General
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Target
asena.exe
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Size
39KB
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Sample
240907-dsq8assclm
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MD5
7529e3c83618f5e3a4cc6dbf3a8534a6
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SHA1
0f944504eebfca5466b6113853b0d83e38cf885a
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SHA256
ec35c76ad2c8192f09c02eca1f263b406163470ca8438d054db7adcf5bfc0597
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SHA512
7eef97937cc1e3afd3fca0618328a5b6ecb72123a199739f6b1b972dd90e01e07492eb26352ee00421d026c63af48973c014bdd76d95ea841eb2fefd613631cc
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SSDEEP
768:spCmKJILjsoq65corBjd/3oqab0k3RLKul1FXI4xyuRe:splco4aFoqaXpTXISR
Static task
static1
Behavioral task
behavioral1
Sample
asena.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
asena.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Public\Documents\RGNR_305F338A.txt
1BKK8bsFfG3YxTd3N15GxaYfHopoThXoY4
https://tox.chat/download.html
Targets
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Target
asena.exe
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Size
39KB
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MD5
7529e3c83618f5e3a4cc6dbf3a8534a6
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SHA1
0f944504eebfca5466b6113853b0d83e38cf885a
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SHA256
ec35c76ad2c8192f09c02eca1f263b406163470ca8438d054db7adcf5bfc0597
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SHA512
7eef97937cc1e3afd3fca0618328a5b6ecb72123a199739f6b1b972dd90e01e07492eb26352ee00421d026c63af48973c014bdd76d95ea841eb2fefd613631cc
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SSDEEP
768:spCmKJILjsoq65corBjd/3oqab0k3RLKul1FXI4xyuRe:splco4aFoqaXpTXISR
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RagnarLocker
Ransomware first seen at the end of 2019, which has been used in targetted attacks against multiple companies.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (7815) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Drops startup file
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Enterprise v15
Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1