Analysis
-
max time kernel
122s -
max time network
127s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
02-12-2021 22:07
Static task
static1
Behavioral task
behavioral1
Sample
49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe
Resource
win10-en-20211104
General
-
Target
49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe
-
Size
803KB
-
MD5
0910fc8d4e5c7dba9a5d0d5aab4ec67b
-
SHA1
800b385ef0bd6e397610f0b411bf40265010f2f0
-
SHA256
49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323
-
SHA512
4919bb68e977bc44697a5a27a46007a7f51dd7d09c052faba4df4c4cd22f28f30b1160ca65d92e7a51637f745242decc0fe22cd5d905d93c34191fca57c3c4dc
Malware Config
Extracted
djvu
http://tzgl.org/fhsgtsspen6/get.php
-
extension
.moia
-
offline_id
K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1
-
payload_url
http://kotob.top/dl/build2.exe
http://tzgl.org/files/1/build3.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-rIyEiK9ekc 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: manager@mailtemp.ch Reserve e-mail address to contact us: helprestoremanager@airmail.cc Your personal ID: 0355gSd743d
Signatures
-
Detected Djvu ransomware 6 IoCs
Processes:
resource yara_rule behavioral1/memory/4360-118-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4360-119-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/4384-121-0x0000000004BF0000-0x0000000004D0B000-memory.dmp family_djvu behavioral1/memory/4360-122-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3220-127-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/3220-132-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
-
Modifies file permissions 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\a122920c-8dcb-4a63-b1fc-82ee110cdbfb\\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe\" --AutoStart" 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.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 14 api.2ip.ua 18 api.2ip.ua 24 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exedescription pid process target process PID 4384 set thread context of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 set thread context of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Processes:
49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exepid process 4360 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 4360 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 3220 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 3220 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exedescription pid process target process PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4384 wrote to memory of 4360 4384 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4360 wrote to memory of 4644 4360 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe icacls.exe PID 4360 wrote to memory of 4644 4360 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe icacls.exe PID 4360 wrote to memory of 4644 4360 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe icacls.exe PID 4360 wrote to memory of 812 4360 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4360 wrote to memory of 812 4360 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 4360 wrote to memory of 812 4360 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe PID 812 wrote to memory of 3220 812 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe 49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe"C:\Users\Admin\AppData\Local\Temp\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe"C:\Users\Admin\AppData\Local\Temp\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\a122920c-8dcb-4a63-b1fc-82ee110cdbfb" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
C:\Users\Admin\AppData\Local\Temp\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe"C:\Users\Admin\AppData\Local\Temp\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe"C:\Users\Admin\AppData\Local\Temp\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850DMD5
6a4823dd14ee6616a4ef99d2bea9a44c
SHA11b0952c188fce7f3a0014cb473a80a66f3c71337
SHA256cef0b13034255ff54ac6ee3a35c93cd92fe3d80e5793c2b5e63c0a42fcc3ff98
SHA512a41d2a3f5c827518c102487af315e1303a50578eb258f65c17591eba0bc027ee2aa0a4941c494b9b5eb89842382f60ab3fec66e15a3f77cbf03cbae6dd9974c6
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711EMD5
efd1d8e8293f5bd8d688fef877221ccb
SHA155fd26b5c3ad5242aa08d1910c2e085d30489549
SHA25643be67b3e85dd203dfabd04252b7b5a261b21ec846e11d760a4f07e70bf528c1
SHA512755e7c67c4a0bc84debd21727d38dca438e7ea3ac8dc98b5f4140ae3f5de32c34aacd63c7cbfb110e1a2d3859089317a4401e07b7db5c36d2d167d9b764ec2cb
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850DMD5
6c179a10930ee512856076f2a8392f91
SHA1fe177531509b20346a63ca8ee3d13c1a2c1ad17c
SHA256bbf2f26329421f198d04b4549bfd75d3a6b9dac7e921dcaf4ef95564dccfdd0c
SHA51234654b5857c2732f41ead6e75fa84da7ccc40b8911e982abc37d3f2be20a70f1050979ee66deed2b05575844d611dae006bcda7037db83d08cfb6f545a81671d
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711EMD5
e2ae5688817120e79d7214e1042a96e0
SHA10a8a24006ff041f13a7c7dc642077bd461532437
SHA2568162b88103f4642c7b97b1152e9cdd2c8b740f9491791b952cb934ff637ae439
SHA512246947f06e7b888c67dd4f01227400c7dacf86914547d3e9546eaafa12e3bcd6e5b750de04c45c539375be8a55b76e379b9c2dbf517155a440a106b8b9c27579
-
C:\Users\Admin\AppData\Local\a122920c-8dcb-4a63-b1fc-82ee110cdbfb\49bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323.exeMD5
0910fc8d4e5c7dba9a5d0d5aab4ec67b
SHA1800b385ef0bd6e397610f0b411bf40265010f2f0
SHA25649bd77639e9eeccdec3fcef07d7aedb5a868af2743679bdf7d49e6749912b323
SHA5124919bb68e977bc44697a5a27a46007a7f51dd7d09c052faba4df4c4cd22f28f30b1160ca65d92e7a51637f745242decc0fe22cd5d905d93c34191fca57c3c4dc
-
memory/812-125-0x0000000000000000-mapping.dmp
-
memory/3220-127-0x0000000000424141-mapping.dmp
-
memory/3220-132-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/4360-118-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/4360-122-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/4360-119-0x0000000000424141-mapping.dmp
-
memory/4384-121-0x0000000004BF0000-0x0000000004D0B000-memory.dmpFilesize
1.1MB
-
memory/4384-120-0x0000000004A40000-0x0000000004AD1000-memory.dmpFilesize
580KB
-
memory/4644-123-0x0000000000000000-mapping.dmp