Analysis
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max time kernel
64s -
max time network
66s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23/12/2022, 04:16
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
1.8MB
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MD5
9b8c5e44d556c5de3bc582527fa8b0e9
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SHA1
2ddaa098c6a96bd5ea4dfd2ed9f2ad0dbe94d09c
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SHA256
5fb0cc9159d4069ee72ffe06a48057e68fd492c34e7c5ba269c6292b664ea6ee
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SHA512
afcd896a20ca2087f016045f828e6663d816d7764207b46175bb11662f8026e0de58326173584c253be406b8d30f8d69dcfb02b1d9d1731315c51cc70de00602
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SSDEEP
49152:baT194VhHf7ma0NbwtjYh1i7flo3FeWP7p3A:baoLHf5t0Hi7t9GdA
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1712 is-ACJOH.tmp 1088 SplitFiles118.exe 1628 jQVRi94XC.exe -
Loads dropped DLL 10 IoCs
pid Process 360 file.exe 1712 is-ACJOH.tmp 1712 is-ACJOH.tmp 1712 is-ACJOH.tmp 1712 is-ACJOH.tmp 1088 SplitFiles118.exe 1088 SplitFiles118.exe 1088 SplitFiles118.exe 1628 jQVRi94XC.exe 1628 jQVRi94XC.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 17 IoCs
description ioc Process File created C:\Program Files (x86)\Split Files\unins000.dat is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\language\is-VT4VC.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\language\is-0RDQB.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\language\is-PR9TN.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\language\is-6DVL0.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\is-TI0HO.tmp is-ACJOH.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles118.exe is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\is-712E5.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\is-520IG.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\language\is-MK7K2.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\language\is-CTDUN.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\language\is-BNJQO.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\language\is-OOB6K.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\is-KLALC.tmp is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\is-C64E8.tmp is-ACJOH.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-ACJOH.tmp File created C:\Program Files (x86)\Split Files\language\is-VGS0N.tmp is-ACJOH.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
pid Process 788 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1088 SplitFiles118.exe 1088 SplitFiles118.exe 1088 SplitFiles118.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1712 is-ACJOH.tmp Token: SeBackupPrivilege 1712 is-ACJOH.tmp Token: SeDebugPrivilege 788 taskkill.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 360 wrote to memory of 1712 360 file.exe 27 PID 360 wrote to memory of 1712 360 file.exe 27 PID 360 wrote to memory of 1712 360 file.exe 27 PID 360 wrote to memory of 1712 360 file.exe 27 PID 360 wrote to memory of 1712 360 file.exe 27 PID 360 wrote to memory of 1712 360 file.exe 27 PID 360 wrote to memory of 1712 360 file.exe 27 PID 1712 wrote to memory of 1088 1712 is-ACJOH.tmp 28 PID 1712 wrote to memory of 1088 1712 is-ACJOH.tmp 28 PID 1712 wrote to memory of 1088 1712 is-ACJOH.tmp 28 PID 1712 wrote to memory of 1088 1712 is-ACJOH.tmp 28 PID 1712 wrote to memory of 1088 1712 is-ACJOH.tmp 28 PID 1712 wrote to memory of 1088 1712 is-ACJOH.tmp 28 PID 1712 wrote to memory of 1088 1712 is-ACJOH.tmp 28 PID 1088 wrote to memory of 1628 1088 SplitFiles118.exe 29 PID 1088 wrote to memory of 1628 1088 SplitFiles118.exe 29 PID 1088 wrote to memory of 1628 1088 SplitFiles118.exe 29 PID 1088 wrote to memory of 1628 1088 SplitFiles118.exe 29 PID 1088 wrote to memory of 1628 1088 SplitFiles118.exe 29 PID 1088 wrote to memory of 1628 1088 SplitFiles118.exe 29 PID 1088 wrote to memory of 1628 1088 SplitFiles118.exe 29 PID 1088 wrote to memory of 1944 1088 SplitFiles118.exe 32 PID 1088 wrote to memory of 1944 1088 SplitFiles118.exe 32 PID 1088 wrote to memory of 1944 1088 SplitFiles118.exe 32 PID 1088 wrote to memory of 1944 1088 SplitFiles118.exe 32 PID 1088 wrote to memory of 1944 1088 SplitFiles118.exe 32 PID 1088 wrote to memory of 1944 1088 SplitFiles118.exe 32 PID 1088 wrote to memory of 1944 1088 SplitFiles118.exe 32 PID 1944 wrote to memory of 788 1944 cmd.exe 34 PID 1944 wrote to memory of 788 1944 cmd.exe 34 PID 1944 wrote to memory of 788 1944 cmd.exe 34 PID 1944 wrote to memory of 788 1944 cmd.exe 34 PID 1944 wrote to memory of 788 1944 cmd.exe 34 PID 1944 wrote to memory of 788 1944 cmd.exe 34 PID 1944 wrote to memory of 788 1944 cmd.exe 34
Processes
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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:360 -
C:\Users\Admin\AppData\Local\Temp\is-AGPNC.tmp\is-ACJOH.tmp"C:\Users\Admin\AppData\Local\Temp\is-AGPNC.tmp\is-ACJOH.tmp" /SL4 $60122 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1590697 1331202⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712 -
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:1088 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\jQVRi94XC.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1628
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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:1944 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles118.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:788
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.1MB
MD5d83958c62514a4d381b4ffaee694c017
SHA14563829c2978f7609df887fafa92bc6a22305710
SHA25672939946e021a3c20177f7073bdd7100254c15af3c94725b2fe10fe701398421
SHA512edb59002f117f6dd1b8d817ff76aab7510b82b5a797ff87dff90c9a9cd6d94c0ad17b87e401177336df4aa8744aa525778c14d8a9e184c103ad10a81466d7238
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Filesize
3.1MB
MD5d83958c62514a4d381b4ffaee694c017
SHA14563829c2978f7609df887fafa92bc6a22305710
SHA25672939946e021a3c20177f7073bdd7100254c15af3c94725b2fe10fe701398421
SHA512edb59002f117f6dd1b8d817ff76aab7510b82b5a797ff87dff90c9a9cd6d94c0ad17b87e401177336df4aa8744aa525778c14d8a9e184c103ad10a81466d7238
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Filesize
723KB
MD5703b4da86c2d38881230d26bc1051cb2
SHA113b9e7582e94cb6e4f703bc08a28c53cdc003019
SHA25690b8f255f68be9f092608be15074b6fc3c4be724ae82dae5adb390307b121c89
SHA512e3d80bc78b41e24450effe46f713e9bf7fcd376141a3c6b3f20e3ec81c9c3ab85d300104b2dbbef9512f92a2b613dbc326899e442dc669490c1e192f79a7363b
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Filesize
723KB
MD5703b4da86c2d38881230d26bc1051cb2
SHA113b9e7582e94cb6e4f703bc08a28c53cdc003019
SHA25690b8f255f68be9f092608be15074b6fc3c4be724ae82dae5adb390307b121c89
SHA512e3d80bc78b41e24450effe46f713e9bf7fcd376141a3c6b3f20e3ec81c9c3ab85d300104b2dbbef9512f92a2b613dbc326899e442dc669490c1e192f79a7363b
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
3.1MB
MD5d83958c62514a4d381b4ffaee694c017
SHA14563829c2978f7609df887fafa92bc6a22305710
SHA25672939946e021a3c20177f7073bdd7100254c15af3c94725b2fe10fe701398421
SHA512edb59002f117f6dd1b8d817ff76aab7510b82b5a797ff87dff90c9a9cd6d94c0ad17b87e401177336df4aa8744aa525778c14d8a9e184c103ad10a81466d7238
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Filesize
3.1MB
MD5d83958c62514a4d381b4ffaee694c017
SHA14563829c2978f7609df887fafa92bc6a22305710
SHA25672939946e021a3c20177f7073bdd7100254c15af3c94725b2fe10fe701398421
SHA512edb59002f117f6dd1b8d817ff76aab7510b82b5a797ff87dff90c9a9cd6d94c0ad17b87e401177336df4aa8744aa525778c14d8a9e184c103ad10a81466d7238
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Filesize
3.1MB
MD5d83958c62514a4d381b4ffaee694c017
SHA14563829c2978f7609df887fafa92bc6a22305710
SHA25672939946e021a3c20177f7073bdd7100254c15af3c94725b2fe10fe701398421
SHA512edb59002f117f6dd1b8d817ff76aab7510b82b5a797ff87dff90c9a9cd6d94c0ad17b87e401177336df4aa8744aa525778c14d8a9e184c103ad10a81466d7238
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
723KB
MD5703b4da86c2d38881230d26bc1051cb2
SHA113b9e7582e94cb6e4f703bc08a28c53cdc003019
SHA25690b8f255f68be9f092608be15074b6fc3c4be724ae82dae5adb390307b121c89
SHA512e3d80bc78b41e24450effe46f713e9bf7fcd376141a3c6b3f20e3ec81c9c3ab85d300104b2dbbef9512f92a2b613dbc326899e442dc669490c1e192f79a7363b
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c