f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a

Analysis

max time kernel
138s
max time network
148s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
12-10-2022 16:39

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General

Target

f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe
Size

100KB
MD5

63f0f91e3ccf5dd00a455d3038a299f4
SHA1

ed42ff3444aaac12efb043bc1d3c8e2615e970c4
SHA256

f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a
SHA512

30a98fba3f7a7df676d785bb283f7ad04f51ce56e52648ebe070ea165abc576ecb11dbb39bc947eaeb789118882f6471f0faea3c3290a429cc4e25928fd12759
SSDEEP

1536:ceuaazjBEY7AmycmyTOOiq7NPsS5ARM32j+yEPDKgf:va/CY7GQT9iqx0XJq7/

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1520	netmgr.exe

Drops startup file 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\netmgr.lnk	netmgr.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\	netmgr.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\netmgr.lnk	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe

Loads dropped DLL 6 IoCs

pid	Process
1672	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe
1672	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe
1672	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe
1520	netmgr.exe
1520	netmgr.exe
1520	netmgr.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 32 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\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372364095"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{366213B1-4A5B-11ED-8DFC-667719A561AF} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff5600000000000000dc04000065020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1520	netmgr.exe
1520	netmgr.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1672	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe
516	IEXPLORE.EXE
516	IEXPLORE.EXE
1520	netmgr.exe
516	IEXPLORE.EXE
1520	netmgr.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1672	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe
1520	netmgr.exe
1520	netmgr.exe

Suspicious use of SetWindowsHookEx 18 IoCs

pid	Process
516	IEXPLORE.EXE
516	IEXPLORE.EXE
968	IEXPLORE.EXE
968	IEXPLORE.EXE
968	IEXPLORE.EXE
968	IEXPLORE.EXE
516	IEXPLORE.EXE
516	IEXPLORE.EXE
828	IEXPLORE.EXE
828	IEXPLORE.EXE
828	IEXPLORE.EXE
828	IEXPLORE.EXE
516	IEXPLORE.EXE
516	IEXPLORE.EXE
1200	IEXPLORE.EXE
1200	IEXPLORE.EXE
1200	IEXPLORE.EXE
1200	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1520	1672	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe	27
PID 1672 wrote to memory of 1520	1672	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe	27
PID 1672 wrote to memory of 1520	1672	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe	27
PID 1672 wrote to memory of 1520	1672	f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe	27
PID 1520 wrote to memory of 1932	1520	netmgr.exe	28
PID 1520 wrote to memory of 1932	1520	netmgr.exe	28
PID 1520 wrote to memory of 1932	1520	netmgr.exe	28
PID 1520 wrote to memory of 1932	1520	netmgr.exe	28
PID 1932 wrote to memory of 516	1932	iexplore.exe	29
PID 1932 wrote to memory of 516	1932	iexplore.exe	29
PID 1932 wrote to memory of 516	1932	iexplore.exe	29
PID 1932 wrote to memory of 516	1932	iexplore.exe	29
PID 516 wrote to memory of 968	516	IEXPLORE.EXE	31
PID 516 wrote to memory of 968	516	IEXPLORE.EXE	31
PID 516 wrote to memory of 968	516	IEXPLORE.EXE	31
PID 516 wrote to memory of 968	516	IEXPLORE.EXE	31
PID 1520 wrote to memory of 2016	1520	netmgr.exe	32
PID 1520 wrote to memory of 2016	1520	netmgr.exe	32
PID 1520 wrote to memory of 2016	1520	netmgr.exe	32
PID 1520 wrote to memory of 2016	1520	netmgr.exe	32
PID 2016 wrote to memory of 1092	2016	iexplore.exe	33
PID 2016 wrote to memory of 1092	2016	iexplore.exe	33
PID 2016 wrote to memory of 1092	2016	iexplore.exe	33
PID 2016 wrote to memory of 1092	2016	iexplore.exe	33
PID 516 wrote to memory of 828	516	IEXPLORE.EXE	34
PID 516 wrote to memory of 828	516	IEXPLORE.EXE	34
PID 516 wrote to memory of 828	516	IEXPLORE.EXE	34
PID 516 wrote to memory of 828	516	IEXPLORE.EXE	34
PID 1520 wrote to memory of 1584	1520	netmgr.exe	36
PID 1520 wrote to memory of 1584	1520	netmgr.exe	36
PID 1520 wrote to memory of 1584	1520	netmgr.exe	36
PID 1520 wrote to memory of 1584	1520	netmgr.exe	36
PID 1584 wrote to memory of 1672	1584	iexplore.exe	37
PID 1584 wrote to memory of 1672	1584	iexplore.exe	37
PID 1584 wrote to memory of 1672	1584	iexplore.exe	37
PID 1584 wrote to memory of 1672	1584	iexplore.exe	37
PID 516 wrote to memory of 1200	516	IEXPLORE.EXE	38
PID 516 wrote to memory of 1200	516	IEXPLORE.EXE	38
PID 516 wrote to memory of 1200	516	IEXPLORE.EXE	38
PID 516 wrote to memory of 1200	516	IEXPLORE.EXE	38

C:\Users\Admin\AppData\Local\Temp\f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe
"C:\Users\Admin\AppData\Local\Temp\f5caa7bc9098f04fcc8c14cb65943b8c2b711901f4732f6496617f13b8d2ef7a.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Roaming\Adobe\netmgr.exe
  "C:\Users\Admin\AppData\Roaming\Adobe\netmgr.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1520
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    -nohome
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1932
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:516
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:516 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:968
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:516 CREDAT:209934 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:828
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:516 CREDAT:603148 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1200
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    -nohome12.ini
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2016
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      PID:1092
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    -nohome12.ini
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1584
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      PID:1672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\netmgr.dll

Filesize
51KB

MD5
329ee179b9ac8a66a60bb410dbd4f3ce

SHA1
8ff0a63cc33552bb611fae40ebfcd22477328385

SHA256
0863042ebac9542ff100d98e22368ea415d0396ca8e5880731bb7cca37515508

SHA512
def53b7e953f4eb3736d70fa0c490312f8eaae249df9e160af591e35735f497acc460a3c65e5080595941b44b2b20c68322b2bf8f5fe4d6d4645c7cbb95cc108

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\netmgr.exe

Filesize
20KB

MD5
aa6f8eff83aea3ff7b8f016e67f74dac

SHA1
2c9e5b5b342603a3b967bd4fcab7f1cd11441886

SHA256
a9809c4464e571112467e5989d10b59b0af049e816dc3cb16f5b7128d5a3cda2

SHA512
752a1e901f60bbe36f40d952305db537459e3ff565b79551cf85f4c60d50956d55c757a224676f1a2ec3fd6dde18d480ff796fdb3b48ab0efb3a8177433564b1

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\netmgr.exe

Filesize
20KB

MD5
aa6f8eff83aea3ff7b8f016e67f74dac

SHA1
2c9e5b5b342603a3b967bd4fcab7f1cd11441886

SHA256
a9809c4464e571112467e5989d10b59b0af049e816dc3cb16f5b7128d5a3cda2

SHA512
752a1e901f60bbe36f40d952305db537459e3ff565b79551cf85f4c60d50956d55c757a224676f1a2ec3fd6dde18d480ff796fdb3b48ab0efb3a8177433564b1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\CILSYEEF.txt

Filesize
603B

MD5
180ccd5e1a0aa29db7946a3dcbbafa9c

SHA1
cdefd8d4b05923e49fffcd85c2c50d7d78d5056f

SHA256
911509c68e43a0b52ab862d5998eeaa2aa217f5efc89674619be36f191014159

SHA512
a98c804b3ab6e0b3664366245ba1fc1f8eac99bb99c50bc4da89159223abb5c72358126ad235138836c3f3ef2fdaba91ff26a2d95c8d30ba6ff8858f50303805

Download Submit
\Users\Admin\AppData\Roaming\Adobe\netmgr.dll

Filesize
51KB

MD5
329ee179b9ac8a66a60bb410dbd4f3ce

SHA1
8ff0a63cc33552bb611fae40ebfcd22477328385

SHA256
0863042ebac9542ff100d98e22368ea415d0396ca8e5880731bb7cca37515508

SHA512
def53b7e953f4eb3736d70fa0c490312f8eaae249df9e160af591e35735f497acc460a3c65e5080595941b44b2b20c68322b2bf8f5fe4d6d4645c7cbb95cc108

Download Submit
\Users\Admin\AppData\Roaming\Adobe\netmgr.exe

Filesize
20KB

MD5
aa6f8eff83aea3ff7b8f016e67f74dac

SHA1
2c9e5b5b342603a3b967bd4fcab7f1cd11441886

SHA256
a9809c4464e571112467e5989d10b59b0af049e816dc3cb16f5b7128d5a3cda2

SHA512
752a1e901f60bbe36f40d952305db537459e3ff565b79551cf85f4c60d50956d55c757a224676f1a2ec3fd6dde18d480ff796fdb3b48ab0efb3a8177433564b1

Download Submit
\Users\Admin\AppData\Roaming\Adobe\netmgr.exe

Filesize
20KB

MD5
aa6f8eff83aea3ff7b8f016e67f74dac

SHA1
2c9e5b5b342603a3b967bd4fcab7f1cd11441886

SHA256
a9809c4464e571112467e5989d10b59b0af049e816dc3cb16f5b7128d5a3cda2

SHA512
752a1e901f60bbe36f40d952305db537459e3ff565b79551cf85f4c60d50956d55c757a224676f1a2ec3fd6dde18d480ff796fdb3b48ab0efb3a8177433564b1

Download Submit
\Users\Admin\AppData\Roaming\Adobe\netmgr.exe

Filesize
20KB

MD5
aa6f8eff83aea3ff7b8f016e67f74dac

SHA1
2c9e5b5b342603a3b967bd4fcab7f1cd11441886

SHA256
a9809c4464e571112467e5989d10b59b0af049e816dc3cb16f5b7128d5a3cda2

SHA512
752a1e901f60bbe36f40d952305db537459e3ff565b79551cf85f4c60d50956d55c757a224676f1a2ec3fd6dde18d480ff796fdb3b48ab0efb3a8177433564b1

Download Submit
\Users\Admin\AppData\Roaming\Adobe\netmgr.exe

Filesize
20KB

MD5
aa6f8eff83aea3ff7b8f016e67f74dac

SHA1
2c9e5b5b342603a3b967bd4fcab7f1cd11441886

SHA256
a9809c4464e571112467e5989d10b59b0af049e816dc3cb16f5b7128d5a3cda2

SHA512
752a1e901f60bbe36f40d952305db537459e3ff565b79551cf85f4c60d50956d55c757a224676f1a2ec3fd6dde18d480ff796fdb3b48ab0efb3a8177433564b1

Download Submit
\Users\Admin\AppData\Roaming\Adobe\netmgr.exe

Filesize
20KB

MD5
aa6f8eff83aea3ff7b8f016e67f74dac

SHA1
2c9e5b5b342603a3b967bd4fcab7f1cd11441886

SHA256
a9809c4464e571112467e5989d10b59b0af049e816dc3cb16f5b7128d5a3cda2

SHA512
752a1e901f60bbe36f40d952305db537459e3ff565b79551cf85f4c60d50956d55c757a224676f1a2ec3fd6dde18d480ff796fdb3b48ab0efb3a8177433564b1

Download Submit
memory/1672-54-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download