General
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Target
d87d1d32a5239ed72c354788a64836e720b68e5f87c46a8793fbbaf3c2857955_JC.exe
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Size
238KB
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Sample
230923-x48q9saa71
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MD5
e413ba615d242f32f02e33cb8b3afb99
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SHA1
b671ce0e460a412fcba62cd5959290ecb3e0b65d
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SHA256
d87d1d32a5239ed72c354788a64836e720b68e5f87c46a8793fbbaf3c2857955
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SHA512
7478839c081f47466eaf1fc2bfdaaba107a755ecd3d300c1836ae1f6506caea4627a8fea022fa8e7f58c74e6069ae5c12b1d2e40c8c1bf10feee4f5a3a3afdbd
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SSDEEP
3072:u/ch0pofVTnn7VCWOoFIH0EaGSuv0wdtS1XuH+v45vDlmTzj:rqITn7cWZyH8WMwd06+SxmT
Static task
static1
Behavioral task
behavioral1
Sample
d87d1d32a5239ed72c354788a64836e720b68e5f87c46a8793fbbaf3c2857955_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
d87d1d32a5239ed72c354788a64836e720b68e5f87c46a8793fbbaf3c2857955_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://potunulit.org/
http://hutnilior.net/
http://bulimu55t.net/
http://soryytlic4.net/
http://novanosa5org.org/
http://nuljjjnuli.org/
http://tolilolihul.net/
http://somatoka51hub.net/
http://hujukui3.net/
http://bukubuka1.net/
http://golilopaster.org/
http://newzelannd66.org/
http://otriluyttn.org/
http://gudintas.at/tmp/
http://pik96.ru/tmp/
http://rosatiauto.com/tmp/
http://kingpirate.ru/tmp/
Extracted
djvu
http://zexeq.com/raud/get.php
http://zexeq.com/lancer/get.php
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extension
.azhi
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offline_id
GQ9DjFmWFDqpsyzsOnaxE1Xr4MPL1dG4vPfPDNt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
redline
LogsDiller Cloud (TG: @logsdillabot)
51.38.95.107:42494
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
redline
5.42.65.101:40676
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auth_value
909a45aeb6f84954c2adb84717b244e0
Extracted
smokeloader
pub1
Targets
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Target
d87d1d32a5239ed72c354788a64836e720b68e5f87c46a8793fbbaf3c2857955_JC.exe
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Size
238KB
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MD5
e413ba615d242f32f02e33cb8b3afb99
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SHA1
b671ce0e460a412fcba62cd5959290ecb3e0b65d
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SHA256
d87d1d32a5239ed72c354788a64836e720b68e5f87c46a8793fbbaf3c2857955
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SHA512
7478839c081f47466eaf1fc2bfdaaba107a755ecd3d300c1836ae1f6506caea4627a8fea022fa8e7f58c74e6069ae5c12b1d2e40c8c1bf10feee4f5a3a3afdbd
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SSDEEP
3072:u/ch0pofVTnn7VCWOoFIH0EaGSuv0wdtS1XuH+v45vDlmTzj:rqITn7cWZyH8WMwd06+SxmT
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Detected Djvu ransomware
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Downloads MZ/PE file
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Stops running service(s)
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
1