Analysis
-
max time kernel
59s -
max time network
61s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06/02/2023, 08:58
Static task
static1
Behavioral task
behavioral1
Sample
8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe
Resource
win7-20220812-en
General
-
Target
8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe
-
Size
2.2MB
-
MD5
5441daca0d28d6eda01b210bf0ea6f4d
-
SHA1
b51dfeaccf362d94f560e99183c98914fe8b7a3e
-
SHA256
8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4
-
SHA512
31eb22b762535e3c86ca7e1e40746b5a12d6b15eb8a77ee72e3ca9368e70413ab04038a26364f92b5bb131dd3306cd37c51781c19161e89b1505f80f4e3bc372
-
SSDEEP
49152:d3ZLVuye5cdCIfP1aaOpQ/BDaFSX+yRPwB4e0LEsLCgv2MR:XLVuyIcdCU9aaOpQJDo4e0LLv2MR
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
-
Executes dropped EXE 3 IoCs
pid Process 884 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp 1988 FRec24.exe 1984 Ff8re7027X.exe -
Loads dropped DLL 6 IoCs
pid Process 752 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe 884 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp 884 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp 884 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp 884 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp 1988 FRec24.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Program Files directory 9 IoCs
description ioc Process File created C:\Program Files (x86)\FHJsoftFR\FRec24\is-GBU6I.tmp 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp File opened for modification C:\Program Files (x86)\FHJsoftFR\FRec24\unins000.dat 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp File opened for modification C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp File created C:\Program Files (x86)\FHJsoftFR\FRec24\unins000.dat 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp File created C:\Program Files (x86)\FHJsoftFR\FRec24\is-2JB7Q.tmp 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp File created C:\Program Files (x86)\FHJsoftFR\FRec24\is-ISVCH.tmp 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp File created C:\Program Files (x86)\FHJsoftFR\FRec24\is-GHKBU.tmp 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp File created C:\Program Files (x86)\FHJsoftFR\FRec24\is-1JL2A.tmp 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp File created C:\Program Files (x86)\FHJsoftFR\FRec24\data\is-S73FV.tmp 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Kills process with taskkill 1 IoCs
pid Process 1724 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1988 FRec24.exe 1988 FRec24.exe 1988 FRec24.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1724 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 752 wrote to memory of 884 752 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe 27 PID 752 wrote to memory of 884 752 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe 27 PID 752 wrote to memory of 884 752 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe 27 PID 752 wrote to memory of 884 752 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe 27 PID 752 wrote to memory of 884 752 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe 27 PID 752 wrote to memory of 884 752 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe 27 PID 752 wrote to memory of 884 752 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe 27 PID 884 wrote to memory of 1988 884 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp 28 PID 884 wrote to memory of 1988 884 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp 28 PID 884 wrote to memory of 1988 884 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp 28 PID 884 wrote to memory of 1988 884 8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp 28 PID 1988 wrote to memory of 1984 1988 FRec24.exe 29 PID 1988 wrote to memory of 1984 1988 FRec24.exe 29 PID 1988 wrote to memory of 1984 1988 FRec24.exe 29 PID 1988 wrote to memory of 1984 1988 FRec24.exe 29 PID 1988 wrote to memory of 1384 1988 FRec24.exe 32 PID 1988 wrote to memory of 1384 1988 FRec24.exe 32 PID 1988 wrote to memory of 1384 1988 FRec24.exe 32 PID 1988 wrote to memory of 1384 1988 FRec24.exe 32 PID 1384 wrote to memory of 1724 1384 cmd.exe 34 PID 1384 wrote to memory of 1724 1384 cmd.exe 34 PID 1384 wrote to memory of 1724 1384 cmd.exe 34 PID 1384 wrote to memory of 1724 1384 cmd.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe"C:\Users\Admin\AppData\Local\Temp\8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:752 -
C:\Users\Admin\AppData\Local\Temp\is-F6K88.tmp\8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp"C:\Users\Admin\AppData\Local\Temp\is-F6K88.tmp\8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp" /SL5="$60124,2045865,345600,C:\Users\Admin\AppData\Local\Temp\8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe"C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Ff8re7027X.exe
- Executes dropped EXE
PID:1984
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec24.exe" /f & erase "C:\Program Files (x86)\FHJsoftFR\FRec24\FRec24.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec24.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1724
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.8MB
MD5dbc38c827a354d975ac93cbe2874e297
SHA17e6d22454e048fb333367d54fad111ce5e3d8ead
SHA256b5a290673ba5e2d6eb4e66914730c8e106abcc043c42aad41f4ade601478872a
SHA5120f409e48c8c1babcf8781fa17636f94cc34938479f5254930ef9b457ddf8773d848efa84d0646e26fcae1e9c70b7f5d0f127ca7a66682091793cf23dddc9d7ca
-
Filesize
1.8MB
MD5dbc38c827a354d975ac93cbe2874e297
SHA17e6d22454e048fb333367d54fad111ce5e3d8ead
SHA256b5a290673ba5e2d6eb4e66914730c8e106abcc043c42aad41f4ade601478872a
SHA5120f409e48c8c1babcf8781fa17636f94cc34938479f5254930ef9b457ddf8773d848efa84d0646e26fcae1e9c70b7f5d0f127ca7a66682091793cf23dddc9d7ca
-
C:\Users\Admin\AppData\Local\Temp\is-F6K88.tmp\8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp
Filesize696KB
MD5d76329b30db65f61d55b20f36b56da26
SHA15e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA256229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
SHA512a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
-
C:\Users\Admin\AppData\Local\Temp\is-F6K88.tmp\8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp
Filesize696KB
MD5d76329b30db65f61d55b20f36b56da26
SHA15e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA256229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
SHA512a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
1.8MB
MD5dbc38c827a354d975ac93cbe2874e297
SHA17e6d22454e048fb333367d54fad111ce5e3d8ead
SHA256b5a290673ba5e2d6eb4e66914730c8e106abcc043c42aad41f4ade601478872a
SHA5120f409e48c8c1babcf8781fa17636f94cc34938479f5254930ef9b457ddf8773d848efa84d0646e26fcae1e9c70b7f5d0f127ca7a66682091793cf23dddc9d7ca
-
\Users\Admin\AppData\Local\Temp\is-F6K88.tmp\8fd252a96657e5cc2cf702778aa5e4b2385a3f0d10f342a41caa2ed335ca5fc4.tmp
Filesize696KB
MD5d76329b30db65f61d55b20f36b56da26
SHA15e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA256229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
SHA512a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c