06a951be886b3b276e79d7657afc1d6adf3ccf9edc64704a31c74dad0a63f9f7

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 21:11

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General

Target

1c943a71adaecce1bf7b424e11563c87.exe
Size

920KB
MD5

1c943a71adaecce1bf7b424e11563c87
SHA1

b41c59594653625092b6b1e5edb64ba74f35dcb9
SHA256

06a951be886b3b276e79d7657afc1d6adf3ccf9edc64704a31c74dad0a63f9f7
SHA512

06b4dde1da068b339754d8aa7528409422facd59393a6b4f9ce71a6bbb11a589d160cb4c2ce89dacc369cedbf94e59261b6b32a2036b7532e3d74aef16abf5b6
SSDEEP

24576:YeHXdyZNrNF/4lgGhpwJxmntY1VKc9IsTELQ:3HXc3BqXp6fScKsIL

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2676	f.exe

Loads dropped DLL 10 IoCs

pid	Process
2172	1c943a71adaecce1bf7b424e11563c87.exe
2172	1c943a71adaecce1bf7b424e11563c87.exe
2172	1c943a71adaecce1bf7b424e11563c87.exe
268	WerFault.exe
268	WerFault.exe
268	WerFault.exe
268	WerFault.exe
268	WerFault.exe
268	WerFault.exe
268	WerFault.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
268	2676	WerFault.exe	28

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}\LocalServer32	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}\1.0	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}\TypeLib\ = "{03771AEF-400D-4A13-B712-25878EC4A3F5}"	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}\1.0\FLAGS	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\ProxyStubClsid32	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\TypeLib\ = "{03771AEF-400D-4A13-B712-25878EC4A3F5}"	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}\LocalServer32\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f.exe\""	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\TypeLib	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}\1.0\0	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}\ = "CBrowserExternal Class"	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}\TypeLib	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\TypeLib\Version = "1.0"	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}\Programmable	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}\Version\ = "1.0"	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}\1.0\0\win32	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\TypeLib\Version = "1.0"	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\ = "IBrowserExternals"	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\ProxyStubClsid32	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f.exe"	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D4506CE-F855-4657-AA38-DB6B1F733982}\Version	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}\1.0\ = "SmartInstallerLib"	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f.exe"	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\ = "IBrowserExternals"	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\TypeLib	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3408AC0D-510E-4808-8F7B-6B70B1F88534}\TypeLib\ = "{03771AEF-400D-4A13-B712-25878EC4A3F5}"	f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}\1.0\FLAGS\ = "0"	f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{03771AEF-400D-4A13-B712-25878EC4A3F5}\1.0\HELPDIR	f.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2756	wmic.exe
Token: SeSecurityPrivilege	2756	wmic.exe
Token: SeTakeOwnershipPrivilege	2756	wmic.exe
Token: SeLoadDriverPrivilege	2756	wmic.exe
Token: SeSystemProfilePrivilege	2756	wmic.exe
Token: SeSystemtimePrivilege	2756	wmic.exe
Token: SeProfSingleProcessPrivilege	2756	wmic.exe
Token: SeIncBasePriorityPrivilege	2756	wmic.exe
Token: SeCreatePagefilePrivilege	2756	wmic.exe
Token: SeBackupPrivilege	2756	wmic.exe
Token: SeRestorePrivilege	2756	wmic.exe
Token: SeShutdownPrivilege	2756	wmic.exe
Token: SeDebugPrivilege	2756	wmic.exe
Token: SeSystemEnvironmentPrivilege	2756	wmic.exe
Token: SeRemoteShutdownPrivilege	2756	wmic.exe
Token: SeUndockPrivilege	2756	wmic.exe
Token: SeManageVolumePrivilege	2756	wmic.exe
Token: 33	2756	wmic.exe
Token: 34	2756	wmic.exe
Token: 35	2756	wmic.exe
Token: SeIncreaseQuotaPrivilege	2756	wmic.exe
Token: SeSecurityPrivilege	2756	wmic.exe
Token: SeTakeOwnershipPrivilege	2756	wmic.exe
Token: SeLoadDriverPrivilege	2756	wmic.exe
Token: SeSystemProfilePrivilege	2756	wmic.exe
Token: SeSystemtimePrivilege	2756	wmic.exe
Token: SeProfSingleProcessPrivilege	2756	wmic.exe
Token: SeIncBasePriorityPrivilege	2756	wmic.exe
Token: SeCreatePagefilePrivilege	2756	wmic.exe
Token: SeBackupPrivilege	2756	wmic.exe
Token: SeRestorePrivilege	2756	wmic.exe
Token: SeShutdownPrivilege	2756	wmic.exe
Token: SeDebugPrivilege	2756	wmic.exe
Token: SeSystemEnvironmentPrivilege	2756	wmic.exe
Token: SeRemoteShutdownPrivilege	2756	wmic.exe
Token: SeUndockPrivilege	2756	wmic.exe
Token: SeManageVolumePrivilege	2756	wmic.exe
Token: 33	2756	wmic.exe
Token: 34	2756	wmic.exe
Token: 35	2756	wmic.exe
Token: SeIncreaseQuotaPrivilege	2664	wmic.exe
Token: SeSecurityPrivilege	2664	wmic.exe
Token: SeTakeOwnershipPrivilege	2664	wmic.exe
Token: SeLoadDriverPrivilege	2664	wmic.exe
Token: SeSystemProfilePrivilege	2664	wmic.exe
Token: SeSystemtimePrivilege	2664	wmic.exe
Token: SeProfSingleProcessPrivilege	2664	wmic.exe
Token: SeIncBasePriorityPrivilege	2664	wmic.exe
Token: SeCreatePagefilePrivilege	2664	wmic.exe
Token: SeBackupPrivilege	2664	wmic.exe
Token: SeRestorePrivilege	2664	wmic.exe
Token: SeShutdownPrivilege	2664	wmic.exe
Token: SeDebugPrivilege	2664	wmic.exe
Token: SeSystemEnvironmentPrivilege	2664	wmic.exe
Token: SeRemoteShutdownPrivilege	2664	wmic.exe
Token: SeUndockPrivilege	2664	wmic.exe
Token: SeManageVolumePrivilege	2664	wmic.exe
Token: 33	2664	wmic.exe
Token: 34	2664	wmic.exe
Token: 35	2664	wmic.exe
Token: SeIncreaseQuotaPrivilege	2520	wmic.exe
Token: SeSecurityPrivilege	2520	wmic.exe
Token: SeTakeOwnershipPrivilege	2520	wmic.exe
Token: SeLoadDriverPrivilege	2520	wmic.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2676	2172	1c943a71adaecce1bf7b424e11563c87.exe	28
PID 2172 wrote to memory of 2676	2172	1c943a71adaecce1bf7b424e11563c87.exe	28
PID 2172 wrote to memory of 2676	2172	1c943a71adaecce1bf7b424e11563c87.exe	28
PID 2172 wrote to memory of 2676	2172	1c943a71adaecce1bf7b424e11563c87.exe	28
PID 2172 wrote to memory of 2676	2172	1c943a71adaecce1bf7b424e11563c87.exe	28
PID 2172 wrote to memory of 2676	2172	1c943a71adaecce1bf7b424e11563c87.exe	28
PID 2172 wrote to memory of 2676	2172	1c943a71adaecce1bf7b424e11563c87.exe	28
PID 2676 wrote to memory of 2756	2676	f.exe	29
PID 2676 wrote to memory of 2756	2676	f.exe	29
PID 2676 wrote to memory of 2756	2676	f.exe	29
PID 2676 wrote to memory of 2756	2676	f.exe	29
PID 2676 wrote to memory of 2664	2676	f.exe	33
PID 2676 wrote to memory of 2664	2676	f.exe	33
PID 2676 wrote to memory of 2664	2676	f.exe	33
PID 2676 wrote to memory of 2664	2676	f.exe	33
PID 2676 wrote to memory of 2520	2676	f.exe	34
PID 2676 wrote to memory of 2520	2676	f.exe	34
PID 2676 wrote to memory of 2520	2676	f.exe	34
PID 2676 wrote to memory of 2520	2676	f.exe	34
PID 2676 wrote to memory of 2648	2676	f.exe	36
PID 2676 wrote to memory of 2648	2676	f.exe	36
PID 2676 wrote to memory of 2648	2676	f.exe	36
PID 2676 wrote to memory of 2648	2676	f.exe	36
PID 2676 wrote to memory of 2152	2676	f.exe	38
PID 2676 wrote to memory of 2152	2676	f.exe	38
PID 2676 wrote to memory of 2152	2676	f.exe	38
PID 2676 wrote to memory of 2152	2676	f.exe	38
PID 2676 wrote to memory of 268	2676	f.exe	40
PID 2676 wrote to memory of 268	2676	f.exe	40
PID 2676 wrote to memory of 268	2676	f.exe	40
PID 2676 wrote to memory of 268	2676	f.exe	40

C:\Users\Admin\AppData\Local\Temp\1c943a71adaecce1bf7b424e11563c87.exe
"C:\Users\Admin\AppData\Local\Temp\1c943a71adaecce1bf7b424e11563c87.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\f.exe
  C:\Users\Admin\AppData\Local\Temp\f.exe /PID=7302 /SUBPID=-1 /DISTID=1775 /NETWORKID=0 /CID=0 /PRODUCT_ID=1694 /SERVER_URL=http://installer.apps-track.com /CLICKID=808931009 /D1=14321 /D2=-1 /D3=-1 /D4=-1 /D5=-1 /PRODUCT_NAME= /PRODUCT_EULA= /PRODUCT_PRIVACY= /EXE_URL= /EXE_CMDLINE= /HOST_BROWSER=2 /IS_RUNTIME=true /THANKYOU_URL= /RETURNING_USER_DAYS=2 /VM=2
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\obhhelper.txt bios get serialnumber
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\obhhelper.txt bios get version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2664
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\obhhelper.txt bios get version
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2520
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\obhhelper.txt bios get version
    3⤵
    PID:2648
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic /output:C:\Users\Admin\AppData\Local\Temp\obhhelper.txt bios get version
    3⤵
    PID:2152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 364
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\obhhelper.txt

Filesize
66B

MD5
9025468f85256136f923096b01375964

SHA1
7fcd174999661594fa5f88890ffb195e9858cc52

SHA256
d5418014fa8e6e17d8992fd12c0dfecac8a34855603ea58133e87ea09c2130df

SHA512
92cac37c332e6e276a963d659986a79a79867df44682bfc2d77ed7784ffa5e2c149e5960a83d03ef4cf171be40a73e93a110aaa53b95152fa9a9da6b41d31e51

Download Submit
\Users\Admin\AppData\Local\Temp\f.exe

Filesize
1.3MB

MD5
87871727eea84770fe6f4f3ff7d2e334

SHA1
ab0a82f0c59daebdeb0d094edb0709708093df2b

SHA256
13c16041165c7e4d146d7ea6f256440359b230bbb62472444cc0d422859bb237

SHA512
a7a700a68551e9aa4694265cc3a55b59cc72b93d7ba0997cad380d142e0b89093763505eee777efe8bc8dbfe6f19738f2764f6d75fc0547dc3e41ab00653a9dd

Download Submit
\Users\Admin\AppData\Local\Temp\nsy534F.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit