Analysis
-
max time kernel
56s -
max time network
58s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
24-03-2023 01:43
Static task
static1
Behavioral task
behavioral1
Sample
1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe
Resource
win7-20230220-en
General
-
Target
1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe
-
Size
2.1MB
-
MD5
7c8bc88fc4dcde08fda121950b741607
-
SHA1
e654e807674334967b738057ea6d21b827a0a01c
-
SHA256
1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a
-
SHA512
2e130aa52cb92282085583a893f29fd5af18cc88dcb787235f44de20a287f2818ae71e92091e133a958f4947b3302b325d2592a2860dbf3361c51262098bbc97
-
SSDEEP
49152:EGlJfs/Qq/vsfccJReTkMBuyJ/WyFMHQh3qrDIHxAUZl1ufBDwPj5dlLYp:5mQq/vsfOu+OLw9yI/Zl1ma1PYp
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
Processes:
is-EUI2U.tmpFRec322.exeSN9kzXOwxYzCIv.exepid process 1760 is-EUI2U.tmp 944 FRec322.exe 1168 SN9kzXOwxYzCIv.exe -
Loads dropped DLL 6 IoCs
Processes:
1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exeis-EUI2U.tmpFRec322.exepid process 1996 1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe 1760 is-EUI2U.tmp 1760 is-EUI2U.tmp 1760 is-EUI2U.tmp 1760 is-EUI2U.tmp 944 FRec322.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
Processes:
is-EUI2U.tmpdescription ioc process File created C:\Program Files (x86)\FJAsoftFR\FRec322\unins000.dat is-EUI2U.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-IUKSI.tmp is-EUI2U.tmp File opened for modification C:\Program Files (x86)\FJAsoftFR\FRec322\unins000.dat is-EUI2U.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\data\is-M7DM2.tmp is-EUI2U.tmp File opened for modification C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe is-EUI2U.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-QMUPA.tmp is-EUI2U.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-3K42Q.tmp is-EUI2U.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-RNJBG.tmp is-EUI2U.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-G2FL4.tmp is-EUI2U.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
Processes:
taskkill.exepid process 2028 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
FRec322.exepid process 944 FRec322.exe 944 FRec322.exe 944 FRec322.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 2028 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exeis-EUI2U.tmpFRec322.execmd.exedescription pid process target process PID 1996 wrote to memory of 1760 1996 1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe is-EUI2U.tmp PID 1996 wrote to memory of 1760 1996 1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe is-EUI2U.tmp PID 1996 wrote to memory of 1760 1996 1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe is-EUI2U.tmp PID 1996 wrote to memory of 1760 1996 1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe is-EUI2U.tmp PID 1996 wrote to memory of 1760 1996 1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe is-EUI2U.tmp PID 1996 wrote to memory of 1760 1996 1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe is-EUI2U.tmp PID 1996 wrote to memory of 1760 1996 1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe is-EUI2U.tmp PID 1760 wrote to memory of 944 1760 is-EUI2U.tmp FRec322.exe PID 1760 wrote to memory of 944 1760 is-EUI2U.tmp FRec322.exe PID 1760 wrote to memory of 944 1760 is-EUI2U.tmp FRec322.exe PID 1760 wrote to memory of 944 1760 is-EUI2U.tmp FRec322.exe PID 944 wrote to memory of 1168 944 FRec322.exe SN9kzXOwxYzCIv.exe PID 944 wrote to memory of 1168 944 FRec322.exe SN9kzXOwxYzCIv.exe PID 944 wrote to memory of 1168 944 FRec322.exe SN9kzXOwxYzCIv.exe PID 944 wrote to memory of 1168 944 FRec322.exe SN9kzXOwxYzCIv.exe PID 944 wrote to memory of 1900 944 FRec322.exe cmd.exe PID 944 wrote to memory of 1900 944 FRec322.exe cmd.exe PID 944 wrote to memory of 1900 944 FRec322.exe cmd.exe PID 944 wrote to memory of 1900 944 FRec322.exe cmd.exe PID 1900 wrote to memory of 2028 1900 cmd.exe taskkill.exe PID 1900 wrote to memory of 2028 1900 cmd.exe taskkill.exe PID 1900 wrote to memory of 2028 1900 cmd.exe taskkill.exe PID 1900 wrote to memory of 2028 1900 cmd.exe taskkill.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe"C:\Users\Admin\AppData\Local\Temp\1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-8PB6L.tmp\is-EUI2U.tmp"C:\Users\Admin\AppData\Local\Temp\is-8PB6L.tmp\is-EUI2U.tmp" /SL4 $90126 "C:\Users\Admin\AppData\Local\Temp\1ed63828c472771cf59e95852088a702e381e3350d9c4cf831ca102d922e611a.exe" 1961402 527362⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe"C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\SN9kzXOwxYzCIv.exe
- Executes dropped EXE
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec322.exe" /f & erase "C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec322.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exeFilesize
2.6MB
MD50f2dd6a197c4d8c3a26c22a9949470a3
SHA107a223711a17d4943700caef9371ab8ba812ab95
SHA2563244f1d0baae8c76b7872f27d9b6adcd4294b466748f6fb0bc38ac03f6afd594
SHA512834b5c3d24d23deaeb18d7b0cc494534c540e0566a700827e2efa6f0a41dcb41e1cda2376f7c6d152de53205076f9e40f96eaf43a04d6da8e25fcf09420aeb46
-
C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exeFilesize
2.6MB
MD50f2dd6a197c4d8c3a26c22a9949470a3
SHA107a223711a17d4943700caef9371ab8ba812ab95
SHA2563244f1d0baae8c76b7872f27d9b6adcd4294b466748f6fb0bc38ac03f6afd594
SHA512834b5c3d24d23deaeb18d7b0cc494534c540e0566a700827e2efa6f0a41dcb41e1cda2376f7c6d152de53205076f9e40f96eaf43a04d6da8e25fcf09420aeb46
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\S7FIT0B8\dll[2].htmFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
-
C:\Users\Admin\AppData\Local\Temp\is-8PB6L.tmp\is-EUI2U.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
-
C:\Users\Admin\AppData\Local\Temp\is-8PB6L.tmp\is-EUI2U.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
-
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\SN9kzXOwxYzCIv.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exeFilesize
2.6MB
MD50f2dd6a197c4d8c3a26c22a9949470a3
SHA107a223711a17d4943700caef9371ab8ba812ab95
SHA2563244f1d0baae8c76b7872f27d9b6adcd4294b466748f6fb0bc38ac03f6afd594
SHA512834b5c3d24d23deaeb18d7b0cc494534c540e0566a700827e2efa6f0a41dcb41e1cda2376f7c6d152de53205076f9e40f96eaf43a04d6da8e25fcf09420aeb46
-
\Users\Admin\AppData\Local\Temp\is-8PB6L.tmp\is-EUI2U.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
-
\Users\Admin\AppData\Local\Temp\is-V2ES9.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
\Users\Admin\AppData\Local\Temp\is-V2ES9.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
\Users\Admin\AppData\Local\Temp\is-V2ES9.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\SN9kzXOwxYzCIv.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
memory/944-93-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
-
memory/944-105-0x0000000010000000-0x000000001001B000-memory.dmpFilesize
108KB
-
memory/944-92-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
-
memory/944-133-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
-
memory/944-110-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
-
memory/944-101-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
-
memory/1760-100-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
-
memory/1760-109-0x0000000003850000-0x00000000048F0000-memory.dmpFilesize
16.6MB
-
memory/1760-91-0x0000000003850000-0x00000000048F0000-memory.dmpFilesize
16.6MB
-
memory/1760-134-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
-
memory/1760-84-0x00000000001E0000-0x00000000001E1000-memory.dmpFilesize
4KB
-
memory/1996-54-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/1996-99-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/1996-135-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB