e3b7f2478b5d19532b743da2b078eb0828725e6f146909f45838e13d462f57a5

General

Target

00b8e951a41fd065a92e32bdf68e5afd.exe
Size

1.8MB
MD5

00b8e951a41fd065a92e32bdf68e5afd
SHA1

9b64f42a9c779a2cfde60cc279502eead976ad4c
SHA256

e3b7f2478b5d19532b743da2b078eb0828725e6f146909f45838e13d462f57a5
SHA512

4675e782ee167e1f53de46a2f2ff1cd4382a783055eea6f75c15b2b7c24efb06a492e8e93fde8c960ad3fa5f65ee46168654d06c1aec7e6eb5dbba8c877cf07c
SSDEEP

24576:ZzP+69ke/Zq+ui4Q0tNL71oZ6ehvZ6QMRa64C/C8zlwiKLMUf7:ZC69vgZTtez6d9zlwiK1f7

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2316-0-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-4-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-3-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-2-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-6-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-14-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-32-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-34-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-41-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-48-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-50-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-47-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-45-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-43-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-38-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-36-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-30-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-28-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-26-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-24-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-22-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-20-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-18-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-16-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-12-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-10-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-8-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-5-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2316-53-0x0000000010000000-0x000000001003D000-memory.dmp	upx

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8F175441-A403-11EE-AE8B-76B33C18F4CF} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409766448"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2316	00b8e951a41fd065a92e32bdf68e5afd.exe
Token: SeIncBasePriorityPrivilege	2316	00b8e951a41fd065a92e32bdf68e5afd.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1324	iexplore.exe

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
2316	00b8e951a41fd065a92e32bdf68e5afd.exe
1324	iexplore.exe
1324	iexplore.exe
2500	IEXPLORE.EXE
2500	IEXPLORE.EXE
2500	IEXPLORE.EXE
2500	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1324	2316	00b8e951a41fd065a92e32bdf68e5afd.exe	29
PID 2316 wrote to memory of 1324	2316	00b8e951a41fd065a92e32bdf68e5afd.exe	29
PID 2316 wrote to memory of 1324	2316	00b8e951a41fd065a92e32bdf68e5afd.exe	29
PID 2316 wrote to memory of 1324	2316	00b8e951a41fd065a92e32bdf68e5afd.exe	29
PID 1324 wrote to memory of 2500	1324	iexplore.exe	30
PID 1324 wrote to memory of 2500	1324	iexplore.exe	30
PID 1324 wrote to memory of 2500	1324	iexplore.exe	30
PID 1324 wrote to memory of 2500	1324	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\00b8e951a41fd065a92e32bdf68e5afd.exe
"C:\Users\Admin\AppData\Local\Temp\00b8e951a41fd065a92e32bdf68e5afd.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.koooo8.cn/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1324
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1324 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
f7b0cbfb84ba30c310b53ac8f6097b49

SHA1
f1607b846ac3f4263fc3dad2347aa9dd15f2b732

SHA256
d363a792ff18b2240f17b582e3f6e435c8694ce714c7de501345c2ac66725be1

SHA512
b3cd3b8d60fb07a78a681c607401f45f4bd63726c6ee7def3b8f29ae1cf8b65ef998ae5577a3a848101de7726222af727e1e977af08bd5a916f1922fdc1eba09

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
863f103bca0e27bd1ed5a962045aed35

SHA1
1e18225e3b2ec53c48d2b8a2954f6aa8f9f94bef

SHA256
ba0f03ebf4dea9a0780ccfe04dc84ff9a853d9201f2a90a3b0dad63d4b7b6c7d

SHA512
28058dd349ccf285c9f7a2bbde10e67fc5c0a151a280efaa1bcd296674617f1087de7db6fa85a95114516ee3129e67934a88367003e91c96127a2aedb40767e4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
b9e9dd02830fda73b4acb5784a319f74

SHA1
0c4eabae9c4f70867c26155b1590f3d85d7ca18e

SHA256
091867d53f02ed5dfd24655ec44c634a4f7af6713eb9cda612145607c055342c

SHA512
ebc5013f6c34d87ab79808d26a20e8be8dc6100d1058013aba9b7ceae29c5c83880a96d298403235678840a2ec98348ed04c6f3fb2d654b6d3b17141eca89d85

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
caae2ee208b90a166b35f6fb4222c279

SHA1
c1332c1bfcd42faee7028104de732b72ab5bdf16

SHA256
c10a334406cf9359a0242666e90bb57530ef9a4bdec99a9ce9c72a75adb49c16

SHA512
0c19766fa82f548646f4b855cd10cb5a74d83de7a8fc902d7cc61d0fab38300ab5a60f3114c6170696e1679434a36be3d66e641a0d18bf21ba529064cbe52324

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab473F.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar47EE.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2316-28-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-22-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-41-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-48-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-50-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-47-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-52-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/2316-45-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-43-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-38-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-36-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-30-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-0-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-26-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-24-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-34-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-20-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-18-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-16-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-12-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-10-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-8-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-5-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-53-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-32-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-14-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-6-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-2-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-3-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2316-4-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download

Analysis

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