Analysis
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max time kernel
142s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
05/08/2023, 09:53
Static task
static1
Behavioral task
behavioral1
Sample
1ad7213fc35b76e52a5278afd382c8dc.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
1ad7213fc35b76e52a5278afd382c8dc.exe
Resource
win10v2004-20230703-en
General
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Target
1ad7213fc35b76e52a5278afd382c8dc.exe
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Size
456KB
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MD5
1ad7213fc35b76e52a5278afd382c8dc
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SHA1
4549bd31a3f09c8bc48bc763d3d2387b63bfe0b0
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SHA256
0c9d6d9180321e740f823f4a5d5d356cefdf7211d264401a6ccc61fa3cd6728f
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SHA512
09a33b0d959e832d9b6fc9c47e6f5d2642655714f63e88d2f23987c8314896b6bc7d590a1657b6deda27dc96eb081394b5d2c397d56d0b3fb8de36fc59a90b03
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SSDEEP
12288:NWHCM2K4CGcmpn4XkGtSDOidayNXODXC:n3CGv1LqPDX
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.vivaldi.net - Port:
587 - Username:
[email protected] - Password:
#munachimso# - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4668-147-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 31 checkip.dyndns.org 33 freegeoip.app 34 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 208 set thread context of 4668 208 1ad7213fc35b76e52a5278afd382c8dc.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2480 4668 WerFault.exe 92 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2808 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 208 1ad7213fc35b76e52a5278afd382c8dc.exe 208 1ad7213fc35b76e52a5278afd382c8dc.exe 4668 1ad7213fc35b76e52a5278afd382c8dc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 208 1ad7213fc35b76e52a5278afd382c8dc.exe Token: SeDebugPrivilege 4668 1ad7213fc35b76e52a5278afd382c8dc.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 208 wrote to memory of 2808 208 1ad7213fc35b76e52a5278afd382c8dc.exe 90 PID 208 wrote to memory of 2808 208 1ad7213fc35b76e52a5278afd382c8dc.exe 90 PID 208 wrote to memory of 2808 208 1ad7213fc35b76e52a5278afd382c8dc.exe 90 PID 208 wrote to memory of 4668 208 1ad7213fc35b76e52a5278afd382c8dc.exe 92 PID 208 wrote to memory of 4668 208 1ad7213fc35b76e52a5278afd382c8dc.exe 92 PID 208 wrote to memory of 4668 208 1ad7213fc35b76e52a5278afd382c8dc.exe 92 PID 208 wrote to memory of 4668 208 1ad7213fc35b76e52a5278afd382c8dc.exe 92 PID 208 wrote to memory of 4668 208 1ad7213fc35b76e52a5278afd382c8dc.exe 92 PID 208 wrote to memory of 4668 208 1ad7213fc35b76e52a5278afd382c8dc.exe 92 PID 208 wrote to memory of 4668 208 1ad7213fc35b76e52a5278afd382c8dc.exe 92 PID 208 wrote to memory of 4668 208 1ad7213fc35b76e52a5278afd382c8dc.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\1ad7213fc35b76e52a5278afd382c8dc.exe"C:\Users\Admin\AppData\Local\Temp\1ad7213fc35b76e52a5278afd382c8dc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DNKTRTBDxaB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1894.tmp"2⤵
- Creates scheduled task(s)
PID:2808
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C:\Users\Admin\AppData\Local\Temp\1ad7213fc35b76e52a5278afd382c8dc.exe"C:\Users\Admin\AppData\Local\Temp\1ad7213fc35b76e52a5278afd382c8dc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4668 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4668 -s 18243⤵
- Program crash
PID:2480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4668 -ip 46681⤵PID:3876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1ad7213fc35b76e52a5278afd382c8dc.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3