4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212

General

Target

4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
Size

175KB
MD5

4478d63bfa4ba7eedfbbdbb01e675286
SHA1

c90eaec956002d5ddfcd7b2ce0510ee93fad8290
SHA256

4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212
SHA512

995b0da360ba473fa77a2d5d532e96f336c0987392e0af8e3f745a6dcc1924246d7f95500b1ad91655b72a70acab16a4ba2a3ed399de56c1e23302d48f412369
SSDEEP

3072:JYNQKPWDyaRefVJltZrpRl1P3KflMPp8GvYLT3V7qlqL8jGOQpIPpnt+HT5WQ8Ai:yNSDyaRO1thpMflMPS1TVmML8jBQWVY8

Score

8^/10

spyware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1752-55-0x0000000001000000-0x0000000001055000-memory.dmp	upx
behavioral1/memory/1752-96-0x0000000001000000-0x0000000001055000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Enumerates connected drives 3 TTPs 22 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

Processes:

4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe

description	ioc	process
File opened (read-only)	\??\G:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\K:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\M:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\R:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\S:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\Y:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\F:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\H:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\W:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\E:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\I:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\J:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\L:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\Q:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\U:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\Z:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\N:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\O:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\P:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\T:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\V:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened (read-only)	\??\X:	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe

Drops file in System32 directory 21 IoCs

Processes:

4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe

description	ioc	process
File opened for modification	\??\c:\windows\SysWOW64\ui0detect.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\vssvc.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\wbengine.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\svchost.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File created	\??\c:\windows\SysWOW64\msiexec.vir	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\alg.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File created	\??\c:\windows\SysWOW64\dllhost.vir	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\ieetwcollector.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\msdtc.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\syswow64\perfhost.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\snmptrap.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\wbem\wmiApsrv.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File created	\??\c:\windows\SysWOW64\svchost.vir	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\dllhost.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\searchindexer.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\msiexec.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\locator.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\vds.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File created	\??\c:\windows\SysWOW64\searchindexer.vir	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\lsass.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\SysWOW64\fxssvc.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe

Drops file in Program Files directory 15 IoCs

Processes:

4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe

description	ioc	process
File opened for modification	\??\c:\program files (x86)\mozilla maintenance service\maintenanceservice.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\FlickLearningWizard.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\program files (x86)\google\update\googleupdate.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\program files\google\chrome\Application\89.0.4389.114\elevation_service.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\program files (x86)\microsoft office\office14\groove.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\program files (x86)\common files\microsoft shared\source engine\ose.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\program files\common files\microsoft shared\officesoftwareprotectionplatform\osppsvc.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\program files\windows media player\wmpnetwk.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	C:\Program Files\Internet Explorer\iexplore.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File created	C:\Program Files\7-Zip\Uninstall.vir	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ConvertInkStore.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe

Drops file in Windows directory 12 IoCs

Processes:

4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exedllhost.exe

description	ioc	process
File opened for modification	\??\c:\windows\ehome\ehsched.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\microsoft.net\framework64\v3.0\windows communication foundation\infocard.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\microsoft.net\framework\v2.0.50727\mscorsvw.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\microsoft.net\framework64\v2.0.50727\mscorsvw.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\microsoft.net\framework\v4.0.30319\mscorsvw.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File created	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{E75F1626-AE8D-48EF-849A-E04C7EF255A8}.crmlog	dllhost.exe
File opened for modification	C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{E75F1626-AE8D-48EF-849A-E04C7EF255A8}.crmlog	dllhost.exe
File opened for modification	\??\c:\windows\microsoft.net\framework64\v3.0\wpf\presentationfontcache.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\servicing\trustedinstaller.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\microsoft.net\framework64\v4.0.30319\aspnet_state.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\microsoft.net\framework64\v4.0.30319\mscorsvw.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
File opened for modification	\??\c:\windows\ehome\ehrecvr.exe	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe

Modifies data under HKEY_USERS 3 IoCs

Processes:

SearchIndexer.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones	SearchIndexer.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap	SearchIndexer.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	SearchIndexer.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exemsiexec.exeSearchIndexer.exe

description	pid	process
Token: SeTakeOwnershipPrivilege	1752	4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
Token: SeRestorePrivilege	1772	msiexec.exe
Token: SeTakeOwnershipPrivilege	1772	msiexec.exe
Token: SeSecurityPrivilege	1772	msiexec.exe
Token: SeManageVolumePrivilege	468	SearchIndexer.exe
Token: 33	468	SearchIndexer.exe
Token: SeIncBasePriorityPrivilege	468	SearchIndexer.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

SearchProtocolHost.exe

pid process

304 SearchProtocolHost.exe
304 SearchProtocolHost.exe
304 SearchProtocolHost.exe
304 SearchProtocolHost.exe
304 SearchProtocolHost.exe

pid	process
304	SearchProtocolHost.exe
304	SearchProtocolHost.exe
304	SearchProtocolHost.exe
304	SearchProtocolHost.exe
304	SearchProtocolHost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

SearchIndexer.exe

description	pid	process	target process
PID 468 wrote to memory of 304	468	SearchIndexer.exe	SearchProtocolHost.exe
PID 468 wrote to memory of 304	468	SearchIndexer.exe	SearchProtocolHost.exe
PID 468 wrote to memory of 304	468	SearchIndexer.exe	SearchProtocolHost.exe
PID 468 wrote to memory of 340	468	SearchIndexer.exe	SearchFilterHost.exe
PID 468 wrote to memory of 340	468	SearchIndexer.exe	SearchFilterHost.exe
PID 468 wrote to memory of 340	468	SearchIndexer.exe	SearchFilterHost.exe

C:\Users\Admin\AppData\Local\Temp\4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe
"C:\Users\Admin\AppData\Local\Temp\4d18734b0832e0cf91fdf3176fabf2a8344912a979d66066a14cdddd82036212.exe"
1⤵
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1752

C:\Windows\system32\dllhost.exe
C:\Windows\system32\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235}
1⤵
- Drops file in Windows directory
PID:1280

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1772

C:\Windows\system32\SearchIndexer.exe
C:\Windows\system32\SearchIndexer.exe /Embedding
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:468

C:\Windows\system32\SearchProtocolHost.exe
"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe_S-1-5-21-2292972927-2705560509-2768824231-10001_ Global\UsGthrCtrlFltPipeMssGthrPipe_S-1-5-21-2292972927-2705560509-2768824231-10001 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" "1"
2⤵
- Suspicious use of SetWindowsHookEx
PID:304

C:\Windows\system32\SearchFilterHost.exe
"C:\Windows\system32\SearchFilterHost.exe" 0 512 516 524 65536 520
2⤵
PID:340

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/304-94-0x0000000000000000-mapping.dmp

Download
memory/340-95-0x0000000000000000-mapping.dmp

Download
memory/468-57-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/468-73-0x0000000002A70000-0x0000000002A80000-memory.dmp

Filesize
64KB

Download
memory/468-89-0x0000000003E70000-0x0000000003E78000-memory.dmp

Filesize
32KB

Download
memory/468-92-0x0000000003E70000-0x0000000003E78000-memory.dmp

Filesize
32KB

Download
memory/468-93-0x0000000003ED0000-0x0000000003ED8000-memory.dmp

Filesize
32KB

Download
memory/1752-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/1752-55-0x0000000001000000-0x0000000001055000-memory.dmp

Filesize
340KB

Download
memory/1752-96-0x0000000001000000-0x0000000001055000-memory.dmp

Filesize
340KB

Download
memory/1772-56-0x000007FEFBF21000-0x000007FEFBF23000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads