94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3

Analysis

max time kernel
110s
max time network
134s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 23:17

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General

Target

94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe
Size

144KB
MD5

4b0ad02140d767cdba788d0498071564
SHA1

743fb7f57a20851932cc96f874f5dc7ba32c0e64
SHA256

94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3
SHA512

b596681c3cd695a46d182c0680b2d73f15873afc922ac4625965d058d95a60bc1c15e23da452f32c398beabc936d40f19bdaad5e2f4cd5deb9fd5743b8679881
SSDEEP

3072:OYcrNcvYtEo5TovZ4lNex8gJFY5txJvVbJefS:AqBYToHItHvzoS

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1548	iexplore.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gczezk = "C:\\Users\\Admin\\AppData\\Roaming\\Gczezk.cmd"	iexplore.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 896 set thread context of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377038226"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{05D71990-74DE-11ED-A993-42FEA5F7B9B2} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe
2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe
Token: SeDebugPrivilege	2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe
Token: SeDebugPrivilege	1548	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1700	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1700	IEXPLORE.EXE
1700	IEXPLORE.EXE
2000	IEXPLORE.EXE
2000	IEXPLORE.EXE
2000	IEXPLORE.EXE
2000	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28
PID 896 wrote to memory of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28
PID 896 wrote to memory of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28
PID 896 wrote to memory of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28
PID 896 wrote to memory of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28
PID 896 wrote to memory of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28
PID 896 wrote to memory of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28
PID 896 wrote to memory of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28
PID 896 wrote to memory of 2016	896	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	28
PID 2016 wrote to memory of 1548	2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	29
PID 2016 wrote to memory of 1548	2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	29
PID 2016 wrote to memory of 1548	2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	29
PID 2016 wrote to memory of 1548	2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	29
PID 1548 wrote to memory of 1700	1548	iexplore.exe	30
PID 1548 wrote to memory of 1700	1548	iexplore.exe	30
PID 1548 wrote to memory of 1700	1548	iexplore.exe	30
PID 1548 wrote to memory of 1700	1548	iexplore.exe	30
PID 2016 wrote to memory of 1548	2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	29
PID 2016 wrote to memory of 1548	2016	94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe	29
PID 1700 wrote to memory of 2000	1700	IEXPLORE.EXE	32
PID 1700 wrote to memory of 2000	1700	IEXPLORE.EXE	32
PID 1700 wrote to memory of 2000	1700	IEXPLORE.EXE	32
PID 1700 wrote to memory of 2000	1700	IEXPLORE.EXE	32

C:\Users\Admin\AppData\Local\Temp\94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe
"C:\Users\Admin\AppData\Local\Temp\94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:896
- C:\Users\Admin\AppData\Local\Temp\94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe
  C:\Users\Admin\AppData\Local\Temp\94f68ba4c731a5d7bdcd26767e3fc33cdea45ef545ed805843a9b8b56f501bc3.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Deletes itself
    - Adds Run key to start application
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1548
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1700
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1700 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2000

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\AYKBFQFT.txt

Filesize
603B

MD5
3c0c6ddcabdf75be9e386d832adada00

SHA1
a37a6521a3ce16f13086afe3a3335e04a605b574

SHA256
7f2ca7922d38651fdd0debe2fa24bbaa65563ea5ac87dce6c0e7186a61c288e8

SHA512
87ae25deb2db7cd7da2d1aac6d5ef5b44d1f2bf700ebf795745a4f441c12877c707aded6add444c7d1e87bdc4654e732703d0305e92099163a520c193862f3c7

Download Submit
memory/896-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-85-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-93-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-59-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2016-60-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2016-61-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-91-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-65-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-67-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-73-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-71-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-69-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-75-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-77-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-79-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2016-83-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-54-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2016-87-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-58-0x0000000076411000-0x0000000076413000-memory.dmp

Filesize
8KB

Download
memory/2016-89-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-63-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-97-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-95-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-103-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-101-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-99-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-107-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-105-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-109-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-111-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-113-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-117-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-115-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-119-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-121-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download
memory/2016-126-0x0000000000290000-0x00000000002DE000-memory.dmp

Filesize
312KB

Download