591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060

General

Target

591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Size

726KB
MD5

0d534a0376b811650a376c4a9a925810
SHA1

1321d5992c45ab166bc4dcfa95b50e23bb091c7d
SHA256

591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060
SHA512

270d261d7d28806b258607690c53156fe03ad44ae19b0ecb6246e55544b9c6206a1564ff48a5ed54beb2e2ccf2636e00f23c6120de56f1ce6f024e6c3db5a461
SSDEEP

12288:WGxihuMhJ94w6qD8a4/HvE+rl48cz5Y93ON7BvjdMMf4rv4JLxm2Q+tLOIl3ge:W0iAMJV6qYa648cNL7BvhMMf4rv4JLAW

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1384	clientbarviow.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1464-56-0x0000000000400000-0x00000000005BC000-memory.dmp	upx
behavioral1/memory/1464-66-0x0000000000400000-0x00000000005BC000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\SysWOW64\cfghw.tmp	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 11 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\qq.com	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\qq.com\NumberOfSubdomains = "1"	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "107"	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\aq.qq.com\ = "107"	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\qq.com\Total = "107"	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\aq.qq.com	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 04000000010000001000000079e4a9840d7d3a96d7c04fe2434c892e0f0000000100000014000000b34ddd372ed92e8f2abfbb9e20a9d31f204f194b090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030814000000010000001400000003de503556d14cbb66f0a3e21b1bc397b23dd1550b00000001000000120000004400690067006900430065007200740000001d000000010000001000000059779e39e21a2e3dfced6857ed5c5fd9030000000100000014000000a8985d3a65e5e5c4b2d7d66d40c6dd2fb19c54361900000001000000100000000f3a0527d242de2dc98e5cfcb1e991ee2000000001000000b3030000308203af30820297a0030201020210083be056904246b1a1756ac95991c74a300d06092a864886f70d01010505003061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a3061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100e23be11172dea8a4d3a357aa50a28f0b7790c9a2a5ee12ce965b010920cc0193a74e30b753f743c46900579de28d22dd870640008109cece1b83bfdfcd3b7146e2d666c705b37627168f7b9e1e957deeb748a308dad6af7a0c3906657f4a5d1fbc17f8abbeee28d7747f7a78995985686e5c23324bbf4ec0e85a6de370bf7710bffc01f685d9a844105832a97518d5d1a2be47e2276af49a33f84908608bd45fb43a84bfa1aa4a4c7d3ecf4f5f6c765ea04b37919edc22e66dce141a8e6acbfecdb3146417c75b299e32bff2eefad30b42d4abb74132da0cd4eff881d5bb8d583fb51be84928a270da3104ddf7b216f24c0a4e07a8ed4a3d5eb57fa390c3af270203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e0416041403de503556d14cbb66f0a3e21b1bc397b23dd155301f0603551d2304183016801403de503556d14cbb66f0a3e21b1bc397b23dd155300d06092a864886f70d01010505000382010100cb9c37aa4813120afadd449c4f52b0f4dfae04f5797908a32418fc4b2b84c02db9d5c7fef4c11f58cbb86d9c7a74e79829ab11b5e370a0a1cd4c8899938c9170e2ab0f1cbe93a9ff63d5e40760d3a3bf9d5b09f1d58ee353f48e63fa3fa7dbb466df6266d6d16e418df22db5ea774a9f9d58e22b59c04023ed2d2882453e7954922698e08048a837eff0d6796016deace80ecd6eac4417382f49dae1453e2ab93653cf3a5006f72ee8c457496c612118d504ad783c2c3a806ba7ebaf1514e9d889c1b9386ce2916c8aff64b977255730c01b24a3e1dce9df477cb5b424080530ec2dbd0bbf45bf50b9a9f3eb980112adc888c698345f8d0a3cc6e9d595956dde	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1384	clientbarviow.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Token: SeSystemtimePrivilege	1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Token: SeSystemtimePrivilege	1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
Token: SeSystemtimePrivilege	1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 1384	1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe	27
PID 1464 wrote to memory of 1384	1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe	27
PID 1464 wrote to memory of 1384	1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe	27
PID 1464 wrote to memory of 1384	1464	591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe	27

C:\Users\Admin\AppData\Local\Temp\591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe
"C:\Users\Admin\AppData\Local\Temp\591282ce0cc44316c9bf5bc4e1fd5e14f24b43068e6f24d78191bb3893742060.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464
- \??\c:\windows\temp\clientbarviow.exe
  c:\windows\temp\clientbarviow.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:1384

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Temp\clientbarviow.exe

Filesize
12KB

MD5
cc9379df75783ef4b6121a0bc1e6558c

SHA1
1960f3392bca58befc23b6fef038a65a45c0b483

SHA256
d7648d3a1498c6e9349c5cfd825e2d91fc4823c75cd18e7efa3873d43915f41d

SHA512
2667de1aa3139957f7b29a709cabfba29d867c7a50fbfd6d66b0c050ea0ba0e12cb156e592f3a39ae415b1c18b06344d63e4620bf41701daf904c518b2001cbd

Download Submit
\Windows\Temp\clientbarviow.exe

Filesize
12KB

MD5
cc9379df75783ef4b6121a0bc1e6558c

SHA1
1960f3392bca58befc23b6fef038a65a45c0b483

SHA256
d7648d3a1498c6e9349c5cfd825e2d91fc4823c75cd18e7efa3873d43915f41d

SHA512
2667de1aa3139957f7b29a709cabfba29d867c7a50fbfd6d66b0c050ea0ba0e12cb156e592f3a39ae415b1c18b06344d63e4620bf41701daf904c518b2001cbd

Download Submit
\Windows\Temp\clientbarviow.exe

Filesize
12KB

MD5
cc9379df75783ef4b6121a0bc1e6558c

SHA1
1960f3392bca58befc23b6fef038a65a45c0b483

SHA256
d7648d3a1498c6e9349c5cfd825e2d91fc4823c75cd18e7efa3873d43915f41d

SHA512
2667de1aa3139957f7b29a709cabfba29d867c7a50fbfd6d66b0c050ea0ba0e12cb156e592f3a39ae415b1c18b06344d63e4620bf41701daf904c518b2001cbd

Download Submit
memory/1384-65-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1464-56-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download
memory/1464-57-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1464-58-0x0000000003FD0000-0x0000000005032000-memory.dmp

Filesize
16.4MB

Download
memory/1464-63-0x0000000000350000-0x0000000000355000-memory.dmp

Filesize
20KB

Download
memory/1464-64-0x0000000000350000-0x0000000000355000-memory.dmp

Filesize
20KB

Download
memory/1464-66-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads