Analysis
- max time kernel
144s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
04/06/2022, 13:15
Static task
static1
Behavioral task
behavioral1
Sample
102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe
Resource
win7-20220414-en
0 signatures
0 seconds
General
- Target 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe
- Size 477KB
- Sample220604-qg979aggc6
- SHA256 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282
- MD5 db656d2e27d6498ff0fe5b390c00dcd9
- SHA1 e27a71fd4a9ae85806e45e3ec0f5e9e44f570bf6
- SHA512 0612c64bd68db820799cd5d27af58e9aaff6c800e35521789d28bb528e332d53a2b614fc5cd0e881fe2cade1870589b4d524a4d93cc51fac91c05b3f07cf54bf
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
limerat
Wallets
-
1JBKLGyE6AnRGvk92A8x3m8qmXfh3fcEty
Attributes
-
aes_key
nulled
-
antivm
true
-
c2_url
https://pastebin.com/raw/cXuQ0V20
-
delay
33
-
download_payload
false
-
install
false
-
install_name
Winservices.exe
-
main_folder
AppData
-
pin_spread
false
-
sub_folder
\Services\
-
usb_spread
true
Signatures
-
resource yara_rule behavioral2/memory/4904-130-0x0000000000150000-0x000000000026B000-memory.dmp upx behavioral2/memory/4904-136-0x0000000000150000-0x000000000026B000-memory.dmp upx - Drops startup file 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WWAHost.url 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum RegAsm.exe - AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4904-130-0x0000000000150000-0x000000000026B000-memory.dmp autoit_exe behavioral2/memory/4904-136-0x0000000000150000-0x000000000026B000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4904 set thread context of 5056 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 80 - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5056 RegAsm.exe Token: SeDebugPrivilege 5056 RegAsm.exe - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe - Suspicious use of SendNotifyMessage 4 IoCs
pid Process 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4904 wrote to memory of 5056 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 80 PID 4904 wrote to memory of 5056 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 80 PID 4904 wrote to memory of 5056 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 80 PID 4904 wrote to memory of 5056 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 80 PID 4904 wrote to memory of 5056 4904 102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe"C:\Users\Admin\AppData\Local\Temp\102c40347d336ac6d2a49d957243d25040b6970fd54c0fb9e424c491317ce282.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Maps connected drives based on registry
- Suspicious use of AdjustPrivilegeToken
PID:5056
-