Analysis
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max time kernel
147s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
23-04-2021 09:26
Static task
static1
Behavioral task
behavioral1
Sample
New PO.xls_.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
New PO.xls_.exe
Resource
win10v20210408
General
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Target
New PO.xls_.exe
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Size
823KB
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MD5
25ca1917e0bceca252031cd318ca2255
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SHA1
b241b8ce758acfd6ff0a3df464caf7f3105d0777
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SHA256
5ee0ab3fbf21156b9e04fcc7e3a7a80934d11a34855c826985661fb276de88fb
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SHA512
3e9a48a3e927969a2f7f740afee8f37bb188831477d13dd3442b307eff8e90ccf1c3a154c2e1215bd605650c27c358558fad0a2bf6d291a7f17609bd83056309
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.lallyautomobiles.net - Port:
587 - Username:
servicekrl@lallyautomobiles.net - Password:
Welcome@2021
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1472-124-0x0000000000400000-0x0000000000466000-memory.dmp family_snakekeylogger behavioral2/memory/1472-125-0x0000000000461CAE-mapping.dmp family_snakekeylogger behavioral2/memory/1472-131-0x0000000005A50000-0x0000000005F4E000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 14 checkip.dyndns.org 17 freegeoip.app 18 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
New PO.xls_.exedescription pid process target process PID 644 set thread context of 1472 644 New PO.xls_.exe New PO.xls_.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
New PO.xls_.exepid process 1472 New PO.xls_.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
New PO.xls_.exedescription pid process Token: SeDebugPrivilege 1472 New PO.xls_.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
New PO.xls_.exedescription pid process target process PID 644 wrote to memory of 1472 644 New PO.xls_.exe New PO.xls_.exe PID 644 wrote to memory of 1472 644 New PO.xls_.exe New PO.xls_.exe PID 644 wrote to memory of 1472 644 New PO.xls_.exe New PO.xls_.exe PID 644 wrote to memory of 1472 644 New PO.xls_.exe New PO.xls_.exe PID 644 wrote to memory of 1472 644 New PO.xls_.exe New PO.xls_.exe PID 644 wrote to memory of 1472 644 New PO.xls_.exe New PO.xls_.exe PID 644 wrote to memory of 1472 644 New PO.xls_.exe New PO.xls_.exe PID 644 wrote to memory of 1472 644 New PO.xls_.exe New PO.xls_.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\New PO.xls_.exe"C:\Users\Admin\AppData\Local\Temp\New PO.xls_.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\New PO.xls_.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\New PO.xls_.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/644-121-0x0000000007DF0000-0x0000000007DFE000-memory.dmpFilesize
56KB
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memory/644-117-0x0000000004950000-0x0000000004951000-memory.dmpFilesize
4KB
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memory/644-118-0x0000000004950000-0x0000000004E4E000-memory.dmpFilesize
5.0MB
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memory/644-119-0x00000000049F0000-0x00000000049F1000-memory.dmpFilesize
4KB
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memory/644-120-0x0000000007E90000-0x0000000007E91000-memory.dmpFilesize
4KB
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memory/644-114-0x0000000000020000-0x0000000000021000-memory.dmpFilesize
4KB
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memory/644-122-0x00000000080D0000-0x000000000816A000-memory.dmpFilesize
616KB
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memory/644-123-0x000000000A840000-0x000000000A8CB000-memory.dmpFilesize
556KB
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memory/644-116-0x0000000004E50000-0x0000000004E51000-memory.dmpFilesize
4KB
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memory/1472-124-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/1472-125-0x0000000000461CAE-mapping.dmp
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memory/1472-131-0x0000000005A50000-0x0000000005F4E000-memory.dmpFilesize
5.0MB
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memory/1472-132-0x0000000006C60000-0x0000000006C61000-memory.dmpFilesize
4KB