Analysis Overview
SHA256
a32770d46ee2ee5b91cc36e5159868ec3ff7f847e7516d7bcb952f7a94e347a2
Threat Level: Known bad
The file 5665f108965c55a2d3ebcbbb50b03786 was found to be: Known bad.
Malicious Activity Summary
Redline family
Babuk Locker
RedLine Payload
Deletes shadow copies
Modifies extensions of user files
Downloads MZ/PE file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates connected drives
Suspicious use of SetThreadContext
Enumerates physical storage devices
Interacts with shadow copies
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-08-27 04:19
Signatures
RedLine Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Redline family
Analysis: behavioral1
Detonation Overview
Submitted
2021-08-27 04:19
Reported
2021-08-27 04:22
Platform
win7v20210408
Max time kernel
94s
Max time network
120s
Command Line
Signatures
Babuk Locker
Deletes shadow copies
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Pictures\EnableRemove.raw.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SkipAdd.tiff.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\DenyCheckpoint.raw => C:\Users\Admin\Pictures\DenyCheckpoint.raw.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\EnableRemove.raw => C:\Users\Admin\Pictures\EnableRemove.raw.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\EditConvertTo.tiff => C:\Users\Admin\Pictures\EditConvertTo.tiff.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ConvertFromFind.tif.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\DenyCheckpoint.raw.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\EditConvertTo.tiff.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ReadMount.png.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SkipAdd.tiff | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ApproveUse.tiff.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\EditConvertTo.tiff | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ConvertFromFind.tif => C:\Users\Admin\Pictures\ConvertFromFind.tif.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ReadSuspend.png => C:\Users\Admin\Pictures\ReadSuspend.png.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SkipAdd.tiff => C:\Users\Admin\Pictures\SkipAdd.tiff.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SubmitConnect.crw => C:\Users\Admin\Pictures\SubmitConnect.crw.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SubmitConnect.crw.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ApproveUse.tiff | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ApproveUse.tiff => C:\Users\Admin\Pictures\ApproveUse.tiff.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ReadMount.png => C:\Users\Admin\Pictures\ReadMount.png.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ReadSuspend.png.babyk | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5665f108965c55a2d3ebcbbb50b03786.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates connected drives
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1360 set thread context of 748 | N/A | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | C:\Users\Admin\AppData\Local\Temp\AudioB.exe |
Enumerates physical storage devices
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
| N/A | N/A | C:\Windows\system32\vssadmin.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5665f108965c55a2d3ebcbbb50b03786.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\5665f108965c55a2d3ebcbbb50b03786.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\AudioB.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5665f108965c55a2d3ebcbbb50b03786.exe
"C:\Users\Admin\AppData\Local\Temp\5665f108965c55a2d3ebcbbb50b03786.exe"
C:\Users\Admin\AppData\Local\Temp\AudioB.exe
"C:\Users\Admin\AppData\Local\Temp\AudioB.exe"
C:\Users\Admin\AppData\Local\Temp\AudioB.exe
"C:\Users\Admin\AppData\Local\Temp\AudioB.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
Network
| Country | Destination | Domain | Proto |
| N/A | 51.254.68.139:15009 | tcp | |
| N/A | 8.8.8.8:53 | api.ip.sb | udp |
| N/A | 172.67.75.172:443 | api.ip.sb | tcp |
| N/A | 8.8.8.8:53 | cdn.discordapp.com | udp |
| N/A | 162.159.134.233:443 | cdn.discordapp.com | tcp |
Files
memory/1832-60-0x0000000000C70000-0x0000000000C71000-memory.dmp
memory/1832-62-0x0000000004810000-0x0000000004811000-memory.dmp
\Users\Admin\AppData\Local\Temp\AudioB.exe
| MD5 | cf88599048145e4911915215a91527f4 |
| SHA1 | f4ba5c7117736388c4de3442b1d6e4f84628c15d |
| SHA256 | 9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0 |
| SHA512 | 254f6e26ed075ff1fe46493e36e6ec7eb70db52d2219070b6a77cbf7202d231fc826bd3fb69bdcaee86e45c9ce4ee8bc7085d37d5627a0bc1d2ec86aa9f2c0f7 |
memory/1360-64-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\AudioB.exe
| MD5 | cf88599048145e4911915215a91527f4 |
| SHA1 | f4ba5c7117736388c4de3442b1d6e4f84628c15d |
| SHA256 | 9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0 |
| SHA512 | 254f6e26ed075ff1fe46493e36e6ec7eb70db52d2219070b6a77cbf7202d231fc826bd3fb69bdcaee86e45c9ce4ee8bc7085d37d5627a0bc1d2ec86aa9f2c0f7 |
C:\Users\Admin\AppData\Local\Temp\AudioB.exe
| MD5 | cf88599048145e4911915215a91527f4 |
| SHA1 | f4ba5c7117736388c4de3442b1d6e4f84628c15d |
| SHA256 | 9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0 |
| SHA512 | 254f6e26ed075ff1fe46493e36e6ec7eb70db52d2219070b6a77cbf7202d231fc826bd3fb69bdcaee86e45c9ce4ee8bc7085d37d5627a0bc1d2ec86aa9f2c0f7 |
memory/1360-67-0x0000000000010000-0x0000000000011000-memory.dmp
memory/1360-69-0x0000000004D70000-0x0000000004D71000-memory.dmp
memory/1360-70-0x0000000000340000-0x0000000000341000-memory.dmp
memory/1360-71-0x0000000004D71000-0x0000000004D72000-memory.dmp
memory/1360-72-0x0000000001E20000-0x0000000001E31000-memory.dmp
memory/1360-73-0x0000000008260000-0x00000000082FC000-memory.dmp
memory/1360-74-0x0000000001FB0000-0x0000000001FE1000-memory.dmp
\Users\Admin\AppData\Local\Temp\AudioB.exe
| MD5 | cf88599048145e4911915215a91527f4 |
| SHA1 | f4ba5c7117736388c4de3442b1d6e4f84628c15d |
| SHA256 | 9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0 |
| SHA512 | 254f6e26ed075ff1fe46493e36e6ec7eb70db52d2219070b6a77cbf7202d231fc826bd3fb69bdcaee86e45c9ce4ee8bc7085d37d5627a0bc1d2ec86aa9f2c0f7 |
memory/748-76-0x0000000000400000-0x0000000000418000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\AudioB.exe
| MD5 | cf88599048145e4911915215a91527f4 |
| SHA1 | f4ba5c7117736388c4de3442b1d6e4f84628c15d |
| SHA256 | 9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0 |
| SHA512 | 254f6e26ed075ff1fe46493e36e6ec7eb70db52d2219070b6a77cbf7202d231fc826bd3fb69bdcaee86e45c9ce4ee8bc7085d37d5627a0bc1d2ec86aa9f2c0f7 |
memory/748-77-0x000000000040ABC0-mapping.dmp
memory/748-79-0x0000000075801000-0x0000000075803000-memory.dmp
memory/748-80-0x0000000000400000-0x0000000000418000-memory.dmp
memory/828-81-0x0000000000000000-mapping.dmp
memory/2028-82-0x0000000000000000-mapping.dmp
memory/1060-83-0x0000000000000000-mapping.dmp
memory/524-84-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-08-27 04:19
Reported
2021-08-27 04:21
Platform
win10v20210410
Max time kernel
17s
Max time network
122s
Command Line
Signatures
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5665f108965c55a2d3ebcbbb50b03786.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\5665f108965c55a2d3ebcbbb50b03786.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\5665f108965c55a2d3ebcbbb50b03786.exe
"C:\Users\Admin\AppData\Local\Temp\5665f108965c55a2d3ebcbbb50b03786.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 51.254.68.139:15009 | tcp | |
| N/A | 8.8.8.8:53 | api.ip.sb | udp |
| N/A | 172.67.75.172:443 | api.ip.sb | tcp |
Files
memory/3912-114-0x0000000000510000-0x0000000000511000-memory.dmp
memory/3912-116-0x0000000005290000-0x0000000005291000-memory.dmp
memory/3912-117-0x0000000004D10000-0x0000000004D11000-memory.dmp
memory/3912-118-0x0000000004E40000-0x0000000004E41000-memory.dmp
memory/3912-119-0x0000000004D70000-0x0000000004D71000-memory.dmp
memory/3912-120-0x0000000004C80000-0x0000000005286000-memory.dmp
memory/3912-121-0x0000000004F50000-0x0000000004F51000-memory.dmp
memory/3912-122-0x0000000006780000-0x0000000006781000-memory.dmp
memory/3912-123-0x0000000006E80000-0x0000000006E81000-memory.dmp
memory/3912-124-0x00000000073B0000-0x00000000073B1000-memory.dmp
memory/3912-125-0x0000000006950000-0x0000000006951000-memory.dmp
memory/3912-126-0x0000000006B70000-0x0000000006B71000-memory.dmp
memory/3912-127-0x0000000006C90000-0x0000000006C91000-memory.dmp
memory/3912-128-0x0000000006E30000-0x0000000006E31000-memory.dmp