4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe

Analysis

max time kernel
136s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 13:15

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General

Target

4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe
Size

179KB
MD5

045246283d63b1757196f302232c8900
SHA1

b20c27fdfa6d82ca5e5b694bcf98ba15d69c1ead
SHA256

4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe
SHA512

37fe425afc065334b80636ae533d2e6073b1b31509e092312d4ef59ce184f89969c1279930391fd28fd6d9f1e0c7639834800aee6fb9da94ee457a14256b659f
SSDEEP

3072:QWceId2Z+oWP9XEdIJ4/+p6kzATcngTdIY8BkP38mOo6EwBjj:QWcFdtosXEd+4XkOdIvqP38mOoz

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4808	Wjzbzx.exe
3116	Wjzbzx.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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wjzbzx = "C:\\Users\\Admin\\AppData\\Roaming\\Wjzbzx.exe"	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1400 set thread context of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 4808 set thread context of 3116	4808	Wjzbzx.exe	85

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995248"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30995248"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C1E61A9C-5F23-11ED-AECB-F22D08015D11} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374649256"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2630865003"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2535709675"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995248"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2535709675"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4440	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe
4440	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4580	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3116	Wjzbzx.exe
Token: SeDebugPrivilege	916	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4580	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4580	IEXPLORE.EXE
4580	IEXPLORE.EXE
448	IEXPLORE.EXE
448	IEXPLORE.EXE
448	IEXPLORE.EXE
448	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 1400 wrote to memory of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 1400 wrote to memory of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 1400 wrote to memory of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 1400 wrote to memory of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 1400 wrote to memory of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 1400 wrote to memory of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 1400 wrote to memory of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 1400 wrote to memory of 4440	1400	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	81
PID 4440 wrote to memory of 4808	4440	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	84
PID 4440 wrote to memory of 4808	4440	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	84
PID 4440 wrote to memory of 4808	4440	4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe	84
PID 4808 wrote to memory of 3116	4808	Wjzbzx.exe	85
PID 4808 wrote to memory of 3116	4808	Wjzbzx.exe	85
PID 4808 wrote to memory of 3116	4808	Wjzbzx.exe	85
PID 4808 wrote to memory of 3116	4808	Wjzbzx.exe	85
PID 4808 wrote to memory of 3116	4808	Wjzbzx.exe	85
PID 4808 wrote to memory of 3116	4808	Wjzbzx.exe	85
PID 4808 wrote to memory of 3116	4808	Wjzbzx.exe	85
PID 4808 wrote to memory of 3116	4808	Wjzbzx.exe	85
PID 4808 wrote to memory of 3116	4808	Wjzbzx.exe	85
PID 3116 wrote to memory of 916	3116	Wjzbzx.exe	87
PID 3116 wrote to memory of 916	3116	Wjzbzx.exe	87
PID 3116 wrote to memory of 916	3116	Wjzbzx.exe	87
PID 916 wrote to memory of 4580	916	iexplore.exe	88
PID 916 wrote to memory of 4580	916	iexplore.exe	88
PID 3116 wrote to memory of 916	3116	Wjzbzx.exe	87
PID 3116 wrote to memory of 916	3116	Wjzbzx.exe	87
PID 4580 wrote to memory of 448	4580	IEXPLORE.EXE	90
PID 4580 wrote to memory of 448	4580	IEXPLORE.EXE	90
PID 4580 wrote to memory of 448	4580	IEXPLORE.EXE	90

C:\Users\Admin\AppData\Local\Temp\4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe
"C:\Users\Admin\AppData\Local\Temp\4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Users\Admin\AppData\Local\Temp\4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe
  "C:\Users\Admin\AppData\Local\Temp\4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Users\Admin\AppData\Roaming\Wjzbzx.exe
    "C:\Users\Admin\AppData\Roaming\Wjzbzx.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4808
  - - C:\Users\Admin\AppData\Roaming\Wjzbzx.exe
      "C:\Users\Admin\AppData\Roaming\Wjzbzx.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3116
    - - 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:916
      - 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:4580
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4580 CREDAT:17410 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:448

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
5f49b65bdc1713b58ed97d0e9625a968

SHA1
84b74e55478c9abb163aa6629e3fd3b91bed4806

SHA256
a681ab9abc281fd12a7bd06f56e36a21e8ee28b5294815c5e07b781e324a32f9

SHA512
4b502288bef324db8ad33e63c7b6f242ef7954a6fbec3ed012530044c82fee3ad1158febe088bc0deea67ac35646a0a1bd6d961c0f67b11fee584e4f1abd753a

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

Filesize
434B

MD5
74f0c8c4643c2e7196bc3f5b7ac3e77c

SHA1
35f727e574c57cd8c7efcd2eb43f5a29382e226e

SHA256
26c87d8eee64b68f1364f0af32600294a5995c6df0b107371f2f14c1599b63bd

SHA512
33193b8a64118ec63d73553d21dcfab3275623a46744f6b5337dea14626b7df7ba3baf79444499dfd3ef505f68c8b390d9e1260a000673fb5f26cf03e71ebc48

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

Filesize
179KB

MD5
045246283d63b1757196f302232c8900

SHA1
b20c27fdfa6d82ca5e5b694bcf98ba15d69c1ead

SHA256
4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe

SHA512
37fe425afc065334b80636ae533d2e6073b1b31509e092312d4ef59ce184f89969c1279930391fd28fd6d9f1e0c7639834800aee6fb9da94ee457a14256b659f

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

Filesize
179KB

MD5
045246283d63b1757196f302232c8900

SHA1
b20c27fdfa6d82ca5e5b694bcf98ba15d69c1ead

SHA256
4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe

SHA512
37fe425afc065334b80636ae533d2e6073b1b31509e092312d4ef59ce184f89969c1279930391fd28fd6d9f1e0c7639834800aee6fb9da94ee457a14256b659f

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

Filesize
179KB

MD5
045246283d63b1757196f302232c8900

SHA1
b20c27fdfa6d82ca5e5b694bcf98ba15d69c1ead

SHA256
4b760312acae848719fc96106c9c6437de4df71c7d797d4c7c7821818b50b0fe

SHA512
37fe425afc065334b80636ae533d2e6073b1b31509e092312d4ef59ce184f89969c1279930391fd28fd6d9f1e0c7639834800aee6fb9da94ee457a14256b659f

Download Submit
memory/1400-136-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1400-132-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3116-148-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3116-149-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4440-142-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4440-138-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4440-137-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4440-134-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download