General
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Target
67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973
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Size
253KB
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Sample
230225-sfmrnsde57
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MD5
a14d133c4e07e90b869d609f97f087de
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SHA1
10dfd3380619e8ecc12e6bdbe3213f832734b3b4
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SHA256
67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973
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SHA512
3138325f21cda6c210e9537bd6de74f85180c6a6469f390437a8c1c3cd3d0c5518faa2162d3ffff77e735952823d254fac303dcb836f838138528830a1777ce1
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SSDEEP
3072:5olFeULxFDYuLj32/XJm/Dv6OnVRALbmsKeVvb+PNhC1hIWfz3+qlhCo:mRLQuLj2ODvJfdPeVvoNhC3nu
Static task
static1
Behavioral task
behavioral1
Sample
67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://jiqaz.com/lancer/get.php
http://jiqaz.com/test2/get.php
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extension
.iotr
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offline_id
O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1
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payload_url
http://uaery.top/dl/build2.exe
http://jiqaz.com/files/1/build3.exe
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ransomnote
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Targets
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Target
67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973
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Size
253KB
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MD5
a14d133c4e07e90b869d609f97f087de
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SHA1
10dfd3380619e8ecc12e6bdbe3213f832734b3b4
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SHA256
67340d8273f1699f99437c878c6c9f7d540d68246afa462df2ae4a09e1d1d973
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SHA512
3138325f21cda6c210e9537bd6de74f85180c6a6469f390437a8c1c3cd3d0c5518faa2162d3ffff77e735952823d254fac303dcb836f838138528830a1777ce1
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SSDEEP
3072:5olFeULxFDYuLj32/XJm/Dv6OnVRALbmsKeVvb+PNhC1hIWfz3+qlhCo:mRLQuLj2ODvJfdPeVvoNhC3nu
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Detected Djvu ransomware
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Detects PseudoManuscrypt payload
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Detects Smokeloader packer
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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PseudoManuscrypt
PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.
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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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Modifies file permissions
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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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 v6
Persistence
Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
1