b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d

General

Target

b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe
Size

146KB
MD5

ac91834a560f32091239091be536b1f5
SHA1

93be5f9e4765a52ae029460da608f474c4b2580e
SHA256

b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d
SHA512

f60a2c41025a9ea4d4dc89576c85d29bfa1c03978e4659d7223bad6018c0a7d292284b41292ee5bca52780113790ba06648faa04c345b37f9bf43ce09e82bbbb
SSDEEP

3072:6LeoO7ta1EzHOWdJBE673HCcO0/qjsSKutSwxk43z6NN:6LeoO7ta1ESWdv/3HCcOdjXSwT32N

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
1420	rundll32.exe
1420	rundll32.exe
1420	rundll32.exe
1420	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 22 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	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\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{524F6591-737E-11ED-9F7B-6E705F4A26E5} = "0"	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 (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	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\IntelliForms	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\Toolbar	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\AdminActive	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\BrowserEmulation\LowMic	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\Toolbar\WebBrowser	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\PendingRecovery\AdminActive = "0"	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\LowRegistry	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1276	iexplore.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1276	iexplore.exe
1276	iexplore.exe
1764	IEXPLORE.EXE
1764	IEXPLORE.EXE
1420	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 1420	1636	b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe	28
PID 1636 wrote to memory of 1420	1636	b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe	28
PID 1636 wrote to memory of 1420	1636	b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe	28
PID 1636 wrote to memory of 1420	1636	b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe	28
PID 1636 wrote to memory of 1420	1636	b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe	28
PID 1636 wrote to memory of 1420	1636	b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe	28
PID 1636 wrote to memory of 1420	1636	b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe	28
PID 1276 wrote to memory of 1764	1276	iexplore.exe	31
PID 1276 wrote to memory of 1764	1276	iexplore.exe	31
PID 1276 wrote to memory of 1764	1276	iexplore.exe	31
PID 1276 wrote to memory of 1764	1276	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe
"C:\Users\Admin\AppData\Local\Temp\b54559a9ec4458ac16b0a4714201a8b6c6968b68c62a38d28fba1c2b908f981d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\ocalet.dll",Restore
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:1420

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:1276
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1276 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1764

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\ocalet.dll

Filesize
146KB

MD5
79b3a2a7683a5d0f36557d82201115f1

SHA1
a4a5e1f3935e2195e5448b302ae842ad0619f807

SHA256
a8761baccca6235d01a695851fbe647202c45e9a521e1e3435fe2b0d7f98f910

SHA512
b4ac464288296a2e56db4d4e62d052c9f17593b6c8401c8890a9beaea20e14610887c26e27f924539c146bb2a1678b3fd52be3df1e7b49182ea10c2236c3f151

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

Filesize
146KB

MD5
79b3a2a7683a5d0f36557d82201115f1

SHA1
a4a5e1f3935e2195e5448b302ae842ad0619f807

SHA256
a8761baccca6235d01a695851fbe647202c45e9a521e1e3435fe2b0d7f98f910

SHA512
b4ac464288296a2e56db4d4e62d052c9f17593b6c8401c8890a9beaea20e14610887c26e27f924539c146bb2a1678b3fd52be3df1e7b49182ea10c2236c3f151

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

Filesize
146KB

MD5
79b3a2a7683a5d0f36557d82201115f1

SHA1
a4a5e1f3935e2195e5448b302ae842ad0619f807

SHA256
a8761baccca6235d01a695851fbe647202c45e9a521e1e3435fe2b0d7f98f910

SHA512
b4ac464288296a2e56db4d4e62d052c9f17593b6c8401c8890a9beaea20e14610887c26e27f924539c146bb2a1678b3fd52be3df1e7b49182ea10c2236c3f151

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

Filesize
146KB

MD5
79b3a2a7683a5d0f36557d82201115f1

SHA1
a4a5e1f3935e2195e5448b302ae842ad0619f807

SHA256
a8761baccca6235d01a695851fbe647202c45e9a521e1e3435fe2b0d7f98f910

SHA512
b4ac464288296a2e56db4d4e62d052c9f17593b6c8401c8890a9beaea20e14610887c26e27f924539c146bb2a1678b3fd52be3df1e7b49182ea10c2236c3f151

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

Filesize
146KB

MD5
79b3a2a7683a5d0f36557d82201115f1

SHA1
a4a5e1f3935e2195e5448b302ae842ad0619f807

SHA256
a8761baccca6235d01a695851fbe647202c45e9a521e1e3435fe2b0d7f98f910

SHA512
b4ac464288296a2e56db4d4e62d052c9f17593b6c8401c8890a9beaea20e14610887c26e27f924539c146bb2a1678b3fd52be3df1e7b49182ea10c2236c3f151

Download Submit
memory/1420-68-0x00000000001E0000-0x0000000000207000-memory.dmp

Filesize
156KB

Download
memory/1420-72-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/1420-73-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/1636-60-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1636-59-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/1636-55-0x0000000000300000-0x0000000000327000-memory.dmp

Filesize
156KB

Download
memory/1636-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

Download

Analysis

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