ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4

General

Target

ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe
Size

56KB
MD5

74a74854535bc0e540151baedf0cc810
SHA1

97e6088262fe08073efe6fbd4c3110549267359f
SHA256

ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4
SHA512

c62bae70ed3631404730ce91f3e22241213e5a98b8101190ec4f31faa2185ef32ace266987bd0d9dfcd9996101fd68d48a1d5c5d4e5d5aa58ef83843a3994dcc
SSDEEP

768:zj6mzjp5ozbIDXjV60X4yTP4iXqX5eVVoOhBfvCq5n:Bp5ogjV6KTPHA5eXomk

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1156	TalkSmile.exe

Loads dropped DLL 2 IoCs

pid	Process
1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe
1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TalkSmile.exe	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe
File opened for modification	C:\Windows\SysWOW64\TalkSmile.exe	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico	explorer.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 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 18 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 200000001a00eebbfe2300001000d09ad3fd8f23af46adb46c85480369c700000000	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
788	explorer.exe
788	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 1204	1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe	26
PID 1424 wrote to memory of 1204	1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe	26
PID 1424 wrote to memory of 1204	1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe	26
PID 1424 wrote to memory of 1204	1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe	26
PID 1424 wrote to memory of 1156	1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe	27
PID 1424 wrote to memory of 1156	1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe	27
PID 1424 wrote to memory of 1156	1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe	27
PID 1424 wrote to memory of 1156	1424	ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe	27

C:\Users\Admin\AppData\Local\Temp\ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe
"C:\Users\Admin\AppData\Local\Temp\ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\System32\explorer.exe" ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4
  2⤵
  PID:1204
- C:\Windows\SysWOW64\TalkSmile.exe
  C:\Windows\system32\TalkSmile.exe
  2⤵
  - Executes dropped EXE
  PID:1156

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\TalkSmile.exe

Filesize
56KB

MD5
74a74854535bc0e540151baedf0cc810

SHA1
97e6088262fe08073efe6fbd4c3110549267359f

SHA256
ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4

SHA512
c62bae70ed3631404730ce91f3e22241213e5a98b8101190ec4f31faa2185ef32ace266987bd0d9dfcd9996101fd68d48a1d5c5d4e5d5aa58ef83843a3994dcc

Download Submit
\Windows\SysWOW64\TalkSmile.exe

Filesize
56KB

MD5
74a74854535bc0e540151baedf0cc810

SHA1
97e6088262fe08073efe6fbd4c3110549267359f

SHA256
ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4

SHA512
c62bae70ed3631404730ce91f3e22241213e5a98b8101190ec4f31faa2185ef32ace266987bd0d9dfcd9996101fd68d48a1d5c5d4e5d5aa58ef83843a3994dcc

Download Submit
\Windows\SysWOW64\TalkSmile.exe

Filesize
56KB

MD5
74a74854535bc0e540151baedf0cc810

SHA1
97e6088262fe08073efe6fbd4c3110549267359f

SHA256
ea59a35fa0c519455f3ba648389c72b1f689429aa8411592b0b89c257d3241c4

SHA512
c62bae70ed3631404730ce91f3e22241213e5a98b8101190ec4f31faa2185ef32ace266987bd0d9dfcd9996101fd68d48a1d5c5d4e5d5aa58ef83843a3994dcc

Download Submit
memory/788-67-0x000007FEFBD11000-0x000007FEFBD13000-memory.dmp

Filesize
8KB

Download
memory/788-68-0x00000000039C0000-0x00000000039D0000-memory.dmp

Filesize
64KB

Download
memory/1156-65-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1156-70-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1204-66-0x00000000749A1000-0x00000000749A3000-memory.dmp

Filesize
8KB

Download
memory/1424-54-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/1424-55-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1424-64-0x0000000000260000-0x0000000000270000-memory.dmp

Filesize
64KB

Download
memory/1424-63-0x0000000000260000-0x0000000000270000-memory.dmp

Filesize
64KB

Download
memory/1424-69-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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