Analysis
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max time kernel
8s -
max time network
159s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
24-05-2022 21:27
Static task
static1
Behavioral task
behavioral1
Sample
857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
Resource
win7-20220414-en
General
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Target
857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe
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Size
4.2MB
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MD5
a4cb05cc6d5cdf278edbbed2c65ef0a9
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SHA1
6a7518bc87321192d598044db3036389cfb7420d
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SHA256
857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef
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SHA512
e086914151a7e238740d816ea63672804e7e5c587a4db231a1d40091d8e54db960463038efdee5aee0ab9aba187d17f70e5bc72ba1265b6a8c2ed467a793823a
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x00070000000133a4-110.dat acprotect behavioral1/files/0x000700000001331d-109.dat acprotect -
resource yara_rule behavioral1/files/0x000700000001330c-95.dat aspack_v212_v242 behavioral1/files/0x000700000001330c-102.dat aspack_v212_v242 behavioral1/files/0x00070000000131b5-111.dat aspack_v212_v242 behavioral1/files/0x00070000000131b5-112.dat aspack_v212_v242 -
Executes dropped EXE 5 IoCs
pid Process 1808 fotowob dl9 4ainikoB.exe 1008 rutserv.exe 1368 rutserv.exe 1332 rutserv.exe 576 rutserv.exe -
resource yara_rule behavioral1/files/0x00070000000133a4-110.dat upx behavioral1/files/0x000700000001331d-109.dat upx -
Loads dropped DLL 4 IoCs
pid Process 780 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe 780 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe 780 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe 1396 cmd.exe -
Drops file in Program Files directory 20 IoCs
description ioc Process File created C:\Program Files (x86)\vp8encoder.dll fotowob dl9 4ainikoB.exe File created C:\Program Files\fotowob dl9 4ainikoB.exe 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe File opened for modification C:\Program Files\fotowob dl9 4ainikoB.exe 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe File created C:\Program Files (x86)\rfusclient.exe fotowob dl9 4ainikoB.exe File opened for modification C:\Program Files (x86)\rfusclient.exe fotowob dl9 4ainikoB.exe File opened for modification C:\Program Files (x86)\rutserv.exe fotowob dl9 4ainikoB.exe File opened for modification C:\Program Files (x86)\vp8encoder.dll fotowob dl9 4ainikoB.exe File created C:\Program Files\__tmp_rar_sfx_access_check_7087265 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe File created C:\Program Files (x86)\__tmp_rar_sfx_access_check_7087515 fotowob dl9 4ainikoB.exe File created C:\Program Files (x86)\vp8decoder.dll fotowob dl9 4ainikoB.exe File opened for modification C:\Program Files (x86)\vp8decoder.dll fotowob dl9 4ainikoB.exe File created C:\Program Files (x86)\regedit.reg fotowob dl9 4ainikoB.exe File opened for modification C:\Program Files (x86)\regedit.reg fotowob dl9 4ainikoB.exe File created C:\Program Files (x86)\install.vbs fotowob dl9 4ainikoB.exe File created C:\Program Files\download.jpg 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe File created C:\Program Files (x86)\install.bat fotowob dl9 4ainikoB.exe File opened for modification C:\Program Files (x86)\install.bat fotowob dl9 4ainikoB.exe File created C:\Program Files (x86)\rutserv.exe fotowob dl9 4ainikoB.exe File opened for modification C:\Program Files (x86)\install.vbs fotowob dl9 4ainikoB.exe File opened for modification C:\Program Files\download.jpg 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Delays execution with timeout.exe 1 IoCs
pid Process 612 timeout.exe -
Kills process with taskkill 2 IoCs
pid Process 1804 taskkill.exe 1816 taskkill.exe -
Runs .reg file with regedit 1 IoCs
pid Process 560 regedit.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1008 rutserv.exe 1008 rutserv.exe 1008 rutserv.exe 1008 rutserv.exe 1368 rutserv.exe 1368 rutserv.exe 1332 rutserv.exe 1332 rutserv.exe 576 rutserv.exe 576 rutserv.exe 576 rutserv.exe 576 rutserv.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 1804 taskkill.exe Token: SeDebugPrivilege 1816 taskkill.exe Token: SeDebugPrivilege 1008 rutserv.exe Token: SeDebugPrivilege 1332 rutserv.exe Token: SeTakeOwnershipPrivilege 576 rutserv.exe Token: SeTcbPrivilege 576 rutserv.exe Token: SeTcbPrivilege 576 rutserv.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1008 rutserv.exe 1368 rutserv.exe 1332 rutserv.exe 576 rutserv.exe -
Suspicious use of WriteProcessMemory 47 IoCs
description pid Process procid_target PID 780 wrote to memory of 1808 780 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe 23 PID 780 wrote to memory of 1808 780 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe 23 PID 780 wrote to memory of 1808 780 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe 23 PID 780 wrote to memory of 1808 780 857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe 23 PID 1808 wrote to memory of 804 1808 fotowob dl9 4ainikoB.exe 22 PID 1808 wrote to memory of 804 1808 fotowob dl9 4ainikoB.exe 22 PID 1808 wrote to memory of 804 1808 fotowob dl9 4ainikoB.exe 22 PID 1808 wrote to memory of 804 1808 fotowob dl9 4ainikoB.exe 22 PID 804 wrote to memory of 1396 804 WScript.exe 32 PID 804 wrote to memory of 1396 804 WScript.exe 32 PID 804 wrote to memory of 1396 804 WScript.exe 32 PID 804 wrote to memory of 1396 804 WScript.exe 32 PID 804 wrote to memory of 1396 804 WScript.exe 32 PID 804 wrote to memory of 1396 804 WScript.exe 32 PID 804 wrote to memory of 1396 804 WScript.exe 32 PID 1396 wrote to memory of 1804 1396 cmd.exe 31 PID 1396 wrote to memory of 1804 1396 cmd.exe 31 PID 1396 wrote to memory of 1804 1396 cmd.exe 31 PID 1396 wrote to memory of 1804 1396 cmd.exe 31 PID 1396 wrote to memory of 1816 1396 cmd.exe 34 PID 1396 wrote to memory of 1816 1396 cmd.exe 34 PID 1396 wrote to memory of 1816 1396 cmd.exe 34 PID 1396 wrote to memory of 1816 1396 cmd.exe 34 PID 1396 wrote to memory of 1764 1396 cmd.exe 35 PID 1396 wrote to memory of 1764 1396 cmd.exe 35 PID 1396 wrote to memory of 1764 1396 cmd.exe 35 PID 1396 wrote to memory of 1764 1396 cmd.exe 35 PID 1396 wrote to memory of 560 1396 cmd.exe 36 PID 1396 wrote to memory of 560 1396 cmd.exe 36 PID 1396 wrote to memory of 560 1396 cmd.exe 36 PID 1396 wrote to memory of 560 1396 cmd.exe 36 PID 1396 wrote to memory of 612 1396 cmd.exe 37 PID 1396 wrote to memory of 612 1396 cmd.exe 37 PID 1396 wrote to memory of 612 1396 cmd.exe 37 PID 1396 wrote to memory of 612 1396 cmd.exe 37 PID 1396 wrote to memory of 1008 1396 cmd.exe 38 PID 1396 wrote to memory of 1008 1396 cmd.exe 38 PID 1396 wrote to memory of 1008 1396 cmd.exe 38 PID 1396 wrote to memory of 1008 1396 cmd.exe 38 PID 1396 wrote to memory of 1368 1396 cmd.exe 39 PID 1396 wrote to memory of 1368 1396 cmd.exe 39 PID 1396 wrote to memory of 1368 1396 cmd.exe 39 PID 1396 wrote to memory of 1368 1396 cmd.exe 39 PID 1396 wrote to memory of 1332 1396 cmd.exe 40 PID 1396 wrote to memory of 1332 1396 cmd.exe 40 PID 1396 wrote to memory of 1332 1396 cmd.exe 40 PID 1396 wrote to memory of 1332 1396 cmd.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe"C:\Users\Admin\AppData\Local\Temp\857305aac2852c804b0c37f237a098db3007cfded1fde6fd6dd5c4cb261d7bef.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Program Files\fotowob dl9 4ainikoB.exe"C:\Program Files\fotowob dl9 4ainikoB.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1808
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\install.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:804 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Program Files (x86)\install.bat" "2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1816
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f3⤵PID:1764
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C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"3⤵
- Runs .reg file with regedit
PID:560
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C:\Windows\SysWOW64\timeout.exetimeout 23⤵
- Delays execution with timeout.exe
PID:612
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C:\Program Files (x86)\rutserv.exerutserv.exe /silentinstall3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1008
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C:\Program Files (x86)\rutserv.exerutserv.exe /firewall3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1368
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C:\Program Files (x86)\rutserv.exerutserv.exe /start3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1332
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1804
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C:\Program Files (x86)\rutserv.exe"C:\Program Files (x86)\rutserv.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:576 -
C:\Program Files (x86)\rfusclient.exe"C:\Program Files (x86)\rfusclient.exe"2⤵PID:1388
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C:\Program Files (x86)\rfusclient.exe"C:\Program Files (x86)\rfusclient.exe" /tray3⤵PID:1660
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C:\Program Files (x86)\rfusclient.exe"C:\Program Files (x86)\rfusclient.exe" /tray2⤵PID:1752
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
480B
MD599db27d776e103cad354b531ee1f20b9
SHA10b82d146df8528f66d1d14756f211fd3a8b1b91a
SHA256240020a1a1941d1455135b5cb134e502a13b148be16cbb1552482aa03c29f8f3
SHA512bc2ed33495c0a752397b2f1b9b7ba65f94ea5be82dde74c618342c83b68f1b92a4783b672cd427843533799e1af0875e0fd000b12236852e9e2fa93005d7ac69
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Filesize
117B
MD565fc32766a238ff3e95984e325357dbb
SHA13ac16a2648410be8aa75f3e2817fbf69bb0e8922
SHA256a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
SHA512621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608
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Filesize
11KB
MD534a03eb1fb7183626daa373a1eddce76
SHA1c6ab3d85c53dd00dbc6de440ac6ec809df75a2af
SHA256792330a349cab17bc0cb416315ee3bb640bb56effec3dfba8b9fd10594a33131
SHA5123d0da1093491f7eb99188c634935e6f79947add11e4371eed36ef1c4d2e8228c5acd1c2912df2ea8de098b21b9e1dbaf6c518e2e88ebea00656c6fa56facd85d
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
155KB
MD588318158527985702f61d169434a4940
SHA13cc751ba256b5727eb0713aad6f554ff1e7bca57
SHA2564c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
SHA5125d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff
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Filesize
593KB
MD56298c0af3d1d563834a218a9cc9f54bd
SHA10185cd591e454ed072e5a5077b25c612f6849dc9
SHA25681af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
SHA512389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe
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Filesize
3.4MB
MD5f2a0daeaf787e45e2776f1eda7076e7b
SHA16b349491d40334b862924f035c2a27fd8a776224
SHA25654e5e524978ffc52f4f91b81f5ee2cc788099713d804bde717092697b89dad97
SHA51292eeeac08cf3099ebaa04d67411173ee2edeab7ffe0a1323cf996a3705ba3cafa2b0ba6b9a4c264ae2568235e00d965057387f8c9d028eecd03bd95dcfe430aa
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Filesize
3.9MB
MD50bb039f8259bcc38deb8badd719fc1dd
SHA1f83b103e04ed540bd3cebe41bbce946289587ef2
SHA256bdf0176a1d78d7b2479cf459aa818aeef40a24b2c80bd9f2c44dd1b072499acd
SHA512e2c8545fd4bc23a7f4a440732066cb5c0c350ea05d598ef0bb1c564af760119573ab10092935bfb342497727eb6d9ef66b83d4bf01575481664862df923aa559
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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Filesize
4.0MB
MD5d86dbee37099458bdc3c3b9c4d8182f2
SHA180c4437e1291a7f0d9798c4f07512d8672455111
SHA2560a9a12a52e024d1f7ee6b67b30183df5825646060d615ce54336dbc17c95ad24
SHA512108b79bfc4b7291e09eff1a90115f8311e02ee26f002b6601c0a65c0f819424d5286daca55005dba0a40047f7ed45c3bd2341662de7590680dd4491cdf67bd09
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Filesize
4.0MB
MD5d86dbee37099458bdc3c3b9c4d8182f2
SHA180c4437e1291a7f0d9798c4f07512d8672455111
SHA2560a9a12a52e024d1f7ee6b67b30183df5825646060d615ce54336dbc17c95ad24
SHA512108b79bfc4b7291e09eff1a90115f8311e02ee26f002b6601c0a65c0f819424d5286daca55005dba0a40047f7ed45c3bd2341662de7590680dd4491cdf67bd09
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Filesize
4.0MB
MD5d86dbee37099458bdc3c3b9c4d8182f2
SHA180c4437e1291a7f0d9798c4f07512d8672455111
SHA2560a9a12a52e024d1f7ee6b67b30183df5825646060d615ce54336dbc17c95ad24
SHA512108b79bfc4b7291e09eff1a90115f8311e02ee26f002b6601c0a65c0f819424d5286daca55005dba0a40047f7ed45c3bd2341662de7590680dd4491cdf67bd09