Analysis
-
max time kernel
92s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-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 behavioral2/memory/1608-131-0x0000000006A00000-0x0000000006A46000-memory.dmp family_onlylogger behavioral2/memory/1608-132-0x0000000000400000-0x0000000004DCD000-memory.dmp family_onlylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Program crash 8 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target Process procid_target 1288 1608 WerFault.exe 82 4220 1608 WerFault.exe 82 1296 1608 WerFault.exe 82 1652 1608 WerFault.exe 82 4412 1608 WerFault.exe 82 2816 1608 WerFault.exe 82 1716 1608 WerFault.exe 82 3124 1608 WerFault.exe 82 -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 4936 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 4936 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.execmd.exedescription pid Process procid_target PID 1608 wrote to memory of 4332 1608 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe 104 PID 1608 wrote to memory of 4332 1608 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe 104 PID 1608 wrote to memory of 4332 1608 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe 104 PID 4332 wrote to memory of 4936 4332 cmd.exe 108 PID 4332 wrote to memory of 4936 4332 cmd.exe 108 PID 4332 wrote to memory of 4936 4332 cmd.exe 108
Processes
-
C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe"C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 6122⤵
- Program crash
PID:1288
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 6162⤵
- Program crash
PID:4220
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 6122⤵
- Program crash
PID:1296
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 7842⤵
- Program crash
PID:1652
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 8522⤵
- Program crash
PID:4412
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 11842⤵
- Program crash
PID:2816
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 11922⤵
- Program crash
PID:1716
-
-
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⤵
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4936
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 10722⤵
- Program crash
PID:3124
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1608 -ip 16081⤵PID:2160
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1608 -ip 16081⤵PID:4908
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1608 -ip 16081⤵PID:228
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1608 -ip 16081⤵PID:1504
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1608 -ip 16081⤵PID:3700
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1608 -ip 16081⤵PID:5036
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1608 -ip 16081⤵PID:3704
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1608 -ip 16081⤵PID:4516