Analysis
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max time kernel
145s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2022 02:36
Static task
static1
Behavioral task
behavioral1
Sample
7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe
Resource
win7-20220715-en
General
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Target
7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe
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Size
4.0MB
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MD5
ea0f7dcda9ac2e2ad0810c00c6f7f5f9
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SHA1
b6f534a265b69840f95fc0a2511ceb567e70da81
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SHA256
7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288
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SHA512
3b04f28726f5ddb0f4fb839b012b44958a4498cb0419678cd92bca2739639b83dd34fab4157492a0c392e16686d359bdb662c0e6804440fa18de3e5814b3de2d
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0006000000022e7b-173.dat acprotect behavioral2/files/0x0006000000022e7a-172.dat acprotect -
resource yara_rule behavioral2/files/0x0008000000022e77-141.dat aspack_v212_v242 behavioral2/files/0x0008000000022e77-142.dat aspack_v212_v242 behavioral2/files/0x0008000000022e77-151.dat aspack_v212_v242 behavioral2/files/0x0008000000022e77-159.dat aspack_v212_v242 behavioral2/files/0x0008000000022e77-165.dat aspack_v212_v242 behavioral2/files/0x000b000000022e69-174.dat aspack_v212_v242 behavioral2/files/0x000b000000022e69-177.dat aspack_v212_v242 behavioral2/files/0x000b000000022e69-178.dat aspack_v212_v242 behavioral2/files/0x000b000000022e69-193.dat aspack_v212_v242 -
Executes dropped EXE 7 IoCs
pid Process 3056 rutserv.exe 3304 rutserv.exe 2176 rutserv.exe 4444 rutserv.exe 176 rfusclient.exe 32 rfusclient.exe 4496 rfusclient.exe -
resource yara_rule behavioral2/files/0x0006000000022e7b-173.dat upx behavioral2/files/0x0006000000022e7a-172.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-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe Key value queried \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation WScript.exe -
Drops file in Program Files directory 15 IoCs
description ioc Process File opened for modification C:\Program Files\Java\vp8decoder.dll 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File opened for modification C:\Program Files\Java\vp8encoder.dll 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File created C:\Program Files\Java\install.vbs 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File opened for modification C:\Program Files\Java\install.vbs 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File created C:\Program Files\Java\regedit.reg 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File opened for modification C:\Program Files\Java\rutserv.exe 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File created C:\Program Files\Java\install.bat 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File opened for modification C:\Program Files\Java\install.bat 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File created C:\Program Files\Java\rfusclient.exe 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File opened for modification C:\Program Files\Java\rfusclient.exe 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File created C:\Program Files\Java\vp8encoder.dll 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File opened for modification C:\Program Files\Java\regedit.reg 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File created C:\Program Files\Java\__tmp_rar_sfx_access_check_240570640 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File created C:\Program Files\Java\rutserv.exe 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe File created C:\Program Files\Java\vp8decoder.dll 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.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 4028 timeout.exe -
Kills process with taskkill 2 IoCs
pid Process 3352 taskkill.exe 3328 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000_Classes\Local Settings 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe -
Runs .reg file with regedit 1 IoCs
pid Process 3136 regedit.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 3056 rutserv.exe 3056 rutserv.exe 3056 rutserv.exe 3056 rutserv.exe 3056 rutserv.exe 3056 rutserv.exe 3304 rutserv.exe 3304 rutserv.exe 2176 rutserv.exe 2176 rutserv.exe 4444 rutserv.exe 4444 rutserv.exe 4444 rutserv.exe 4444 rutserv.exe 4444 rutserv.exe 4444 rutserv.exe 176 rfusclient.exe 176 rfusclient.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
pid Process 4496 rfusclient.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 3328 taskkill.exe Token: SeDebugPrivilege 3352 taskkill.exe Token: SeDebugPrivilege 3056 rutserv.exe Token: SeDebugPrivilege 2176 rutserv.exe Token: SeTakeOwnershipPrivilege 4444 rutserv.exe Token: SeTcbPrivilege 4444 rutserv.exe Token: SeTcbPrivilege 4444 rutserv.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3056 rutserv.exe 3304 rutserv.exe 2176 rutserv.exe 4444 rutserv.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3768 wrote to memory of 4864 3768 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe 81 PID 3768 wrote to memory of 4864 3768 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe 81 PID 3768 wrote to memory of 4864 3768 7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe 81 PID 4864 wrote to memory of 2228 4864 WScript.exe 82 PID 4864 wrote to memory of 2228 4864 WScript.exe 82 PID 4864 wrote to memory of 2228 4864 WScript.exe 82 PID 2228 wrote to memory of 3328 2228 cmd.exe 84 PID 2228 wrote to memory of 3328 2228 cmd.exe 84 PID 2228 wrote to memory of 3328 2228 cmd.exe 84 PID 2228 wrote to memory of 3352 2228 cmd.exe 85 PID 2228 wrote to memory of 3352 2228 cmd.exe 85 PID 2228 wrote to memory of 3352 2228 cmd.exe 85 PID 2228 wrote to memory of 4080 2228 cmd.exe 86 PID 2228 wrote to memory of 4080 2228 cmd.exe 86 PID 2228 wrote to memory of 4080 2228 cmd.exe 86 PID 2228 wrote to memory of 3136 2228 cmd.exe 87 PID 2228 wrote to memory of 3136 2228 cmd.exe 87 PID 2228 wrote to memory of 3136 2228 cmd.exe 87 PID 2228 wrote to memory of 4028 2228 cmd.exe 88 PID 2228 wrote to memory of 4028 2228 cmd.exe 88 PID 2228 wrote to memory of 4028 2228 cmd.exe 88 PID 2228 wrote to memory of 3056 2228 cmd.exe 89 PID 2228 wrote to memory of 3056 2228 cmd.exe 89 PID 2228 wrote to memory of 3056 2228 cmd.exe 89 PID 2228 wrote to memory of 3304 2228 cmd.exe 90 PID 2228 wrote to memory of 3304 2228 cmd.exe 90 PID 2228 wrote to memory of 3304 2228 cmd.exe 90 PID 2228 wrote to memory of 2176 2228 cmd.exe 91 PID 2228 wrote to memory of 2176 2228 cmd.exe 91 PID 2228 wrote to memory of 2176 2228 cmd.exe 91 PID 4444 wrote to memory of 176 4444 rutserv.exe 94 PID 4444 wrote to memory of 176 4444 rutserv.exe 94 PID 4444 wrote to memory of 176 4444 rutserv.exe 94 PID 4444 wrote to memory of 32 4444 rutserv.exe 93 PID 4444 wrote to memory of 32 4444 rutserv.exe 93 PID 4444 wrote to memory of 32 4444 rutserv.exe 93 PID 176 wrote to memory of 4496 176 rfusclient.exe 95 PID 176 wrote to memory of 4496 176 rfusclient.exe 95 PID 176 wrote to memory of 4496 176 rfusclient.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe"C:\Users\Admin\AppData\Local\Temp\7b6e26e5669e5904370d39708a299550a3ab8c1797e3257dee36923f63030288.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3768 -
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:4864 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files\Java\install.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rutserv.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3328
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im rfusclient.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3352
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SYSTEM\Remote Manipulator System" /f4⤵PID:4080
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C:\Windows\SysWOW64\regedit.exeregedit /s "regedit.reg"4⤵
- Runs .reg file with regedit
PID:3136
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C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- Delays execution with timeout.exe
PID:4028
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\??\c:\Program Files\Java\rutserv.exerutserv.exe /silentinstall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3056
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\??\c:\Program Files\Java\rutserv.exerutserv.exe /firewall4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3304
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\??\c:\Program Files\Java\rutserv.exerutserv.exe /start4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2176
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\??\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:4444 -
\??\c:\Program Files\Java\rfusclient.exe"c:\Program Files\Java\rfusclient.exe" /tray2⤵
- Executes dropped EXE
PID:32
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\??\c:\Program Files\Java\rfusclient.exe"c:\Program Files\Java\rfusclient.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:176 -
\??\c:\Program Files\Java\rfusclient.exe"c:\Program Files\Java\rfusclient.exe" /tray3⤵
- Executes dropped EXE
- Suspicious behavior: SetClipboardViewer
PID:4496
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
290B
MD59dc2286281a11ee72985dd2041a58ee3
SHA1de55198aa0f697ed77e98e3e61deb4cb70ba3b03
SHA25667f0f1704add831bd00a4977a185a2c97198cc4b3299233f62c3a0820716268a
SHA512ce4443ec8482cdce28bae0169b0d7df688190a596b914df0bbf62ae2598312c9bfc703ffd2d9b6c548e170bf4cb60cef9d4f9494b0e6391cd8cf6d45affa05f6
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Filesize
117B
MD565fc32766a238ff3e95984e325357dbb
SHA13ac16a2648410be8aa75f3e2817fbf69bb0e8922
SHA256a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
SHA512621e81fc2d0f9dd92413481864638a140bee94c7dbd31f944826b21bd6ad6b8a59e63de9f7f0025cffc0efb7f9975dde77f523510ee23ada62c152a63a22f608
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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Filesize
1.5MB
MD5b8667a1e84567fcf7821bcefb6a444af
SHA19c1f91fe77ad357c8f81205d65c9067a270d61f0
SHA256dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
SHA512ec6af663a3b41719d684f04504746f91196105ef6f8baa013b4bd02df6684eca49049d5517691f8e3a4ba6351fe35545a27f728b1d29d949e950d574a012f852
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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
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
1.7MB
MD537a8802017a212bb7f5255abc7857969
SHA1cb10c0d343c54538d12db8ed664d0a1fa35b6109
SHA2561699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
SHA5124e20141da8ea4499daf8be5cc41b664dc4229e9575765caf6dc5873d8d0a09f9e200988e1404e767d0415005876a4cf38d5737bd3e1b2c12c4a8fb28adb4f0a0
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Filesize
11KB
MD50b27586ecd0613374466c8dece651e01
SHA12ce1a699b984f597db339ca1a33be5a011cd915d
SHA2560b022892eab52de3911e818573f836610106571d2ee5b2b5a58f916ffa4e3dc3
SHA512d23e0feb708f37cdc9421d4212d9395b3f2d6d600c31454eefefd41069f386bac91ea028bab0369f63a9bdb0332f1f9e36973b71bd94f47f86d5ad1bf210739f
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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
155KB
MD588318158527985702f61d169434a4940
SHA13cc751ba256b5727eb0713aad6f554ff1e7bca57
SHA2564c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
SHA5125d88562b6c6d2a5b14390512712819238cd838914f7c48a27f017827cb9b825c24ff05a30333427acec93cd836e8f04158b86d17e6ac3dd62c55b2e2ff4e2aff
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Filesize
593KB
MD56298c0af3d1d563834a218a9cc9f54bd
SHA10185cd591e454ed072e5a5077b25c612f6849dc9
SHA25681af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
SHA512389d89053689537cdb582c0e8a7951a84549f0c36484db4346c31bdbe7cb93141f6a354069eb13e550297dc8ec35cd6899746e0c16abc876a0fe542cc450fffe