3d21f36bb30e876980868e9de4dfb85d21d07a90c5c7f99fe6061d6a28559ebd

Analysis

max time kernel
157s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 19:14

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General

Target

87ada9411ca9c8fe0d7285d5d5b4022c.exe
Size

9KB
MD5

87ada9411ca9c8fe0d7285d5d5b4022c
SHA1

446a79298b29ed53037d4a9b837242167f9849e7
SHA256

3d21f36bb30e876980868e9de4dfb85d21d07a90c5c7f99fe6061d6a28559ebd
SHA512

4ed61da98cec016368936bdf57567c143ce664ccca9eab250dad94d0c3471ce9da00690bb781591aa086187f85e1dddcaa74a30b79007ce3bf7f8c8539b52e14
SSDEEP

192:XjeNsUi++ipsz9SJK1GMmBCIGISDI9m4iYVys52E:XWS9ffmUU9m4N51

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	z1428.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	87ada9411ca9c8fe0d7285d5d5b4022c.exe

Deletes itself 1 IoCs

pid	Process
2424	z1428.exe

Executes dropped EXE 1 IoCs

pid	Process
2424	z1428.exe

Loads dropped DLL 3 IoCs

pid	Process
2424	z1428.exe
4872	IEXPLORE.EXE
4872	IEXPLORE.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\364tvb384 = "C:\\Windows\\SysWOW64\\z1428.exe asycf74"	z1428.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\z1428.exe	87ada9411ca9c8fe0d7285d5d5b4022c.exe
File opened for modification	C:\Windows\SysWOW64\z1428.exe	87ada9411ca9c8fe0d7285d5d5b4022c.exe
File created	C:\Windows\SysWOW64\z3308.dll	z1428.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 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5050C6A4-C136-11EE-B6AD-D2066D8F1295} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085891"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "639314397"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085891"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31085891"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413579933"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "639314397"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "691815117"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
972	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2424	z1428.exe
972	iexplore.exe
972	iexplore.exe
4872	IEXPLORE.EXE
4872	IEXPLORE.EXE
4872	IEXPLORE.EXE
4872	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 2424	740	87ada9411ca9c8fe0d7285d5d5b4022c.exe	86
PID 740 wrote to memory of 2424	740	87ada9411ca9c8fe0d7285d5d5b4022c.exe	86
PID 740 wrote to memory of 2424	740	87ada9411ca9c8fe0d7285d5d5b4022c.exe	86
PID 2424 wrote to memory of 972	2424	z1428.exe	87
PID 2424 wrote to memory of 972	2424	z1428.exe	87
PID 972 wrote to memory of 4872	972	iexplore.exe	88
PID 972 wrote to memory of 4872	972	iexplore.exe	88
PID 972 wrote to memory of 4872	972	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\87ada9411ca9c8fe0d7285d5d5b4022c.exe
"C:\Users\Admin\AppData\Local\Temp\87ada9411ca9c8fe0d7285d5d5b4022c.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\z1428.exe
  "C:\Windows\system32\z1428.exe" C:\Users\Admin\AppData\Local\Temp\87ada9411ca9c8fe0d7285d5d5b4022c.exe
  2⤵
  - Checks computer location settings
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:972
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:972 CREDAT:17410 /prefetch:2
      4⤵
      Loads dropped DLL
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
164c747ec05b351867ac47fb8ac89dcb

SHA1
d814dbedc7356af4d274b907692c28baea48dba0

SHA256
e675e63c991701c36625eb6ef0d2e009c743f7a6843192f74bd10ac641503181

SHA512
895663660c26f74561154925fd7ef4c2ee7e8fe0ad25985f7ed51ceadb476d576450c8c57aa8e8ea350be398b491f0bb5fe54744d7d1e625e4ab97a93b375643

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

Filesize
404B

MD5
60126f7e4227110008bee4a9b1ed5694

SHA1
7a0e10d01afdeb634900b774e7d37c4f736f7950

SHA256
c917d95b7fdf239b31f30f08e5bb621c0d7459f2b4eeb73fcfcf372cdb4ffebb

SHA512
87ef9a9fbbf7408188894301131ebe0bc02652bb6d9dbeaccff90e46775504fa8a9957f7f9954d91882b2b388fb407579db9e64f70e38da62f4ee78621db7526

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Z0UNWU5J\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\z1428.exe

Filesize
9KB

MD5
87ada9411ca9c8fe0d7285d5d5b4022c

SHA1
446a79298b29ed53037d4a9b837242167f9849e7

SHA256
3d21f36bb30e876980868e9de4dfb85d21d07a90c5c7f99fe6061d6a28559ebd

SHA512
4ed61da98cec016368936bdf57567c143ce664ccca9eab250dad94d0c3471ce9da00690bb781591aa086187f85e1dddcaa74a30b79007ce3bf7f8c8539b52e14

Download Submit
C:\Windows\SysWOW64\z3308.dll

Filesize
20KB

MD5
3e87feb444edbcc7888e79aafcda3ea8

SHA1
cf85971aa314e172e9e6f14781f69584d5db9c32

SHA256
47c87bdc099fd9a6511c75790c25d27989fe91323521d30c1789c0eb6356740b

SHA512
319468dbad20e686d1279dfe1b7007a429126d7c6126a2246f145ffbb929768726ed99293ace8ab7de98342c520da6bfd8cd09ff8af302771fc288bc92c586d6

Download Submit
memory/740-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/740-1-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/740-3-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2424-20-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads