4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b

Analysis

max time kernel
98s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 04:36

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General

Target

4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe
Size

164KB
MD5

16a4f72a115d2ba72770bbc53dda8d50
SHA1

e8a1167df93b6f5cc40cfa8f78fa14144b8735b1
SHA256

4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b
SHA512

2d2b8a4dceebf0a6576c6b979e30ba476e060e99ffd36a26b8966ec18cc287e099a46db6d39732be52a42432c38de49ca573062e03395abd0ffbd140addbd530
SSDEEP

3072:wJfrOsX6d5/hadTRl6ZghWyZokJZ1dTzcTWyQ9:kqKahadTPOspJZvT

Score

6^/10

persistence

Malware Config

Signatures

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	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Syzmze = "C:\\Users\\Admin\\AppData\\Roaming\\Syzmze.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4956 set thread context of 4420	4956	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	80

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2822056549"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	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\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D0F478BD-72E6-11ED-AECB-F6DE28FD18F9} = "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 (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\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\VersionManager\LastCheckForUpdateHighDateTime = "31000307"	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\LastUpdateLowDateTime = "2822056549"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2920026077"	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 = "31000307"	IEXPLORE.EXE
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\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376822106"	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 = "31000307"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe
4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe
4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe
Token: SeDebugPrivilege	4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe
Token: SeDebugPrivilege	2828	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4644	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4644	IEXPLORE.EXE
4644	IEXPLORE.EXE
4472	IEXPLORE.EXE
4472	IEXPLORE.EXE
4472	IEXPLORE.EXE
4472	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 4420	4956	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	80
PID 4956 wrote to memory of 4420	4956	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	80
PID 4956 wrote to memory of 4420	4956	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	80
PID 4956 wrote to memory of 4420	4956	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	80
PID 4956 wrote to memory of 4420	4956	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	80
PID 4956 wrote to memory of 4420	4956	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	80
PID 4956 wrote to memory of 4420	4956	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	80
PID 4956 wrote to memory of 4420	4956	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	80
PID 4420 wrote to memory of 2828	4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	81
PID 4420 wrote to memory of 2828	4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	81
PID 4420 wrote to memory of 2828	4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	81
PID 4420 wrote to memory of 2828	4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	81
PID 2828 wrote to memory of 4644	2828	iexplore.exe	82
PID 2828 wrote to memory of 4644	2828	iexplore.exe	82
PID 4420 wrote to memory of 2828	4420	4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe	81
PID 4644 wrote to memory of 4472	4644	IEXPLORE.EXE	83
PID 4644 wrote to memory of 4472	4644	IEXPLORE.EXE	83
PID 4644 wrote to memory of 4472	4644	IEXPLORE.EXE	83

C:\Users\Admin\AppData\Local\Temp\4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe
"C:\Users\Admin\AppData\Local\Temp\4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\Temp\4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe
  C:\Users\Admin\AppData\Local\Temp\4da9f92d28de874298753061a63b7843e4fa03bc2fec3bddc4124dbcbb18da6b.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4420
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2828
  - - 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:4644
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4644 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4472

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
4132c54f59c529167c112e7f519120fa

SHA1
94cc9036fa031258aa744c7ee88e3c0b6c7a73da

SHA256
e9f456cf8bb8cc4a683d1c2f792feeb4c83fff24a86e6bcb260eff8fbff126fb

SHA512
e8efb8e81a90ffbe177301fbba4470ded104fc6d12cfa0123938b981d612eb2c4a66bb47b585cd43ed6ed4940e0ad5a1e3a5d9d18f8cb643e741aae694c4baee

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

Filesize
434B

MD5
eeb17b3cf6e54a06d7fc727ae09194d5

SHA1
c9ac9ee38ce3029750cdcead648a5d7ae8dbcdff

SHA256
975cee6aaabb844b5d74b80c665ce8154ed284f8366867deb4ebfd721c7ca08a

SHA512
baf6116308c8b20c0dcf25ce46436994e5fccf3ef22e138b38ef3b7289432fde5177e3d938c90debe7f5060d3a814326c708be3d1fa4cd9417a72af45e6da576

Download Submit
memory/4420-133-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4420-135-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4420-136-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4420-137-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4420-138-0x0000000000700000-0x000000000074E000-memory.dmp

Filesize
312KB

Download
memory/4420-139-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4420-140-0x0000000000700000-0x000000000074E000-memory.dmp

Filesize
312KB

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