9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c

General

Target

9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe
Size

144KB
MD5

21a6758e4971d6ae338c5ef05c5fca42
SHA1

a037b220d8a1de3907916eb7ac6bfa7edf40dfed
SHA256

9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c
SHA512

be36593e0b1669d8e71a381cc0f59bf82e2be3251118815a825fc2aafa4e36b31bd9e4e6414971f46295bb177bb68f2ef0f64eab3fec446ac3db074917968ade
SSDEEP

3072:8R8CTNOgBw//psO5O1IX6gET/JTG4HZbjnCL6dgfNJZMqGmwmwmR:gNBw//psO5mIX6gETtGupn1gffZMqGma

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
1160	rundll32.exe
1160	rundll32.exe
1160	rundll32.exe
1160	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\Main	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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	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\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{849426F1-72AA-11ED-A03D-460E09B1FADA} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\Recovery\PendingRecovery	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\IntelliForms	iexplore.exe
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\Recovery\AdminActive	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\BrowserEmulation\LowMic	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\Zoom	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1832	iexplore.exe
1832	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1832	iexplore.exe
1832	iexplore.exe
684	IEXPLORE.EXE
684	IEXPLORE.EXE
1160	rundll32.exe
1832	iexplore.exe
1832	iexplore.exe
436	IEXPLORE.EXE
436	IEXPLORE.EXE
1160	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1160	1492	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	27
PID 1492 wrote to memory of 1160	1492	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	27
PID 1492 wrote to memory of 1160	1492	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	27
PID 1492 wrote to memory of 1160	1492	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	27
PID 1492 wrote to memory of 1160	1492	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	27
PID 1492 wrote to memory of 1160	1492	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	27
PID 1492 wrote to memory of 1160	1492	9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe	27
PID 1832 wrote to memory of 684	1832	iexplore.exe	30
PID 1832 wrote to memory of 684	1832	iexplore.exe	30
PID 1832 wrote to memory of 684	1832	iexplore.exe	30
PID 1832 wrote to memory of 684	1832	iexplore.exe	30
PID 1832 wrote to memory of 436	1832	iexplore.exe	31
PID 1832 wrote to memory of 436	1832	iexplore.exe	31
PID 1832 wrote to memory of 436	1832	iexplore.exe	31
PID 1832 wrote to memory of 436	1832	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe
"C:\Users\Admin\AppData\Local\Temp\9d4d85be86ebe581d58362423b8e49d9e68f464cb20b90a14595c5291abaef3c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\csest.dll",GetSystemParameter
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:1160

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1832 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:684
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1832 CREDAT:275461 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:436

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\csest.dll

Filesize
144KB

MD5
af0735d19fd061f5dd3dad228cf0ad48

SHA1
684fe904078ad5f09b2824900bbc3d2c22f22ef7

SHA256
f813f21e282c146e4286646286a58e873c9b82f926c1c4868769abe9fa37927c

SHA512
d9d6777a4a439b7254e33a03082dd4d894df0eef012f1a646bf0a04f24bac52737c57a07604ed48d93c71bbddd012c28a63e63b883610694331a4e3fb76048d8

Download Submit
\Users\Admin\AppData\Roaming\csest.dll

Filesize
144KB

MD5
af0735d19fd061f5dd3dad228cf0ad48

SHA1
684fe904078ad5f09b2824900bbc3d2c22f22ef7

SHA256
f813f21e282c146e4286646286a58e873c9b82f926c1c4868769abe9fa37927c

SHA512
d9d6777a4a439b7254e33a03082dd4d894df0eef012f1a646bf0a04f24bac52737c57a07604ed48d93c71bbddd012c28a63e63b883610694331a4e3fb76048d8

Download Submit
\Users\Admin\AppData\Roaming\csest.dll

Filesize
144KB

MD5
af0735d19fd061f5dd3dad228cf0ad48

SHA1
684fe904078ad5f09b2824900bbc3d2c22f22ef7

SHA256
f813f21e282c146e4286646286a58e873c9b82f926c1c4868769abe9fa37927c

SHA512
d9d6777a4a439b7254e33a03082dd4d894df0eef012f1a646bf0a04f24bac52737c57a07604ed48d93c71bbddd012c28a63e63b883610694331a4e3fb76048d8

Download Submit
\Users\Admin\AppData\Roaming\csest.dll

Filesize
144KB

MD5
af0735d19fd061f5dd3dad228cf0ad48

SHA1
684fe904078ad5f09b2824900bbc3d2c22f22ef7

SHA256
f813f21e282c146e4286646286a58e873c9b82f926c1c4868769abe9fa37927c

SHA512
d9d6777a4a439b7254e33a03082dd4d894df0eef012f1a646bf0a04f24bac52737c57a07604ed48d93c71bbddd012c28a63e63b883610694331a4e3fb76048d8

Download Submit
\Users\Admin\AppData\Roaming\csest.dll

Filesize
144KB

MD5
af0735d19fd061f5dd3dad228cf0ad48

SHA1
684fe904078ad5f09b2824900bbc3d2c22f22ef7

SHA256
f813f21e282c146e4286646286a58e873c9b82f926c1c4868769abe9fa37927c

SHA512
d9d6777a4a439b7254e33a03082dd4d894df0eef012f1a646bf0a04f24bac52737c57a07604ed48d93c71bbddd012c28a63e63b883610694331a4e3fb76048d8

Download Submit
memory/1160-67-0x0000000000680000-0x00000000006A7000-memory.dmp

Filesize
156KB

Download
memory/1160-71-0x0000000000650000-0x0000000000664000-memory.dmp

Filesize
80KB

Download
memory/1492-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1492-55-0x00000000002F0000-0x0000000000317000-memory.dmp

Filesize
156KB

Download
memory/1492-59-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download

Analysis

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