37423aada748d2231ec88a1fec178d73c4839ef39c903eb1c0a055ee51abf241

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2024 09:11

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General

Target

588a701bf9a1aac46f34318ab98fb10a.exe
Size

45KB
MD5

588a701bf9a1aac46f34318ab98fb10a
SHA1

c47f733b90417536497199699fb8d9fcb46f2e6f
SHA256

37423aada748d2231ec88a1fec178d73c4839ef39c903eb1c0a055ee51abf241
SHA512

3ea9c7b539843a8b59286d5abd8ab41c0ebf2a8278aabcd44ac6f4025ba8729b428ac72b44ddc1e12d35b3622910e122c1091a4cf5d7e7a09f42265e4d183fa9
SSDEEP

768:qe3hR5fFEk0M2TI6QV/jTeC7GX9D3ZaejLeH0RxdJukYGn+LVK:qOb0LI6+sp3ZPveH0R8kYGn

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	588a701bf9a1aac46f34318ab98fb10a.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4772-0-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-1-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-3-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-6-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-19-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-21-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-24-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-35-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-37-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-38-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-39-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-40-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-41-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-42-0x0000000013140000-0x0000000013162000-memory.dmp	upx
behavioral2/memory/4772-43-0x0000000013140000-0x0000000013162000-memory.dmp	upx

Enumerates connected drives 3 TTPs 23 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

description	ioc	Process
File opened (read-only)	\??\A:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\B:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\G:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\H:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\M:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\R:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\S:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\U:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\V:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\W:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\L:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\O:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\Z:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\I:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\N:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\P:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\Q:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\X:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\E:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\J:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\K:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\T:	588a701bf9a1aac46f34318ab98fb10a.exe
File opened (read-only)	\??\Y:	588a701bf9a1aac46f34318ab98fb10a.exe

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7zG.exe	588a701bf9a1aac46f34318ab98fb10a.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	588a701bf9a1aac46f34318ab98fb10a.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	588a701bf9a1aac46f34318ab98fb10a.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\createdump.exe	588a701bf9a1aac46f34318ab98fb10a.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\createdump.exe	588a701bf9a1aac46f34318ab98fb10a.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	588a701bf9a1aac46f34318ab98fb10a.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	588a701bf9a1aac46f34318ab98fb10a.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2436506429"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411902065"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31081984"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2438537638"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31081984"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BCC4AC90-B1F3-11EE-BD28-7E4216712C33} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2436506429"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081984"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2438537638"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081984"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4772	588a701bf9a1aac46f34318ab98fb10a.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4400	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4400	iexplore.exe
4400	iexplore.exe
4080	IEXPLORE.EXE
4080	IEXPLORE.EXE
4080	IEXPLORE.EXE
4080	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 4400	4772	588a701bf9a1aac46f34318ab98fb10a.exe	89
PID 4772 wrote to memory of 4400	4772	588a701bf9a1aac46f34318ab98fb10a.exe	89
PID 4400 wrote to memory of 4080	4400	iexplore.exe	91
PID 4400 wrote to memory of 4080	4400	iexplore.exe	91
PID 4400 wrote to memory of 4080	4400	iexplore.exe	91
PID 4772 wrote to memory of 4400	4772	588a701bf9a1aac46f34318ab98fb10a.exe	89

C:\Users\Admin\AppData\Local\Temp\588a701bf9a1aac46f34318ab98fb10a.exe
"C:\Users\Admin\AppData\Local\Temp\588a701bf9a1aac46f34318ab98fb10a.exe"
1⤵
- Checks computer location settings
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4400
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4400 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verBFF4.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UG0DPB4T\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/4772-24-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-37-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-1-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-35-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-21-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-3-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-6-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-19-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-0-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-38-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-39-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-40-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-41-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-42-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download
memory/4772-43-0x0000000013140000-0x0000000013162000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads