1fd72cea01073af91e1f8677c48fa14257230cc505409e0e56f204a79f4ebae4

Analysis

max time kernel
93s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 05:42

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General

Target

a115c40fcc89b08a1634c6f6433bd3c0.exe
Size

1.4MB
MD5

a115c40fcc89b08a1634c6f6433bd3c0
SHA1

6d4082f93198de467584cb48f6a8f708a1ff13db
SHA256

1fd72cea01073af91e1f8677c48fa14257230cc505409e0e56f204a79f4ebae4
SHA512

72c96484687eca67a5ae9bbb6db4f6e82b7a44a3a6cd240d9d9df69da81d6b0e53c158f47fd22676bd1dd40807ea08b5eeb80fd644df68bd0df791dd81bb3f40
SSDEEP

24576:Ro7r/4p6qO4pDlPJsZtZQk5p8hulbEwfXGpBzjRvdsxlTShiVCF:yf/4Qf4pxPctqG8IlNGnxvdsxZ4U2

Score

7^/10

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-1-5-21-2132103209-3755304320-2959162027-1000\Control Panel\International\Geo\Nation	a115c40fcc89b08a1634c6f6433bd3c0.exe

Loads dropped DLL 8 IoCs

pid	Process
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe

Drops file in Program Files directory 11 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\jishu_121403\FlashIcon.ico	a115c40fcc89b08a1634c6f6433bd3c0.exe
File created	C:\Program Files (x86)\jishu_121403\newnew.exe	a115c40fcc89b08a1634c6f6433bd3c0.exe
File created	C:\Program Files (x86)\soft121403\a	a115c40fcc89b08a1634c6f6433bd3c0.exe
File created	C:\Program Files (x86)\soft121403\0320110305030321140312030303.txt	a115c40fcc89b08a1634c6f6433bd3c0.exe
File created	C:\Program Files (x86)\soft121403\wl0322276.exe	a115c40fcc89b08a1634c6f6433bd3c0.exe
File created	C:\Program Files (x86)\soft121403\pipi_dae_382.exe	a115c40fcc89b08a1634c6f6433bd3c0.exe
File created	C:\Program Files (x86)\soft121403\d_1203.exe	a115c40fcc89b08a1634c6f6433bd3c0.exe
File created	C:\Program Files (x86)\jishu_121403\dailytips.ini	a115c40fcc89b08a1634c6f6433bd3c0.exe
File created	C:\Program Files (x86)\jishu_121403\newnew.ini	a115c40fcc89b08a1634c6f6433bd3c0.exe
File created	C:\Program Files (x86)\soft121403\MiniJJ_12319.exe	a115c40fcc89b08a1634c6f6433bd3c0.exe
File opened for modification	C:\Program Files (x86)\jishu_121403\jishu_121403.ini	a115c40fcc89b08a1634c6f6433bd3c0.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 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20945358e466da01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1333127352"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31090404"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000022e3072d2f5352448d13005d4589b91b000000000200000000001066000000010000200000005ceae7040718f34f906bcaa0db1b41a28eaa75413c8a706d958fcb3cec366d12000000000e8000000002000020000000af3c35bf6d6dd6a3f4f52d2695566745bd4001f3371846f4f9a69ab2fc8b2f4920000000f5e1714c96a568e03ed1ea27dccf57302bfb0f71e21b0e6175421ca7fd7069e840000000e638b47d2db4318d89b838f53d85e6ee3b5f43fe9463f9efceaf132691e7683dce6b0b6d631b438e2be366d9b7773a21cd954003d7fca146f7ef8f3ccb6b5bf8	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "415518316"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1336408683"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31090404"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7B1846D5-D2D7-11EE-A646-4E7D9308121B} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31090404"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1333127352"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000022e3072d2f5352448d13005d4589b91b00000000020000000000106600000001000020000000d4f9ea3f3befb8f2311a420ff9913013a5dbdff0c94d7896a61cc1e9e03857cd000000000e80000000020000200000008dd5379d41193d655cc58cdb895e06fbd3d30f5be675a2c098eedaf044510d55200000003fdb5f256195c692a64fa0450db3894d77e8b95f9264ac3c73d75d108b82bab440000000c4fe69321709328921ee4c772d70924243cfd475206c68a382e9f28576eb54ecfb905127c8911242228b33997fe4cf681638f50aa933373b91bc70a2d3f86a7c	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\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 (data)	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 000a5d58e466da01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe
1700	a115c40fcc89b08a1634c6f6433bd3c0.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
908	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
908	IEXPLORE.EXE
908	IEXPLORE.EXE
4740	IEXPLORE.EXE
4740	IEXPLORE.EXE
4740	IEXPLORE.EXE
4740	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 3092	1700	a115c40fcc89b08a1634c6f6433bd3c0.exe	87
PID 1700 wrote to memory of 3092	1700	a115c40fcc89b08a1634c6f6433bd3c0.exe	87
PID 1700 wrote to memory of 3092	1700	a115c40fcc89b08a1634c6f6433bd3c0.exe	87
PID 1700 wrote to memory of 3704	1700	a115c40fcc89b08a1634c6f6433bd3c0.exe	89
PID 1700 wrote to memory of 3704	1700	a115c40fcc89b08a1634c6f6433bd3c0.exe	89
PID 1700 wrote to memory of 3704	1700	a115c40fcc89b08a1634c6f6433bd3c0.exe	89
PID 3092 wrote to memory of 2912	3092	IEXPLORE.EXE	88
PID 3092 wrote to memory of 2912	3092	IEXPLORE.EXE	88
PID 1700 wrote to memory of 4064	1700	a115c40fcc89b08a1634c6f6433bd3c0.exe	90
PID 1700 wrote to memory of 4064	1700	a115c40fcc89b08a1634c6f6433bd3c0.exe	90
PID 1700 wrote to memory of 4064	1700	a115c40fcc89b08a1634c6f6433bd3c0.exe	90
PID 3704 wrote to memory of 908	3704	IEXPLORE.EXE	91
PID 3704 wrote to memory of 908	3704	IEXPLORE.EXE	91
PID 908 wrote to memory of 4740	908	IEXPLORE.EXE	92
PID 908 wrote to memory of 4740	908	IEXPLORE.EXE	92
PID 908 wrote to memory of 4740	908	IEXPLORE.EXE	92

C:\Users\Admin\AppData\Local\Temp\a115c40fcc89b08a1634c6f6433bd3c0.exe
"C:\Users\Admin\AppData\Local\Temp\a115c40fcc89b08a1634c6f6433bd3c0.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" http://taourl.com/i0dpw
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3092
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://taourl.com/i0dpw
    3⤵
    - Modifies Internet Explorer settings
    PID:2912
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" http://www.178gg.com/lianjie/10608.htm
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3704
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.178gg.com/lianjie/10608.htm
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:908
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:908 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4740
- C:\Windows\SysWOW64\Wscript.exe
  "C:\Windows\system32\Wscript" "C:\Program Files (x86)\soft121403\b_1203.vbs"
  2⤵
  PID:4064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\jishu_121403\jishu_121403.exe

Filesize
1.0MB

MD5
e2590fb7bac27dbfa512820e9139f28b

SHA1
209d8d0b77c7a8863a3c68464ce47f6a3f00d454

SHA256
4369c213390dd318aaf57b841e338f0b781b16e61713c39e3d961d6065de1821

SHA512
a6b8cdac512c2d05eb2270f8b4f64248cc177785acbd8d4f0ad725acdd2c894f639e7e7259066a8014a79d69f213812dc09793a2bad7a3d6bd9a511f3ee57223

Download Submit
C:\Program Files (x86)\soft121403\b_1203.vbs

Filesize
226B

MD5
88e390a1ae346a890b0ad5f99b680230

SHA1
a092ac6c24d3d0db4d8a573c46f20cf72c266b55

SHA256
e8e6f4b99b4d86aef27a2b6c276bb6d9a12411b278d9b80c177a1f7e19ec79dc

SHA512
8d53fb2bd82f6dbe188f6b368cb4c7b61ea5b429769fdc3075f0c7c320ae1362caab3432facfe83ad323ebebf3beab1739adfef46c01d2356eb6866f9ded88b1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VTN5LRZV\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsv472C.tmp\FindProcDLL.dll

Filesize
31KB

MD5
83cd62eab980e3d64c131799608c8371

SHA1
5b57a6842a154997e31fab573c5754b358f5dd1c

SHA256
a6122e80f1c51dc72770b4f56c7c482f7a9571143fbf83b19c4d141d0cb19294

SHA512
91cfbcc125600ec341f5571dcf1e4a814cf7673f82cf42f32155bd54791bbf32619f2bb14ae871d7996e9ddecdfcc5db40caa0979d6dfba3e73cfe8e69c163c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsv472C.tmp\NSISdl.dll

Filesize
14KB

MD5
254f13dfd61c5b7d2119eb2550491e1d

SHA1
5083f6804ee3475f3698ab9e68611b0128e22fd6

SHA256
fd0e8be2135f3d326b65520383a3468c3983fa32c9c93594d986b16709d80f28

SHA512
fcef8ac5bd0ee6e316dbbc128a223ba18c8bf85a8d253e0c0877af6a4f686a20b08d34e5a426e2be5045962b391b8073769253a4d9b18616febc8133ccf654f7

Download Submit