fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b

Analysis

max time kernel
151s
max time network
190s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 16:17

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General

Target

fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
Size

686KB
MD5

671bdc42b32de9727d7c53282c898f87
SHA1

79096cfee89da902d185b75b8c42c516961686b3
SHA256

fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b
SHA512

43d63e4d2a432ad17cf67ac82a69a0c6eb74e406251189a9daa6d3a0557ee732ba84e5b0eb338ddf3161d632eea07c337f1b77d9739c5df388dcb0d60d070a20
SSDEEP

12288:fvVDGoF1IMqmLum9mqE+vXgVFMtRMa4cRs9qz/SNlBZPsC5cwnqgAF9xc:fvVH1IMqmLZ9muXkFMTMa4cRclNt5Lsc

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000900000001267a-54.dat	acprotect
behavioral1/files/0x000900000001267a-66.dat	acprotect
behavioral1/files/0x000900000001267a-65.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
1456	Yvnnorrvi.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000900000001267a-54.dat	upx
behavioral1/memory/1788-57-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral1/files/0x000900000001267a-66.dat	upx
behavioral1/files/0x000900000001267a-65.dat	upx
behavioral1/memory/1456-73-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral1/memory/1788-78-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral1/memory/1788-81-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral1/memory/1456-83-0x0000000010000000-0x0000000010129000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1748	cmd.exe

Loads dropped DLL 6 IoCs

pid	Process
1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
1456	Yvnnorrvi.exe
1456	Yvnnorrvi.exe
1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Yvnnorrvi.exe	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
File opened for modification	C:\Program Files (x86)\Yvnnorrvi.exe	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
File created	C:\Program Files (x86)\Yvnnorrvi.fnr	Yvnnorrvi.exe

Modifies Internet Explorer Automatic Crash Recovery 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AutoRecover = "2"	Yvnnorrvi.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Check_Associations = "NO"	Yvnnorrvi.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{AFE10EF1-436A-11ED-8716-EAF6071D98F9} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AutoRecover = "2"	Yvnnorrvi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
1456	Yvnnorrvi.exe
1456	Yvnnorrvi.exe
1456	Yvnnorrvi.exe
1456	Yvnnorrvi.exe
1456	Yvnnorrvi.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1040	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
1456	Yvnnorrvi.exe
1456	Yvnnorrvi.exe
1040	IEXPLORE.EXE
1040	IEXPLORE.EXE
1688	IEXPLORE.EXE
1688	IEXPLORE.EXE
1688	IEXPLORE.EXE
1688	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1456	1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe	28
PID 1788 wrote to memory of 1456	1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe	28
PID 1788 wrote to memory of 1456	1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe	28
PID 1788 wrote to memory of 1456	1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe	28
PID 1788 wrote to memory of 1748	1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe	29
PID 1788 wrote to memory of 1748	1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe	29
PID 1788 wrote to memory of 1748	1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe	29
PID 1788 wrote to memory of 1748	1788	fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe	29
PID 1456 wrote to memory of 1040	1456	Yvnnorrvi.exe	31
PID 1456 wrote to memory of 1040	1456	Yvnnorrvi.exe	31
PID 1456 wrote to memory of 1040	1456	Yvnnorrvi.exe	31
PID 1456 wrote to memory of 1040	1456	Yvnnorrvi.exe	31
PID 1456 wrote to memory of 1040	1456	Yvnnorrvi.exe	31
PID 1040 wrote to memory of 1688	1040	IEXPLORE.EXE	33
PID 1040 wrote to memory of 1688	1040	IEXPLORE.EXE	33
PID 1040 wrote to memory of 1688	1040	IEXPLORE.EXE	33
PID 1040 wrote to memory of 1688	1040	IEXPLORE.EXE	33

C:\Users\Admin\AppData\Local\Temp\fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe
"C:\Users\Admin\AppData\Local\Temp\fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Program Files (x86)\Yvnnorrvi.exe
  "C:\Program Files (x86)\Yvnnorrvi.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Modifies Internet Explorer Automatic Crash Recovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1040
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1040 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1688
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""c:\fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe_And xMe.bat""
  2⤵
  - Deletes itself
  PID:1748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Yvnnorrvi.exe

Filesize
42.9MB

MD5
be15c3e7220ae89672b02fe9a6ebb30b

SHA1
23685e6786ea2a62ed1bbb2c395c3e0ac7ac3377

SHA256
87466a3d0ff2655a074cf39b8c7cce0a08e1d4cc43a1c137272f2f7f8d865c21

SHA512
16316fb89b37ea688f8d80d3c0a22ba431778cdaeb05e3d69afcf28dd3e3cc0700a4f6256b4efa8c00c06ee1968eb077518977e8a93cf59fb95fcb9c8234f003

Download Submit
C:\Program Files (x86)\Yvnnorrvi.exe

Filesize
42.9MB

MD5
be15c3e7220ae89672b02fe9a6ebb30b

SHA1
23685e6786ea2a62ed1bbb2c395c3e0ac7ac3377

SHA256
87466a3d0ff2655a074cf39b8c7cce0a08e1d4cc43a1c137272f2f7f8d865c21

SHA512
16316fb89b37ea688f8d80d3c0a22ba431778cdaeb05e3d69afcf28dd3e3cc0700a4f6256b4efa8c00c06ee1968eb077518977e8a93cf59fb95fcb9c8234f003

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\Exmlrpc.fne

Filesize
72KB

MD5
f79ee77a4f30401507e6f54a61598f58

SHA1
7f3ef4945f621ed2880ff5a10a126957b2011a17

SHA256
cf8e29720823eb114fbc3018569a7296ed3e6fcd6c4897f50c5c6e0e98d0b3f8

SHA512
26ccde784b06c46f60fb5a105c806c4d9dc1497fd79d39728fbcfa869d470ca2ba018b0665f3cbc05019fb0766dac2eb1084a6fdce2f9aaaae881beb09dd3739

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
112KB

MD5
6d4b2e73f6f8ecff02f19f7e8ef9a8c7

SHA1
09c32ca167136a17fd69df8c525ea5ffeca6c534

SHA256
fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

SHA512
2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
112KB

MD5
6d4b2e73f6f8ecff02f19f7e8ef9a8c7

SHA1
09c32ca167136a17fd69df8c525ea5ffeca6c534

SHA256
fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

SHA512
2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
409KB

MD5
c3d354bdf277263b13dca264ec2add9d

SHA1
b428dfd7df0f6024e22838823cc702e2293bd314

SHA256
ede1e15bb21655495ea3b3fb6710390d53839abeed944ed7ab1af7403b50aa5f

SHA512
24c8e96b3c07fa4e44fbb31a4e09bea728d90d410352aa9c6b6b6165ff5c038f689b7b58b05abc6513fa4ab953b78edc0f9e8298b2d57fe1c26e80068e7ca68e

Download Submit
\??\c:\fab2ddfbee9e9820e39633a2ab00da92bf2cf9c137426614abee9227a87a050b.exe_And xMe.bat

Filesize
246B

MD5
f6118d2b73ffe334959759aa9a4bd5d3

SHA1
60c010d384fa3a84ab99c35d7645fa6f59057022

SHA256
64f328004dca151172911b1224465b677f24843f7ed8b09b0628ddc2ce4c6bde

SHA512
aa2b96f77dc75d046b2b209b6f11aca741bc5bdd92e47edbf1a4a10e679aaffb34e786ca842f7f1f90e0f27d171a3b94ddce1bcad7ee63fcb2266d32dae7bc74

Download Submit
\Program Files (x86)\Yvnnorrvi.exe

Filesize
42.9MB

MD5
be15c3e7220ae89672b02fe9a6ebb30b

SHA1
23685e6786ea2a62ed1bbb2c395c3e0ac7ac3377

SHA256
87466a3d0ff2655a074cf39b8c7cce0a08e1d4cc43a1c137272f2f7f8d865c21

SHA512
16316fb89b37ea688f8d80d3c0a22ba431778cdaeb05e3d69afcf28dd3e3cc0700a4f6256b4efa8c00c06ee1968eb077518977e8a93cf59fb95fcb9c8234f003

Download Submit
\Program Files (x86)\Yvnnorrvi.exe

Filesize
42.9MB

MD5
be15c3e7220ae89672b02fe9a6ebb30b

SHA1
23685e6786ea2a62ed1bbb2c395c3e0ac7ac3377

SHA256
87466a3d0ff2655a074cf39b8c7cce0a08e1d4cc43a1c137272f2f7f8d865c21

SHA512
16316fb89b37ea688f8d80d3c0a22ba431778cdaeb05e3d69afcf28dd3e3cc0700a4f6256b4efa8c00c06ee1968eb077518977e8a93cf59fb95fcb9c8234f003

Download Submit
\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
112KB

MD5
6d4b2e73f6f8ecff02f19f7e8ef9a8c7

SHA1
09c32ca167136a17fd69df8c525ea5ffeca6c534

SHA256
fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

SHA512
2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

Download Submit
\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
112KB

MD5
6d4b2e73f6f8ecff02f19f7e8ef9a8c7

SHA1
09c32ca167136a17fd69df8c525ea5ffeca6c534

SHA256
fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

SHA512
2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

Download Submit
\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
409KB

MD5
c3d354bdf277263b13dca264ec2add9d

SHA1
b428dfd7df0f6024e22838823cc702e2293bd314

SHA256
ede1e15bb21655495ea3b3fb6710390d53839abeed944ed7ab1af7403b50aa5f

SHA512
24c8e96b3c07fa4e44fbb31a4e09bea728d90d410352aa9c6b6b6165ff5c038f689b7b58b05abc6513fa4ab953b78edc0f9e8298b2d57fe1c26e80068e7ca68e

Download Submit
\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
409KB

MD5
c3d354bdf277263b13dca264ec2add9d

SHA1
b428dfd7df0f6024e22838823cc702e2293bd314

SHA256
ede1e15bb21655495ea3b3fb6710390d53839abeed944ed7ab1af7403b50aa5f

SHA512
24c8e96b3c07fa4e44fbb31a4e09bea728d90d410352aa9c6b6b6165ff5c038f689b7b58b05abc6513fa4ab953b78edc0f9e8298b2d57fe1c26e80068e7ca68e

Download Submit
memory/1456-69-0x00000000005C0000-0x00000000005DE000-memory.dmp

Filesize
120KB

Download
memory/1456-83-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/1456-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1456-73-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/1788-57-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/1788-76-0x0000000000280000-0x000000000029E000-memory.dmp

Filesize
120KB

Download
memory/1788-71-0x00000000002B0000-0x00000000002E0000-memory.dmp

Filesize
192KB

Download
memory/1788-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1788-78-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/1788-79-0x00000000002B0000-0x00000000002E0000-memory.dmp

Filesize
192KB

Download
memory/1788-70-0x00000000002B0000-0x00000000002E0000-memory.dmp

Filesize
192KB

Download
memory/1788-81-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/1788-55-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/1788-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download