Analysis
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max time kernel
136s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
23-05-2022 18:22
Static task
static1
Behavioral task
behavioral1
Sample
01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe
Resource
win7-20220414-en
General
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Target
01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe
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Size
28KB
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MD5
5b70d0093091a03dec58ec96331a3e60
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SHA1
65e9bbb4651d0137d252977d12391d3a3a7d9edc
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SHA256
01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a
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SHA512
4d9a87b97e57621df3337b5d1b214e30f794545dcb47ff887b7fabf7186cf395ad64c3b061ce7e7ee0d399f3358b3cb172ca23f63f4c4c09b6ee52ed406e1e24
Malware Config
Extracted
limerat
1NVdWmBPhq364foSwdwNskjpvkcCdEDymb
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aes_key
88
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antivm
true
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c2_url
https://pastebin.com/raw/wCACXBsj
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delay
3
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download_payload
false
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install
true
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install_name
Wservices.exe
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main_folder
Temp
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pin_spread
true
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sub_folder
\
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usb_spread
true
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Wservices.exepid process 644 Wservices.exe -
Loads dropped DLL 2 IoCs
Processes:
01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exepid process 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exeWservices.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Wservices.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 Wservices.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Wservices.exedescription pid process Token: SeDebugPrivilege 644 Wservices.exe Token: SeDebugPrivilege 644 Wservices.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exedescription pid process target process PID 1648 wrote to memory of 564 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe schtasks.exe PID 1648 wrote to memory of 564 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe schtasks.exe PID 1648 wrote to memory of 564 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe schtasks.exe PID 1648 wrote to memory of 564 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe schtasks.exe PID 1648 wrote to memory of 644 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe Wservices.exe PID 1648 wrote to memory of 644 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe Wservices.exe PID 1648 wrote to memory of 644 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe Wservices.exe PID 1648 wrote to memory of 644 1648 01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe Wservices.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe"C:\Users\Admin\AppData\Local\Temp\01b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a.exe"1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\Wservices.exe'"2⤵
- Creates scheduled task(s)
PID:564
-
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C:\Users\Admin\AppData\Local\Temp\Wservices.exe"C:\Users\Admin\AppData\Local\Temp\Wservices.exe"2⤵
- Executes dropped EXE
- Maps connected drives based on registry
- Suspicious use of AdjustPrivilegeToken
PID:644
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
28KB
MD55b70d0093091a03dec58ec96331a3e60
SHA165e9bbb4651d0137d252977d12391d3a3a7d9edc
SHA25601b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a
SHA5124d9a87b97e57621df3337b5d1b214e30f794545dcb47ff887b7fabf7186cf395ad64c3b061ce7e7ee0d399f3358b3cb172ca23f63f4c4c09b6ee52ed406e1e24
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Filesize
28KB
MD55b70d0093091a03dec58ec96331a3e60
SHA165e9bbb4651d0137d252977d12391d3a3a7d9edc
SHA25601b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a
SHA5124d9a87b97e57621df3337b5d1b214e30f794545dcb47ff887b7fabf7186cf395ad64c3b061ce7e7ee0d399f3358b3cb172ca23f63f4c4c09b6ee52ed406e1e24
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Filesize
28KB
MD55b70d0093091a03dec58ec96331a3e60
SHA165e9bbb4651d0137d252977d12391d3a3a7d9edc
SHA25601b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a
SHA5124d9a87b97e57621df3337b5d1b214e30f794545dcb47ff887b7fabf7186cf395ad64c3b061ce7e7ee0d399f3358b3cb172ca23f63f4c4c09b6ee52ed406e1e24
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Filesize
28KB
MD55b70d0093091a03dec58ec96331a3e60
SHA165e9bbb4651d0137d252977d12391d3a3a7d9edc
SHA25601b5f44cdf8085044c0f6b42f7cc1159d813e599deb76ed6e02c78c1833b717a
SHA5124d9a87b97e57621df3337b5d1b214e30f794545dcb47ff887b7fabf7186cf395ad64c3b061ce7e7ee0d399f3358b3cb172ca23f63f4c4c09b6ee52ed406e1e24