Analysis
-
max time kernel
44s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
12-05-2022 12:00
Static task
static1
Behavioral task
behavioral1
Sample
781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe
Resource
win10v2004-20220414-en
General
-
Target
781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe
-
Size
323KB
-
MD5
9d8e1173ecc6d44b69fabdfd2d9ecb15
-
SHA1
a44f35e516f59d764226326c8eb4af6540d8a8a0
-
SHA256
781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04
-
SHA512
5f74ad1edb4636b7175ef022ceb71d09aa3334a1814ab85b6b9da2af947242d67a652ee5d42bd09a8755ff581ed07f306ce3240877a8dbae6ebd74872c0db5cb
Malware Config
Signatures
-
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
-
OnlyLogger Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1808-56-0x0000000006540000-0x0000000006586000-memory.dmp family_onlylogger behavioral1/memory/1808-57-0x0000000000400000-0x0000000004DCD000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1220 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 1268 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 1268 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.execmd.exedescription pid Process procid_target PID 1808 wrote to memory of 1220 1808 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe 27 PID 1808 wrote to memory of 1220 1808 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe 27 PID 1808 wrote to memory of 1220 1808 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe 27 PID 1808 wrote to memory of 1220 1808 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe 27 PID 1220 wrote to memory of 1268 1220 cmd.exe 29 PID 1220 wrote to memory of 1268 1220 cmd.exe 29 PID 1220 wrote to memory of 1268 1220 cmd.exe 29 PID 1220 wrote to memory of 1268 1220 cmd.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe"C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1268
-
-