3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4

Analysis

max time kernel
136s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
19/10/2022, 23:07

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General

Target

3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe
Size

118KB
MD5

908eb0b6be882690912e0da109beafe8
SHA1

5b454581d91b592beb2f83c39f5b06115f6b78e4
SHA256

3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4
SHA512

a30885f16bfee7122e3e3c4f049c6613f4323bf56a02505beb82f12a86031578588606c369052b0fb276d65e258019d65b44a18a0c9a83a396ab7062852ca39b
SSDEEP

1536:5xyv6NVHkMja6NdKiI2dgDqlqIHUsQpe1kIB59MIVNryUKdrw:5YCNVHd/fuugYRQ8BfMzprw

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D7E5B713-502E-11ED-A0EE-E2272FE8D9C1} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2892282838"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991419"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2892282838"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373004739"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30991419"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2899001146"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991419"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4540	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe
4540	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe
4540	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4292	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4540	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe
Token: SeDebugPrivilege	1756	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4292	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4292	IEXPLORE.EXE
4292	IEXPLORE.EXE
1756	IEXPLORE.EXE
1756	IEXPLORE.EXE
1756	IEXPLORE.EXE
1756	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83
PID 2708 wrote to memory of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83
PID 2708 wrote to memory of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83
PID 2708 wrote to memory of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83
PID 2708 wrote to memory of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83
PID 2708 wrote to memory of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83
PID 2708 wrote to memory of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83
PID 2708 wrote to memory of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83
PID 2708 wrote to memory of 4540	2708	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	83
PID 4540 wrote to memory of 4380	4540	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	84
PID 4540 wrote to memory of 4380	4540	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	84
PID 4540 wrote to memory of 4380	4540	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	84
PID 4380 wrote to memory of 4292	4380	iexplore.exe	85
PID 4380 wrote to memory of 4292	4380	iexplore.exe	85
PID 4292 wrote to memory of 1756	4292	IEXPLORE.EXE	86
PID 4292 wrote to memory of 1756	4292	IEXPLORE.EXE	86
PID 4292 wrote to memory of 1756	4292	IEXPLORE.EXE	86
PID 4540 wrote to memory of 1756	4540	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	86
PID 4540 wrote to memory of 1756	4540	3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe	86

C:\Users\Admin\AppData\Local\Temp\3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe
"C:\Users\Admin\AppData\Local\Temp\3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe
  C:\Users\Admin\AppData\Local\Temp\3bc7e923a4a6f76891f41a82951bd9b5b578a05936e103325cfd040b87a4e2f4.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4540
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4380
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4292
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4292 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
d3ff0edeee7d1ea5754d8a290ae01189

SHA1
253ee24a4776d30bac0aedd7ea213adea6acb6f9

SHA256
e2e542a3681c428c021d38e608dffa43da666f6f3c53f623c21dc184639b222b

SHA512
ab14449059ae31856026e8d8cb0ec0b4158da0fd19f2a73940a159574a9084ce6a09ac05fb80ef3ab11cd9b1395dce021872215baced48f9e8a0bf7311000db7

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
54389504fdee3e188286342be582d180

SHA1
cc81c5df22cfd469fb4c708ce6815d48cc31f72a

SHA256
9739358bb007889af2199fcb835d94dd36e6abb39792478a2452577c40edc2fa

SHA512
6dc9ff4de32be55e7dc3bee636406e4aaa7818a6db40c9689f0c0d4432d54bd1e8886b23f370b5599bcb06c8002ce0ebfe66185d3f6e5856e1d647568bb1bac9

Download Submit
memory/2708-132-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2708-136-0x0000000002030000-0x000000000203F000-memory.dmp

Filesize
60KB

Download
memory/2708-139-0x0000000002030000-0x000000000203F000-memory.dmp

Filesize
60KB

Download
memory/4540-134-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4540-137-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4540-138-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4540-140-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4540-141-0x00000000026F0000-0x000000000273E000-memory.dmp

Filesize
312KB

Download