Analysis
-
max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
24-05-2022 13:52
Static task
static1
Behavioral task
behavioral1
Sample
0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe
Resource
win7-20220414-en
General
-
Target
0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe
-
Size
4.1MB
-
MD5
5fb9e7b8488d2371d19cc23dc8a5773d
-
SHA1
fa908ea90cd99bea6290a62ebf4c53140e43fbf0
-
SHA256
0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc
-
SHA512
c6a9785f151267eeba0276c06019ea2adc18fe6fa4d9bd7ed3cb1072c793ecb7f08aad68c5d2ba7b75cb9c30c625169c5fe7522d52c22ff150a9b889a2f1b6dd
Malware Config
Signatures
-
ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0006000000022ebb-171.dat acprotect behavioral2/files/0x0006000000022eba-170.dat acprotect -
resource yara_rule behavioral2/files/0x000b000000022eb2-141.dat aspack_v212_v242 behavioral2/files/0x000b000000022eb2-142.dat aspack_v212_v242 behavioral2/files/0x000b000000022eb2-150.dat aspack_v212_v242 behavioral2/files/0x000b000000022eb2-158.dat aspack_v212_v242 behavioral2/files/0x000b000000022eb2-164.dat aspack_v212_v242 behavioral2/files/0x0006000000022ebf-172.dat aspack_v212_v242 behavioral2/files/0x0006000000022ebf-175.dat aspack_v212_v242 behavioral2/files/0x0006000000022ebf-176.dat aspack_v212_v242 behavioral2/files/0x0006000000022ebf-189.dat aspack_v212_v242 -
Executes dropped EXE 7 IoCs
pid Process 2540 rutserv.exe 5036 rutserv.exe 3848 rutserv.exe 4980 rutserv.exe 3784 rfusclient.exe 3356 rfusclient.exe 1912 rfusclient.exe -
resource yara_rule behavioral2/files/0x0006000000022ebb-171.dat upx behavioral2/files/0x0006000000022eba-170.dat upx -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe -
Drops file in Program Files directory 15 IoCs
description ioc Process File created C:\Program Files\Java\install.vbs 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File created C:\Program Files\Java\install.bat 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File opened for modification C:\Program Files\Java\install.vbs 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File opened for modification C:\Program Files\Java\rfusclient.exe 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File created C:\Program Files\Java\__tmp_rar_sfx_access_check_240567125 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File created C:\Program Files\Java\vp8encoder.dll 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File created C:\Program Files\Java\regedit.reg 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File created C:\Program Files\Java\rfusclient.exe 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File created C:\Program Files\Java\rutserv.exe 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File opened for modification C:\Program Files\Java\rutserv.exe 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File opened for modification C:\Program Files\Java\vp8encoder.dll 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File opened for modification C:\Program Files\Java\regedit.reg 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File opened for modification C:\Program Files\Java\install.bat 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File created C:\Program Files\Java\vp8decoder.dll 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe File opened for modification C:\Program Files\Java\vp8decoder.dll 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Delays execution with timeout.exe 1 IoCs
pid Process 1444 timeout.exe -
Kills process with taskkill 2 IoCs
pid Process 4760 taskkill.exe 4364 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000_Classes\Local Settings 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe -
Runs .reg file with regedit 1 IoCs
pid Process 1144 regedit.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2540 rutserv.exe 2540 rutserv.exe 2540 rutserv.exe 2540 rutserv.exe 2540 rutserv.exe 2540 rutserv.exe 5036 rutserv.exe 5036 rutserv.exe 3848 rutserv.exe 3848 rutserv.exe 4980 rutserv.exe 4980 rutserv.exe 4980 rutserv.exe 4980 rutserv.exe 4980 rutserv.exe 4980 rutserv.exe 3784 rfusclient.exe 3784 rfusclient.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
pid Process 1912 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 4760 taskkill.exe Token: SeDebugPrivilege 4364 taskkill.exe Token: SeDebugPrivilege 2540 rutserv.exe Token: SeDebugPrivilege 3848 rutserv.exe Token: SeTakeOwnershipPrivilege 4980 rutserv.exe Token: SeTcbPrivilege 4980 rutserv.exe Token: SeTcbPrivilege 4980 rutserv.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2540 rutserv.exe 5036 rutserv.exe 3848 rutserv.exe 4980 rutserv.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 5100 wrote to memory of 4308 5100 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe 81 PID 5100 wrote to memory of 4308 5100 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe 81 PID 5100 wrote to memory of 4308 5100 0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe 81 PID 4308 wrote to memory of 4080 4308 WScript.exe 82 PID 4308 wrote to memory of 4080 4308 WScript.exe 82 PID 4308 wrote to memory of 4080 4308 WScript.exe 82 PID 4080 wrote to memory of 4760 4080 cmd.exe 84 PID 4080 wrote to memory of 4760 4080 cmd.exe 84 PID 4080 wrote to memory of 4760 4080 cmd.exe 84 PID 4080 wrote to memory of 4364 4080 cmd.exe 85 PID 4080 wrote to memory of 4364 4080 cmd.exe 85 PID 4080 wrote to memory of 4364 4080 cmd.exe 85 PID 4080 wrote to memory of 3436 4080 cmd.exe 86 PID 4080 wrote to memory of 3436 4080 cmd.exe 86 PID 4080 wrote to memory of 3436 4080 cmd.exe 86 PID 4080 wrote to memory of 1144 4080 cmd.exe 87 PID 4080 wrote to memory of 1144 4080 cmd.exe 87 PID 4080 wrote to memory of 1144 4080 cmd.exe 87 PID 4080 wrote to memory of 1444 4080 cmd.exe 88 PID 4080 wrote to memory of 1444 4080 cmd.exe 88 PID 4080 wrote to memory of 1444 4080 cmd.exe 88 PID 4080 wrote to memory of 2540 4080 cmd.exe 91 PID 4080 wrote to memory of 2540 4080 cmd.exe 91 PID 4080 wrote to memory of 2540 4080 cmd.exe 91 PID 4080 wrote to memory of 5036 4080 cmd.exe 93 PID 4080 wrote to memory of 5036 4080 cmd.exe 93 PID 4080 wrote to memory of 5036 4080 cmd.exe 93 PID 4080 wrote to memory of 3848 4080 cmd.exe 95 PID 4080 wrote to memory of 3848 4080 cmd.exe 95 PID 4080 wrote to memory of 3848 4080 cmd.exe 95 PID 4980 wrote to memory of 3784 4980 rutserv.exe 100 PID 4980 wrote to memory of 3784 4980 rutserv.exe 100 PID 4980 wrote to memory of 3784 4980 rutserv.exe 100 PID 4980 wrote to memory of 3356 4980 rutserv.exe 99 PID 4980 wrote to memory of 3356 4980 rutserv.exe 99 PID 4980 wrote to memory of 3356 4980 rutserv.exe 99 PID 3784 wrote to memory of 1912 3784 rfusclient.exe 102 PID 3784 wrote to memory of 1912 3784 rfusclient.exe 102 PID 3784 wrote to memory of 1912 3784 rfusclient.exe 102
Processes
-
C:\Users\Admin\AppData\Local\Temp\0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe"C:\Users\Admin\AppData\Local\Temp\0aac63a17439f31adb411a8d7de0cf2b1316fc2d9a5e3166fb74dc1053c805fc.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\program files\java\install.vbs"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files\Java\install.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:4080 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4760
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4364
-
-
C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f4⤵PID:3436
-
-
C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"4⤵
- Runs .reg file with regedit
PID:1144
-
-
C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- Delays execution with timeout.exe
PID:1444
-
-
\??\c:\program files\java\rutserv.exerutserv.exe /silentinstall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2540
-
-
\??\c:\program files\java\rutserv.exerutserv.exe /firewall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:5036
-
-
\??\c:\program files\java\rutserv.exerutserv.exe /start4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3848
-
-
-
-
\??\c:\program files\java\rutserv.exe"c:\program files\java\rutserv.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4980 -
\??\c:\program files\java\rfusclient.exe"c:\program files\java\rfusclient.exe" /tray2⤵
- Executes dropped EXE
PID:3356
-
-
\??\c:\program files\java\rfusclient.exe"c:\program files\java\rfusclient.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3784 -
\??\c:\program files\java\rfusclient.exe"c:\program files\java\rfusclient.exe" /tray3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:1912
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
292B
MD5f7a8ec8ddddc852bf957097e73fc6ed2
SHA1242ffef63ca3d801e9f1e1715bc65fbfb42d9808
SHA256c41bf886f231850c85933f78fb7788d3b966015a5f91d628d1722abe5fcebd34
SHA512a4033b64b8e41ab92a70810d5e4f344e6c192b560be2765823b90f08fd9c0a0336340b8f88e84f79bede47803b410a5200cb55c39612b679f119074f2e0add98
-
Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
-
Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
-
Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
-
Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
-
Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
-
Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
-
Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
-
Filesize
117B
MD565fc32766a238ff3e95984e325357dbb
SHA13ac16a2648410be8aa75f3e2817fbf69bb0e8922
SHA256a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
SHA512621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608
-
Filesize
11KB
MD5ea6dcdc7e952c392b407f7a2d447d3bf
SHA176655bf9d5e158a18f8c8c69887134605592e708
SHA256daf75b59058b4851401e4bf6091b99ec8865061280863db18c68f324e8d510a8
SHA5122ebca990a6f30d1dd4e5d2623890c6bfa361e21fb156d39ef6a01768cd2d1afefe8d134a6f05928e8aae2c53ef04a87d8df33555c00ccdbbe744930dbf253ccd
-
Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
-
Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
-
Filesize
155KB
MD588318158527985702f61d169434a4940
SHA13cc751ba256b5727eb0713aad6f554ff1e7bca57
SHA2564c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
SHA5125d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff
-
Filesize
593KB
MD56298c0af3d1d563834a218a9cc9f54bd
SHA10185cd591e454ed072e5a5077b25c612f6849dc9
SHA25681af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
SHA512389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe