General
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Target
9229d1a5110c386aeee24ac0ae8d7cc88236211582c9d3ff07af756b631eed9a
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Size
781KB
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Sample
230618-lfjaxsfe9x
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MD5
f16c310abbd8526c7f8be042dd0c1e6f
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SHA1
ec00179358b666f881ee78768b3574454b45ca98
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SHA256
9229d1a5110c386aeee24ac0ae8d7cc88236211582c9d3ff07af756b631eed9a
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SHA512
7a1f7f38afd82dbaf2cfcf721897c6f62195eb5418e1f086bf2604dd2ba567904b7d5a6a3f11f1b00006f84621f771601d45f0d31e0db20b07cf89cb48ef529f
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SSDEEP
12288:Tqx4OFxAD67SNsv7NCrgBH5rGEvz6pyS3d8RKJI/41KjNnMaNifMtxlYL:TQ3mNsJMgBZrtSNbIgQNlAETlYL
Static task
static1
Behavioral task
behavioral1
Sample
9229d1a5110c386aeee24ac0ae8d7cc88236211582c9d3ff07af756b631eed9a.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.ahtw
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offline_id
vPWUuYIO6Lzy2cGt8zL7FERKTf4QMBPjn7F005t1
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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
vidar
4.3
a129a8292a021d62796bfced1018aa1f
https://steamcommunity.com/profiles/76561199514261168
https://t.me/kamaprimo
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profile_id_v2
a129a8292a021d62796bfced1018aa1f
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user_agent
Mozilla/5.0 (Linux; U; Tizen 2.0; en-us) AppleWebKit/537.1 (KHTML, like Gecko) Mobile TizenBrowser/2.0
Targets
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Target
9229d1a5110c386aeee24ac0ae8d7cc88236211582c9d3ff07af756b631eed9a
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Size
781KB
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MD5
f16c310abbd8526c7f8be042dd0c1e6f
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SHA1
ec00179358b666f881ee78768b3574454b45ca98
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SHA256
9229d1a5110c386aeee24ac0ae8d7cc88236211582c9d3ff07af756b631eed9a
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SHA512
7a1f7f38afd82dbaf2cfcf721897c6f62195eb5418e1f086bf2604dd2ba567904b7d5a6a3f11f1b00006f84621f771601d45f0d31e0db20b07cf89cb48ef529f
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SSDEEP
12288:Tqx4OFxAD67SNsv7NCrgBH5rGEvz6pyS3d8RKJI/41KjNnMaNifMtxlYL:TQ3mNsJMgBZrtSNbIgQNlAETlYL
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Detected Djvu ransomware
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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