8b154e690b2b3f0e46c13e569090cd3ad4c8fa43bb6a67cd949ef5d94344ed01

Analysis

max time kernel
121s
max time network
146s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 14:05

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General

Target

IHC.exe
Size

11.5MB
MD5

563cbeceb23075f3889e51f995a59f12
SHA1

ae7aa3f654936cee7ebb51ec427fdb1029581d54
SHA256

8b154e690b2b3f0e46c13e569090cd3ad4c8fa43bb6a67cd949ef5d94344ed01
SHA512

bda309ddd05a155904c4d9bbd738dde90da71332bad79b3e708bf8475041cfb541480dedbaab2abc01c219227b0e5e68f4a648f3467975602b189b1a23b14f06
SSDEEP

98304:ITY7kZkyoUGF1UEnGS4x30h+SOgM9CZkSfp9p4IssgLllc:Ujk5nc3k+1u+ueIHgL3

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 31 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	IHC.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	IHC.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	IHC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\IconSize = "16"	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_Classes\Local Settings	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	IHC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1"	IHC.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	IHC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0"	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}	IHC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1092616257"	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	IHC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Mode = "4"	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	IHC.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	IHC.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	IHC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders	IHC.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	IHC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}	IHC.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Sort = 000000000000000000000000000000000200000030f125b7ef471a10a5f102608c9eebac0a0000000100000030f125b7ef471a10a5f102608c9eebac0e000000ffffffff	IHC.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	IHC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}"	IHC.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg	IHC.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\LogicalViewMode = "1"	IHC.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	IHC.exe

Modifies system certificate store 2 TTPs 2 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	IHC.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	IHC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1796	IHC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2724	1796	IHC.exe	29
PID 1796 wrote to memory of 2724	1796	IHC.exe	29
PID 1796 wrote to memory of 2724	1796	IHC.exe	29
PID 1796 wrote to memory of 2684	1796	IHC.exe	30
PID 1796 wrote to memory of 2684	1796	IHC.exe	30
PID 1796 wrote to memory of 2684	1796	IHC.exe	30

C:\Users\Admin\AppData\Local\Temp\IHC.exe
"C:\Users\Admin\AppData\Local\Temp\IHC.exe"
1⤵
- Modifies registry class
- Modifies system certificate store
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\system32\cmd.exe
  cmd /c cls
  2⤵
  PID:2724
- C:\Windows\system32\cmd.exe
  cmd /c cls
  2⤵
  PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1796-1-0x000000002B3C0000-0x000000002B3C1000-memory.dmp

Filesize
4KB

Download
memory/1796-2-0x000000002B3C0000-0x000000002B3C1000-memory.dmp

Filesize
4KB

Download