Analysis
-
max time kernel
61s -
max time network
64s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23/12/2022, 05:16
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
-
Target
file.exe
-
Size
2.0MB
-
MD5
4a839f0222e27f316c945b44fb927da4
-
SHA1
6ba6a0faf834cbafbf85518eb54d87c706b8b39a
-
SHA256
6b27aecd127da414437282906e7b742996015c5377f90e5e4548bd62fc85ca84
-
SHA512
fc4698d1bab056b905ba28bf7d9d9f24493c3ff292652e7f692bd0fdb49189fd53212aede69ce09e7f3841192594d72311caed2f298ab43f6603c32a415dd3c8
-
SSDEEP
49152:rA+tdjxDiNGRs+pzmaw9SCaUA2D0/yTvi+hPZ5ByGpxWxhTWP7p3S:rAejxrC+yRaUSsX5BN6xlGdS
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
-
Executes dropped EXE 3 IoCs
pid Process 1724 is-JBKJE.tmp 1444 SplitFiles118.exe 1116 lcq1QCp.exe -
Loads dropped DLL 10 IoCs
pid Process 564 file.exe 1724 is-JBKJE.tmp 1724 is-JBKJE.tmp 1724 is-JBKJE.tmp 1724 is-JBKJE.tmp 1444 SplitFiles118.exe 1444 SplitFiles118.exe 1444 SplitFiles118.exe 1116 lcq1QCp.exe 1116 lcq1QCp.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 17 IoCs
description ioc Process File created C:\Program Files (x86)\Split Files\is-8CI6F.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\is-UUITI.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\is-34R23.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\language\is-OM4KN.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\language\is-EPJV8.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\language\is-R18E9.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\is-NRGTT.tmp is-JBKJE.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\unins000.dat is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\language\is-55G2N.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\language\is-L4QKR.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\language\is-A1SHA.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\language\is-TTEGO.tmp is-JBKJE.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles118.exe is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\is-S9V5V.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\language\is-43F7T.tmp is-JBKJE.tmp File created C:\Program Files (x86)\Split Files\language\is-ON835.tmp is-JBKJE.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 1828 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1444 SplitFiles118.exe 1444 SplitFiles118.exe 1444 SplitFiles118.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1828 taskkill.exe Token: SeRestorePrivilege 1724 is-JBKJE.tmp Token: SeBackupPrivilege 1724 is-JBKJE.tmp -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 564 wrote to memory of 1724 564 file.exe 27 PID 564 wrote to memory of 1724 564 file.exe 27 PID 564 wrote to memory of 1724 564 file.exe 27 PID 564 wrote to memory of 1724 564 file.exe 27 PID 564 wrote to memory of 1724 564 file.exe 27 PID 564 wrote to memory of 1724 564 file.exe 27 PID 564 wrote to memory of 1724 564 file.exe 27 PID 1724 wrote to memory of 1444 1724 is-JBKJE.tmp 28 PID 1724 wrote to memory of 1444 1724 is-JBKJE.tmp 28 PID 1724 wrote to memory of 1444 1724 is-JBKJE.tmp 28 PID 1724 wrote to memory of 1444 1724 is-JBKJE.tmp 28 PID 1724 wrote to memory of 1444 1724 is-JBKJE.tmp 28 PID 1724 wrote to memory of 1444 1724 is-JBKJE.tmp 28 PID 1724 wrote to memory of 1444 1724 is-JBKJE.tmp 28 PID 1444 wrote to memory of 1116 1444 SplitFiles118.exe 29 PID 1444 wrote to memory of 1116 1444 SplitFiles118.exe 29 PID 1444 wrote to memory of 1116 1444 SplitFiles118.exe 29 PID 1444 wrote to memory of 1116 1444 SplitFiles118.exe 29 PID 1444 wrote to memory of 1116 1444 SplitFiles118.exe 29 PID 1444 wrote to memory of 1116 1444 SplitFiles118.exe 29 PID 1444 wrote to memory of 1116 1444 SplitFiles118.exe 29 PID 1444 wrote to memory of 2040 1444 SplitFiles118.exe 32 PID 1444 wrote to memory of 2040 1444 SplitFiles118.exe 32 PID 1444 wrote to memory of 2040 1444 SplitFiles118.exe 32 PID 1444 wrote to memory of 2040 1444 SplitFiles118.exe 32 PID 1444 wrote to memory of 2040 1444 SplitFiles118.exe 32 PID 1444 wrote to memory of 2040 1444 SplitFiles118.exe 32 PID 1444 wrote to memory of 2040 1444 SplitFiles118.exe 32 PID 2040 wrote to memory of 1828 2040 cmd.exe 34 PID 2040 wrote to memory of 1828 2040 cmd.exe 34 PID 2040 wrote to memory of 1828 2040 cmd.exe 34 PID 2040 wrote to memory of 1828 2040 cmd.exe 34 PID 2040 wrote to memory of 1828 2040 cmd.exe 34 PID 2040 wrote to memory of 1828 2040 cmd.exe 34 PID 2040 wrote to memory of 1828 2040 cmd.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Users\Admin\AppData\Local\Temp\is-7P835.tmp\is-JBKJE.tmp"C:\Users\Admin\AppData\Local\Temp\is-7P835.tmp\is-JBKJE.tmp" /SL4 $60126 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1798793 1331202⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Program Files (x86)\Split Files\SplitFiles118.exe"C:\Program Files (x86)\Split Files\SplitFiles118.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\lcq1QCp.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1116
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles118.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles118.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles118.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1828
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.3MB
MD5946d99ac05db80c6b32420f0cf26e087
SHA1634856686e0e38237ea281b1a7663fac6204e7f7
SHA256ed7f8614d3811fea492110677611f95a2ac15e38ffc47abe4361196ebaa528fb
SHA512d6bd714866899143a52e2292cbb0bd780a45ebf3393e7459485e63dc0c3014767a85ce921d9d007b2ba8d0619b8987d498549b7d7769d86a763da5b2940b15c3
-
Filesize
3.3MB
MD5946d99ac05db80c6b32420f0cf26e087
SHA1634856686e0e38237ea281b1a7663fac6204e7f7
SHA256ed7f8614d3811fea492110677611f95a2ac15e38ffc47abe4361196ebaa528fb
SHA512d6bd714866899143a52e2292cbb0bd780a45ebf3393e7459485e63dc0c3014767a85ce921d9d007b2ba8d0619b8987d498549b7d7769d86a763da5b2940b15c3
-
Filesize
723KB
MD5703b4da86c2d38881230d26bc1051cb2
SHA113b9e7582e94cb6e4f703bc08a28c53cdc003019
SHA25690b8f255f68be9f092608be15074b6fc3c4be724ae82dae5adb390307b121c89
SHA512e3d80bc78b41e24450effe46f713e9bf7fcd376141a3c6b3f20e3ec81c9c3ab85d300104b2dbbef9512f92a2b613dbc326899e442dc669490c1e192f79a7363b
-
Filesize
723KB
MD5703b4da86c2d38881230d26bc1051cb2
SHA113b9e7582e94cb6e4f703bc08a28c53cdc003019
SHA25690b8f255f68be9f092608be15074b6fc3c4be724ae82dae5adb390307b121c89
SHA512e3d80bc78b41e24450effe46f713e9bf7fcd376141a3c6b3f20e3ec81c9c3ab85d300104b2dbbef9512f92a2b613dbc326899e442dc669490c1e192f79a7363b
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
3.3MB
MD5946d99ac05db80c6b32420f0cf26e087
SHA1634856686e0e38237ea281b1a7663fac6204e7f7
SHA256ed7f8614d3811fea492110677611f95a2ac15e38ffc47abe4361196ebaa528fb
SHA512d6bd714866899143a52e2292cbb0bd780a45ebf3393e7459485e63dc0c3014767a85ce921d9d007b2ba8d0619b8987d498549b7d7769d86a763da5b2940b15c3
-
Filesize
3.3MB
MD5946d99ac05db80c6b32420f0cf26e087
SHA1634856686e0e38237ea281b1a7663fac6204e7f7
SHA256ed7f8614d3811fea492110677611f95a2ac15e38ffc47abe4361196ebaa528fb
SHA512d6bd714866899143a52e2292cbb0bd780a45ebf3393e7459485e63dc0c3014767a85ce921d9d007b2ba8d0619b8987d498549b7d7769d86a763da5b2940b15c3
-
Filesize
3.3MB
MD5946d99ac05db80c6b32420f0cf26e087
SHA1634856686e0e38237ea281b1a7663fac6204e7f7
SHA256ed7f8614d3811fea492110677611f95a2ac15e38ffc47abe4361196ebaa528fb
SHA512d6bd714866899143a52e2292cbb0bd780a45ebf3393e7459485e63dc0c3014767a85ce921d9d007b2ba8d0619b8987d498549b7d7769d86a763da5b2940b15c3
-
Filesize
723KB
MD5703b4da86c2d38881230d26bc1051cb2
SHA113b9e7582e94cb6e4f703bc08a28c53cdc003019
SHA25690b8f255f68be9f092608be15074b6fc3c4be724ae82dae5adb390307b121c89
SHA512e3d80bc78b41e24450effe46f713e9bf7fcd376141a3c6b3f20e3ec81c9c3ab85d300104b2dbbef9512f92a2b613dbc326899e442dc669490c1e192f79a7363b
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c