General
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Target
d41ca3f8c094abda9409b9c405bdcdf6eb79856a0ecf5ac3a358c2fc6760f7d4_JC.exe
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Size
306KB
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Sample
230925-twmbhsab48
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MD5
d242355dfa20d58280aa72867f41ce60
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SHA1
b47064bde013cee0e949010e529a89e4f6a50228
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SHA256
d41ca3f8c094abda9409b9c405bdcdf6eb79856a0ecf5ac3a358c2fc6760f7d4
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SHA512
fe37ecca93ab62626de7c0598f2c331d9182caee4fcee28ed56fbac64ea04e64f60d23fd580dcce3e89cc26c8ce30051e9aa32cd2c88ae50e2c1eae96412d1ca
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SSDEEP
3072:ov/XR0GYhaljdPaVkLaVtXXdF5APx8BaOxWCB9vjXydh+:0/h0hhalhPauLItXNF5AP6aO4CB9vW
Static task
static1
Behavioral task
behavioral1
Sample
d41ca3f8c094abda9409b9c405bdcdf6eb79856a0ecf5ac3a358c2fc6760f7d4_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
d41ca3f8c094abda9409b9c405bdcdf6eb79856a0ecf5ac3a358c2fc6760f7d4_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/
Extracted
redline
LogsDiller Cloud (TG: @logsdillabot)
146.59.10.173:45035
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
djvu
http://zexeq.com/lancer/get.php
http://zexeq.com/raud/get.php
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extension
.azop
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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
smokeloader
up3
Targets
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Target
d41ca3f8c094abda9409b9c405bdcdf6eb79856a0ecf5ac3a358c2fc6760f7d4_JC.exe
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Size
306KB
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MD5
d242355dfa20d58280aa72867f41ce60
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SHA1
b47064bde013cee0e949010e529a89e4f6a50228
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SHA256
d41ca3f8c094abda9409b9c405bdcdf6eb79856a0ecf5ac3a358c2fc6760f7d4
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SHA512
fe37ecca93ab62626de7c0598f2c331d9182caee4fcee28ed56fbac64ea04e64f60d23fd580dcce3e89cc26c8ce30051e9aa32cd2c88ae50e2c1eae96412d1ca
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SSDEEP
3072:ov/XR0GYhaljdPaVkLaVtXXdF5APx8BaOxWCB9vjXydh+:0/h0hhalhPauLItXNF5AP6aO4CB9vW
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Detected Djvu ransomware
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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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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Deletes itself
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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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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
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1