Resubmissions
10-04-2024 02:55
240410-dektcsff5x 1010-04-2024 02:54
240410-dd6z7scc89 1010-04-2024 02:54
240410-dd6pfacc88 1010-04-2024 02:54
240410-dd53xacc87 1009-09-2023 16:01
230909-tgqqdscd3z 7Analysis
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max time kernel
138s -
max time network
173s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
10-04-2024 02:54
General
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Target
dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe
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Size
203KB
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MD5
661cdb95fe5810f365ddb936ea8f3432
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SHA1
6210c0691ee20e61dc9a9da1a371d561cd850774
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SHA256
dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236a
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SHA512
aa25009dfbddfb300c14ab65c9eeb68aa785a54d40fa28a684275b9f506cc6fd337842cf42c54bcff79018241c9a0ac606ad4ebf614a2a355aed7e6dbe70c41d
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SSDEEP
6144:8N0J0dLFzW/wKWsBGKqkv07bKXZSgsBuQdwLhXC1:8NDpzGAsgL+ZSwQdwLhXC1
Malware Config
Signatures
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Detect Gurcu Stealer V3 payload 3 IoCs
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Detect ZGRat V1 3 IoCs
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Gurcu, WhiteSnake
Gurcu is a malware stealer written in C#.
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ZGRat
ZGRat is remote access trojan written in C#.
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Deletes itself 1 IoCs
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Executes dropped EXE 3 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Accesses Microsoft Outlook profiles 1 TTPs 9 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies system certificate store 2 TTPs 6 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 30 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\EsetSecurity\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe" &&START "" "C:\Users\Admin\AppData\Local\EsetSecurity\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
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C:\Windows\system32\schtasks.exeschtasks /create /tn "dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\EsetSecurity\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\EsetSecurity\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe"C:\Users\Admin\AppData\Local\EsetSecurity\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2804 -s 31444⤵
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C:\Windows\system32\taskeng.exetaskeng.exe {40E74D1F-F825-4945-94CC-81F15F1B40AC} S-1-5-21-406356229-2805545415-1236085040-1000:IKJSPGIM\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\EsetSecurity\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exeC:\Users\Admin\AppData\Local\EsetSecurity\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 984 -s 32323⤵
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C:\Users\Admin\AppData\Local\EsetSecurity\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exeC:\Users\Admin\AppData\Local\EsetSecurity\dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236aexe_JC.exe2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2716 -s 32483⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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Filesize
344B
MD51e50128d20da3f6089a6d2dcf9bc1b41
SHA1d0a3fb2b202a4341212b672cdd747b0c72b13eb5
SHA256efa3321a2997dd688c3cce06e5096102c9808227cfcf4183c9ab3a68dab952ff
SHA5120e3520ac36c4e9c57f506ca3f2956da83ad46e6c8fea556f953ed9e0a522ca289006fb3c9750c1a01d5c4cce8d0b7d05f8df62b7b6e36c5e4f229b7b9c56ab37
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Filesize
344B
MD519b0acc4a27fdeedafe4374dd3ae2e96
SHA1b1cdb258baf8ec1235fdaf6fb0739a1e16e3e7dd
SHA256aa1a0245d6bb3de3babd08593e4173d43042c0843b4ac95d6b93aeb64610433f
SHA512c65268b3a0160a990bc5ef3cc01eee5577eb3afd65e6c865d24d3ecdc3073cfb197450f9da8e9840257d6fbfe1d6260f0e73a608708d588c0f1e8d50656f3d40
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Filesize
344B
MD522a9bee13c670900893c3bd8b04859b9
SHA1f883511a917f4fecd1136bb1b5d26682537fc3db
SHA2563c45c267f22e8a0bc62ec930cbd5141ab2307af987a7cf4e1933fac525d4d947
SHA512c7371bf9b925d4f6653adea2380c87d89f888a2c4015fd3a0e96b5f4f3a7cad2740d9b8c8ec301abf8de234cca7fdeb703993fdd2aa06e70cd626a182491a520
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Filesize
4B
MD57d97667a3e056acab9aaf653807b4a03
SHA17072c31ed58b3a21bbf880c206802aa5221eecfb
SHA256c7f1134cc95fd6534aedb2b5d51cce72cab771ffe0d5dfd8986d45a4c452b8b7
SHA512b699576492cf4e0a209f5498ebb83260bf80adc17f8e7f190befc1a68716e1ba12136b7c5e1078c3c771d5be1e02917b07ded4dd9d6496fa1dbf4a7d114c522b
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Filesize
203KB
MD5661cdb95fe5810f365ddb936ea8f3432
SHA16210c0691ee20e61dc9a9da1a371d561cd850774
SHA256dba803bf0917907fad2aa9163b78a20ba8ba2b9a79cf105dede3a5acd821236a
SHA512aa25009dfbddfb300c14ab65c9eeb68aa785a54d40fa28a684275b9f506cc6fd337842cf42c54bcff79018241c9a0ac606ad4ebf614a2a355aed7e6dbe70c41d
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
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Filesize
82B
MD51d2c0986ba3c3af924ad4b8776a45190
SHA1e4199810598c592fb4304eb37cf90d2ce2065a11
SHA2568f8cc850ea7e227ba100ad943c4c9000857e39d66a0aa6a245f599e6868d04c2
SHA512275f4de2999bc947be2a179aab2ed6e33d7591d3464d3ba43d3ca1b6fc0ada3aae2090f39dc3620bfcfa57824e26aba7b401145137f87115bbd4c3589a291524
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Filesize
123B
MD5d66e6effffd95d34d0c43998e255e13a
SHA16050d6ad2eebf89728fcfc57bd1174133fcc3115
SHA2561da9783cc72f82f5c0834bff41230092d26a939d6b99fefed1ac0de69ea94364
SHA5128fc1f747e63bae9bdab235604b8a1fbd759667ee0d2ef8caf9527f585b2c346b48d64467bdb11c04811e5ec738fe9466a6fe88a2bb1a3829fcd22f744cc86a88
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
512KB
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Filesize
9.9MB
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Filesize
9.9MB
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Filesize
512KB
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Filesize
224KB
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Filesize
512KB
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Filesize
9.9MB
-
Filesize
512KB
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Filesize
9.9MB
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Filesize
512KB
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Filesize
512KB
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Filesize
9.9MB
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Filesize
224KB
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Filesize
9.9MB