Analysis
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max time kernel
42s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
19-05-2024 23:55
General
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Target
Remcos Professional.exe
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Size
6.5MB
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MD5
1ecae7b88236fff686604c40f2ec8ef0
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SHA1
5338d387c764b7da0a097e4dd38c17c603e62b08
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SHA256
95a3f82e8e77aeb491d7faaf17c4f206763ff7eb08b8696e28ad109b67b984cf
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SHA512
6a396bf98181250a2a386c2ee4dbcd8a4be6e23de029d614296e6f33a66b6f6049b487ef07d70936812c31f6cce7bb1b709361b749e0b1ad3507382b26c00a5c
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SSDEEP
196608:CyDxS34Qskc93Uuze5VbN0Wp4ctz7Z9aVi:txb1kcWuzku84cNd
Malware Config
Signatures
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Luca Stealer
Info stealer written in Rust first seen in July 2022.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious behavior: LoadsDriver 6 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Remcos Professional.exe"C:\Users\Admin\AppData\Local\Temp\Remcos Professional.exe"1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\msdt.exe"C:\Windows\System32\msdt.exe" -skip TRUE -id NetworkDiagnosticsNetworkAdapter -ep NetworkDiagnosticsPNI1⤵
- Suspicious use of FindShellTrayWindow
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C:\Windows\System32\sdiagnhost.exeC:\Windows\System32\sdiagnhost.exe -Embedding1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exe"C:\Windows\system32\netsh.exe" trace diagnose Scenario=NetworkSnapshot Mode=NetTroubleshooter AdapterGuid={AB2418AB-8E27-47CB-B73C-A84AC6D163ED}2⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
66KB
MD563d0c27fa280a51258643617b8feeb31
SHA1d644140bfa3bdf2f54ab6af6dcf0d5bc75ddf40a
SHA256d4cb310eef2ee4d075a29e91ca55e4e8f457a70bfc8954c2171239cfdd70ae8b
SHA512fa91300632c8a3b1c667ecb10e0ff51a4c6f60b6370ebde2906abc75daff64176ec15dba59a9fb19032c8a5c02d60577c61e0fc6a7ae1173fae2b8bdbc8e9122
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Filesize
47KB
MD5310e1da2344ba6ca96666fb639840ea9
SHA1e8694edf9ee68782aa1de05470b884cc1a0e1ded
SHA25667401342192babc27e62d4c1e0940409cc3f2bd28f77399e71d245eae8d3f63c
SHA51262ab361ffea1f0b6ff1cc76c74b8e20c2499d72f3eb0c010d47dba7e6d723f9948dba3397ea26241a1a995cffce2a68cd0aaa1bb8d917dd8f4c8f3729fa6d244
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1.8MB
MD50da374907e984aec1ca5da730106a03c
SHA13977a91acef46cea61c1735743afa7368e4df2a5
SHA2568e79949ac5d413099dd2baca24e21780c308c78af24dd77153a6ce703ab3530f
SHA512568e49934820b668b3d1d92f550a8cf7aee7248a7117164b1e1f0d9ac774e790a6f3a7b56db5cc0a56a04e93b23c873153297bfb22585ad5368dc7d9af6648c8
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Filesize
25KB
MD5d0cfc204ca3968b891f7ce0dccfb2eda
SHA156dad1716554d8dc573d0ea391f808e7857b2206
SHA256e3940266b4368c04333db89804246cb89bf2073626f22b8de72bea27c522282a
SHA5124d2225b599ad8af8ba8516f12cfddca5ec0ce69c5c80b133a6a323e9aaf5e0312efbcfa54d2e4462a5095f9a7c42b9d5b39f3204e0be72c3b1992cf33b22087c
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Filesize
53KB
MD5c912faa190464ce7dec867464c35a8dc
SHA1d1c6482dad37720db6bdc594c4757914d1b1dd70
SHA2563891846307aa9e83bca66b13198455af72af45bf721a2fbd41840d47e2a91201
SHA5125c34352d36459fd8fcda5b459a2e48601a033af31d802a90ed82c443a5a346b9480880d30c64db7ad0e4a8c35b98c98f69eceedad72f2a70d9c6cca74dce826a
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Filesize
2KB
MD50c75ae5e75c3e181d13768909c8240ba
SHA1288403fc4bedaacebccf4f74d3073f082ef70eb9
SHA256de5c231c645d3ae1e13694284997721509f5de64ee5c96c966cdfda9e294db3f
SHA5128fc944515f41a837c61a6c4e5181ca273607a89e48fbf86cf8eb8db837aed095aa04fc3043029c3b5cb3710d59abfd86f086ac198200f634bfb1a5dd0823406b
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Filesize
5KB
MD5380768979618b7097b0476179ec494ed
SHA1af2a03a17c546e4eeb896b230e4f2a52720545ab
SHA2560637af30fc3b3544b1f516f6196a8f821ffbfa5d36d65a8798aeeadbf2e8a7c2
SHA512b9ef59e9bfdbd49052a4e754ead8cd54b77e79cc428e7aee2b80055ff5f0b038584af519bd2d66258cf3c01f8cc71384f6959ee32111eac4399c47e1c2352302
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Filesize
478KB
MD5580dc3658fa3fe42c41c99c52a9ce6b0
SHA13c4be12c6e3679a6c2267f88363bbd0e6e00cac5
SHA2565b7aa413e4a64679c550c77e6599a1c940ee947cbdf77d310e142a07a237aad2
SHA51268c52cd7b762b8f5d2f546092ed9c4316924fa04bd3ab748ab99541a8b4e7d9aec70acf5c9594d1457ad3a2f207d0c189ec58421d4352ddbc7eae453324d13f2
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Filesize
17KB
MD544c4385447d4fa46b407fc47c8a467d0
SHA141e4e0e83b74943f5c41648f263b832419c05256
SHA2568be175e8fbdae0dade54830fece6c6980d1345dbeb4a06c07f7efdb1152743f4
SHA512191cd534e85323a4cd9649a1fc372312ed4a600f6252dffc4435793650f9dd40d0c0e615ba5eb9aa437a58af334146aac7c0ba08e0a1bf24ec4837a40f966005
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Filesize
25.3MB
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Filesize
25.3MB
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Filesize
136KB