Analysis
-
max time kernel
113s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
24-08-2024 23:38
Static task
static1
Behavioral task
behavioral1
Sample
04e42207db45792cae0f6d3fd83f0680N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
04e42207db45792cae0f6d3fd83f0680N.exe
Resource
win10v2004-20240802-en
General
-
Target
04e42207db45792cae0f6d3fd83f0680N.exe
-
Size
801KB
-
MD5
04e42207db45792cae0f6d3fd83f0680
-
SHA1
cb17f3a1bb57541204afd27313b390e5ead5096c
-
SHA256
b377b7b8211e454117ba3d6cd6bb1ac84c0105c8647187cb5cf19ad50c9d26b9
-
SHA512
b81da4e8961bc8c25e6832db5c1227cb253e178e6c5a4db0725ed073639d944b8d8012865ace42b2781b3f09b082e44a8a19c2ee326a173acb8757caebacbbf7
-
SSDEEP
24576:7oL6YwH+hUfoA5snjj0ZvgCxwaEbNHzy9XSm3XNEGQnA:cL6Yw2UfoOoEwaONQXHNEGe
Malware Config
Extracted
djvu
http://asvb.top/nddddhsspen6/get.php
-
extension
.pcqq
-
offline_id
3pNdLH1399769YerBBKCxHURRAqLhaXsGw3Fbkt1
-
payload_url
http://asvb.top/files/penelop/updatewin1.exe
http://asvb.top/files/penelop/updatewin2.exe
http://asvb.top/files/penelop/updatewin.exe
http://asvb.top/files/penelop/3.exe
http://asvb.top/files/penelop/4.exe
http://asvb.top/files/penelop/5.exe
-
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-TVrnNufMGq Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0296Sirj
Signatures
-
Detected Djvu ransomware 10 IoCs
Processes:
resource yara_rule behavioral1/memory/2688-2-0x00000000004E0000-0x00000000005FB000-memory.dmp family_djvu behavioral1/memory/2364-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2364-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-39-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-54-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-55-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2724-56-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
Modifies file permissions 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
04e42207db45792cae0f6d3fd83f0680N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\b74b4eea-47ca-4ced-8c3c-5193b773e4fa\\04e42207db45792cae0f6d3fd83f0680N.exe\" --AutoStart" 04e42207db45792cae0f6d3fd83f0680N.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 api.2ip.ua 4 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
04e42207db45792cae0f6d3fd83f0680N.exe04e42207db45792cae0f6d3fd83f0680N.exedescription pid process target process PID 2688 set thread context of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 set thread context of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
04e42207db45792cae0f6d3fd83f0680N.exe04e42207db45792cae0f6d3fd83f0680N.exeicacls.exe04e42207db45792cae0f6d3fd83f0680N.exe04e42207db45792cae0f6d3fd83f0680N.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 04e42207db45792cae0f6d3fd83f0680N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 04e42207db45792cae0f6d3fd83f0680N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 04e42207db45792cae0f6d3fd83f0680N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 04e42207db45792cae0f6d3fd83f0680N.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
04e42207db45792cae0f6d3fd83f0680N.exe04e42207db45792cae0f6d3fd83f0680N.exepid process 2364 04e42207db45792cae0f6d3fd83f0680N.exe 2364 04e42207db45792cae0f6d3fd83f0680N.exe 2724 04e42207db45792cae0f6d3fd83f0680N.exe 2724 04e42207db45792cae0f6d3fd83f0680N.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
04e42207db45792cae0f6d3fd83f0680N.exe04e42207db45792cae0f6d3fd83f0680N.exe04e42207db45792cae0f6d3fd83f0680N.exedescription pid process target process PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2688 wrote to memory of 2364 2688 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2364 wrote to memory of 2772 2364 04e42207db45792cae0f6d3fd83f0680N.exe icacls.exe PID 2364 wrote to memory of 2772 2364 04e42207db45792cae0f6d3fd83f0680N.exe icacls.exe PID 2364 wrote to memory of 2772 2364 04e42207db45792cae0f6d3fd83f0680N.exe icacls.exe PID 2364 wrote to memory of 2772 2364 04e42207db45792cae0f6d3fd83f0680N.exe icacls.exe PID 2364 wrote to memory of 2656 2364 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2364 wrote to memory of 2656 2364 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2364 wrote to memory of 2656 2364 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2364 wrote to memory of 2656 2364 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe PID 2656 wrote to memory of 2724 2656 04e42207db45792cae0f6d3fd83f0680N.exe 04e42207db45792cae0f6d3fd83f0680N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\04e42207db45792cae0f6d3fd83f0680N.exe"C:\Users\Admin\AppData\Local\Temp\04e42207db45792cae0f6d3fd83f0680N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Users\Admin\AppData\Local\Temp\04e42207db45792cae0f6d3fd83f0680N.exe"C:\Users\Admin\AppData\Local\Temp\04e42207db45792cae0f6d3fd83f0680N.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\b74b4eea-47ca-4ced-8c3c-5193b773e4fa" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2772 -
C:\Users\Admin\AppData\Local\Temp\04e42207db45792cae0f6d3fd83f0680N.exe"C:\Users\Admin\AppData\Local\Temp\04e42207db45792cae0f6d3fd83f0680N.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Users\Admin\AppData\Local\Temp\04e42207db45792cae0f6d3fd83f0680N.exe"C:\Users\Admin\AppData\Local\Temp\04e42207db45792cae0f6d3fd83f0680N.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2724
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD57fb5fa1534dcf77f2125b2403b30a0ee
SHA1365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA25633a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e
-
Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD53c0e038e1f31e6942a3b8baa7c894843
SHA1062dbed32794214cfd7d25c5b12397d06001817c
SHA2566db7e1d29cf4dced4b5a2ce0846ae0a25717205a61dd3afebd6458141ffed887
SHA512f84a300ffc626acc7bbc1993facac7a0ba5b91156e684fc0dd36fd9cabf2c2399dc982521e7ebd2de6af642f503902232136c4deb946e5e03a18fe54b7d727fd
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD51ebfed243f731affd3add1b83c5f049a
SHA18fc755fd69369576a0c951916e7bf8ccd7af49bd
SHA256a73c013af722cd1b96b1061eae317042e0cb8701f6e5c0a4b63c6b17d8d7c2b7
SHA512b337341af67bd44c5ecdee9b85081d90d8d66055c72caff81bf373676a3b86ed1b291cb6a754d9faa591339575451ec3ec217bfc1415f6ae3d8e08aada5b30d4
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5960ef6a9311442525a0f0c1be0533b8b
SHA1001fafae8cb6788d485f965717b98b16c35baf59
SHA256655230182abd281d3836acddf31e5cda2abe650b1b8f5a8bf9034da009513f73
SHA5128699eb6695f1bbaeabe3fe3c666496253b02da673f2850093b87a73a1ed51db74630fbb8044b75d6a1fb95def10d1b11987cdb6d182255095290e7bbeb477673
-
Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
-
C:\Users\Admin\AppData\Local\b74b4eea-47ca-4ced-8c3c-5193b773e4fa\04e42207db45792cae0f6d3fd83f0680N.exe
Filesize801KB
MD504e42207db45792cae0f6d3fd83f0680
SHA1cb17f3a1bb57541204afd27313b390e5ead5096c
SHA256b377b7b8211e454117ba3d6cd6bb1ac84c0105c8647187cb5cf19ad50c9d26b9
SHA512b81da4e8961bc8c25e6832db5c1227cb253e178e6c5a4db0725ed073639d944b8d8012865ace42b2781b3f09b082e44a8a19c2ee326a173acb8757caebacbbf7