d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c

Analysis

max time kernel
170s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 13:07

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General

Target

d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe
Size

144KB
MD5

384520b45ea69d98f18437167013bc83
SHA1

2cd3ccd0612450dbebd1d1efd6f5f25423c23669
SHA256

d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c
SHA512

886d0a6040258c923ac601dfdb165bda15887b3d72a4cde26821595b306cebd17ef91fd7e5f18ee84cdcdc213da3f25c6d3de10a790c5689622319fb00ab3da2
SSDEEP

3072:tv/qpMhWXcN6Lal1H9vODc+KN8oAYTWnAeaZK:N0MILA1Hzb3T9ea4

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2196	Vuewer.exe
3196	Vuewer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vuewer = "C:\\Users\\Admin\\AppData\\Roaming\\Vuewer.exe"	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 2196 set thread context of 3196	2196	Vuewer.exe	82

Modifies Internet Explorer settings 1 TTPs 18 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376608549"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9BDEE05D-70F5-11ED-B696-4A8324823CC0} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5000	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe
5000	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
548	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3196	Vuewer.exe
Token: SeDebugPrivilege	4540	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
548	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe
2196	Vuewer.exe
548	IEXPLORE.EXE
548	IEXPLORE.EXE
4008	IEXPLORE.EXE
4008	IEXPLORE.EXE
4008	IEXPLORE.EXE
4008	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 2856 wrote to memory of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 2856 wrote to memory of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 2856 wrote to memory of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 2856 wrote to memory of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 2856 wrote to memory of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 2856 wrote to memory of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 2856 wrote to memory of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 2856 wrote to memory of 5000	2856	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	80
PID 5000 wrote to memory of 2196	5000	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	81
PID 5000 wrote to memory of 2196	5000	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	81
PID 5000 wrote to memory of 2196	5000	d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe	81
PID 2196 wrote to memory of 3196	2196	Vuewer.exe	82
PID 2196 wrote to memory of 3196	2196	Vuewer.exe	82
PID 2196 wrote to memory of 3196	2196	Vuewer.exe	82
PID 2196 wrote to memory of 3196	2196	Vuewer.exe	82
PID 2196 wrote to memory of 3196	2196	Vuewer.exe	82
PID 2196 wrote to memory of 3196	2196	Vuewer.exe	82
PID 2196 wrote to memory of 3196	2196	Vuewer.exe	82
PID 2196 wrote to memory of 3196	2196	Vuewer.exe	82
PID 2196 wrote to memory of 3196	2196	Vuewer.exe	82
PID 3196 wrote to memory of 4540	3196	Vuewer.exe	83
PID 3196 wrote to memory of 4540	3196	Vuewer.exe	83
PID 3196 wrote to memory of 4540	3196	Vuewer.exe	83
PID 3196 wrote to memory of 4540	3196	Vuewer.exe	83
PID 3196 wrote to memory of 4540	3196	Vuewer.exe	83
PID 4540 wrote to memory of 548	4540	iexplore.exe	84
PID 4540 wrote to memory of 548	4540	iexplore.exe	84
PID 4540 wrote to memory of 548	4540	iexplore.exe	84
PID 548 wrote to memory of 4008	548	IEXPLORE.EXE	85
PID 548 wrote to memory of 4008	548	IEXPLORE.EXE	85
PID 548 wrote to memory of 4008	548	IEXPLORE.EXE	85

C:\Users\Admin\AppData\Local\Temp\d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe
"C:\Users\Admin\AppData\Local\Temp\d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe
  C:\Users\Admin\AppData\Local\Temp\d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5000
- - C:\Users\Admin\AppData\Roaming\Vuewer.exe
    "C:\Users\Admin\AppData\Roaming\Vuewer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2196
  - - C:\Users\Admin\AppData\Roaming\Vuewer.exe
      C:\Users\Admin\AppData\Roaming\Vuewer.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3196
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4540
      - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        6⤵
        Modifies Internet Explorer settings
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:548
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:548 CREDAT:17410 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Vuewer.exe

Filesize
144KB

MD5
384520b45ea69d98f18437167013bc83

SHA1
2cd3ccd0612450dbebd1d1efd6f5f25423c23669

SHA256
d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c

SHA512
886d0a6040258c923ac601dfdb165bda15887b3d72a4cde26821595b306cebd17ef91fd7e5f18ee84cdcdc213da3f25c6d3de10a790c5689622319fb00ab3da2

Download Submit
C:\Users\Admin\AppData\Roaming\Vuewer.exe

Filesize
144KB

MD5
384520b45ea69d98f18437167013bc83

SHA1
2cd3ccd0612450dbebd1d1efd6f5f25423c23669

SHA256
d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c

SHA512
886d0a6040258c923ac601dfdb165bda15887b3d72a4cde26821595b306cebd17ef91fd7e5f18ee84cdcdc213da3f25c6d3de10a790c5689622319fb00ab3da2

Download Submit
C:\Users\Admin\AppData\Roaming\Vuewer.exe

Filesize
144KB

MD5
384520b45ea69d98f18437167013bc83

SHA1
2cd3ccd0612450dbebd1d1efd6f5f25423c23669

SHA256
d11d13f2fd7b92d42f40d1ab750d41483cd5b14071a908008276ba39bc40806c

SHA512
886d0a6040258c923ac601dfdb165bda15887b3d72a4cde26821595b306cebd17ef91fd7e5f18ee84cdcdc213da3f25c6d3de10a790c5689622319fb00ab3da2

Download Submit
memory/2196-139-0x0000000000000000-mapping.dmp

Download
memory/3196-145-0x0000000000000000-mapping.dmp

Download
memory/3196-150-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3196-151-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3196-152-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/5000-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/5000-137-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/5000-135-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/5000-142-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/5000-134-0x0000000000000000-mapping.dmp

Download