462000-memory.dmp
memory/3008-93-0x0000000001470000-0x0000000004889000-memory.dmp
memory/3008-94-0x0000000000400000-0x0000000001462000-memory.dmp
memory/3008-96-0x0000000034D50000-0x0000000035053000-memory.dmp
memory/3008-95-0x0000000001470000-0x0000000004889000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-05 12:53
Reported
2023-08-05 12:56
Platform
win10v2004-20230703-en
Max time kernel
147s
Max time network
131s
Command Line
Signatures
Checks QEMU agent file
| Description | Indicator | Process | Target |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
| File opened (read-only) | C:\Program Files\Qemu-ga\qemu-ga.exe | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\Fimbrethil155\crabbing.ant | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 580 set thread context of 3472 | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Chad\ndplaner\komtessernes.ini | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\honnrmarch.han | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe"
C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\6f61121924dbe1b34c6af8af8ee78528ca9d839856c9fd8ffe8a3a2e48cae506exe_JC.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.137.241.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.238.32.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| NL | 172.217.168.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | doc-08-c4-docs.googleusercontent.com | udp |
| NL | 142.251.36.1:443 | doc-08-c4-docs.googleusercontent.com | tcp |
| US | 8.8.8.8:53 | 238.168.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.36.251.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.36.251.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.73.42.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsvD330.tmp\System.dll
| MD5 | 75ed96254fbf894e42058062b4b4f0d1 |
| SHA1 | 996503f1383b49021eb3427bc28d13b5bbd11977 |
| SHA256 | a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7 |
| SHA512 | 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4 |
memory/580-143-0x0000000077011000-0x0000000077131000-memory.dmp
memory/580-144-0x00000000744E0000-0x00000000744E6000-memory.dmp
memory/3472-145-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3472-146-0x0000000077011000-0x0000000077131000-memory.dmp
memory/3472-147-0x0000000077098000-0x0000000077099000-memory.dmp
memory/3472-160-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3472-161-0x0000000001660000-0x0000000004A79000-memory.dmp
memory/3472-162-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3472-163-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3472-164-0x0000000035120000-0x000000003546A000-memory.dmp
memory/3472-165-0x0000000001660000-0x0000000004A79000-memory.dmp
memory/3472-167-0x0000000077011000-0x0000000077131000-memory.dmp