Analysis
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max time kernel
118s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
04/08/2023, 04:42
Static task
static1
Behavioral task
behavioral1
Sample
TKSC2310596000.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
TKSC2310596000.exe
Resource
win10v2004-20230703-en
General
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Target
TKSC2310596000.exe
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Size
544KB
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MD5
c580578c2d1d9203d43537f6e71a7c99
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SHA1
ccff8d607eef5159e44fa349fb8fa7e8560600ec
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SHA256
c545399c898bb75310af8f052aafc91e44893ff82905d80f3b449321b6c61489
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SHA512
0abc9c9b8ce4ce830542e5ee2ab0a93ccf10f13b273ff0791bed71330aba07d9fe9a90dbdde0896dfcf79f928431f2592e215ea4247b9c86142c07124050d44a
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SSDEEP
12288:2+15YQvjOuVfIQ3e97weN2LhB0iXmVDW0MDhYm5:2+1XOuv3C92LL0iXm+hYm5
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.alshagran.com.sa - Port:
587 - Username:
[email protected] - Password:
InI%789987014 - 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 5 IoCs
resource yara_rule behavioral1/memory/3036-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3036-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3036-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3036-72-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/3036-74-0x0000000000400000-0x0000000000426000-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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2332 set thread context of 3036 2332 TKSC2310596000.exe 30 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3036 TKSC2310596000.exe 3036 TKSC2310596000.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3036 TKSC2310596000.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2332 wrote to memory of 3036 2332 TKSC2310596000.exe 30 PID 2332 wrote to memory of 3036 2332 TKSC2310596000.exe 30 PID 2332 wrote to memory of 3036 2332 TKSC2310596000.exe 30 PID 2332 wrote to memory of 3036 2332 TKSC2310596000.exe 30 PID 2332 wrote to memory of 3036 2332 TKSC2310596000.exe 30 PID 2332 wrote to memory of 3036 2332 TKSC2310596000.exe 30 PID 2332 wrote to memory of 3036 2332 TKSC2310596000.exe 30 PID 2332 wrote to memory of 3036 2332 TKSC2310596000.exe 30 PID 2332 wrote to memory of 3036 2332 TKSC2310596000.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe"C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe"C:\Users\Admin\AppData\Local\Temp\TKSC2310596000.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3036
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