d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0

Analysis

max time kernel
159s
max time network
204s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 20:19

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General

Target

d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe
Size

581KB
MD5

83a81d664d5ee61ab5f33030f4df24e7
SHA1

a638555e23ad69f4a211b66ebd48e1d7ea6af88d
SHA256

d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0
SHA512

94e32b8c484a4695e1c9102b311ae53ae35061e23ec1775dc2c1dadaec18d4ec4156a68095504bba72f537fe678e57ed4d2782535d3e26a496bdbdb7a2d4160c
SSDEEP

12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0Ut:ufplNFgxG5eZngb0C

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1056	nbfile0.exe
1340	nbfile1.exe

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	nbfile1.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x0006000000022e4c-141.dat	nsis_installer_2
behavioral2/files/0x0006000000022e4c-142.dat	nsis_installer_2

Modifies Internet Explorer settings 1 TTPs 37 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b142160000000002000000000010660000000100002000000054c6f0bbcad6a7d6691d7b0a70890f50bb5caae550e9bad99ac40232bc1e8bf9000000000e8000000002000020000000b5cb09aa42ee959be27a9aec73c71a75af5b9fd79de99915e77a69a937804a5420000000dbeba006e0de624648b1b653470ed0c7c565385375af3ed9a3917057b7a7ef0e4000000030353e0c88f265e72a8293af7b3c69717395dcc89d26a1dcf9dd008567bc572d0195575f120a9ad80395f09da43212dcae63130fd706a842c4a0a1da75c557d4	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b1421600000000020000000000106600000001000020000000e9c1064a335670f228cc4ea4a45e7be5ecf9bdd5b9180770293ff431722749cf000000000e80000000020000200000001b3a4887a4dd3bbc991727e09de259e2b3426e8891e18b7b2d9a2bff09669b0c2000000016a11fe134558d5cddfaaa3f5f787a6418ab3ae82e8145a7121b72c29c4fc61c40000000689191918ec27f19a8ad1593245e844e056ca08e31c9c868d5e8e220fa4633b5edcf2201b6d37ebb86683b3b7b56475a471894c69a0049168738ea4991157947	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2810225564"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30993439"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373872309"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2810225564"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30993439"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10adf3a91fecd801	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30993439"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CD6193FC-5812-11ED-B696-D2A4FF929712} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30993439"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 204585a71fecd801	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2863037892"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2863037892"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	nbfile1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1056	nbfile0.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4380	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1056	nbfile0.exe
4380	IEXPLORE.EXE
4380	IEXPLORE.EXE
3396	IEXPLORE.EXE
3396	IEXPLORE.EXE
3396	IEXPLORE.EXE
3396	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 1056	4100	d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe	81
PID 4100 wrote to memory of 1056	4100	d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe	81
PID 4100 wrote to memory of 1056	4100	d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe	81
PID 1056 wrote to memory of 4380	1056	nbfile0.exe	82
PID 1056 wrote to memory of 4380	1056	nbfile0.exe	82
PID 4380 wrote to memory of 3396	4380	IEXPLORE.EXE	83
PID 4380 wrote to memory of 3396	4380	IEXPLORE.EXE	83
PID 4380 wrote to memory of 3396	4380	IEXPLORE.EXE	83
PID 1056 wrote to memory of 4704	1056	nbfile0.exe	84
PID 1056 wrote to memory of 4704	1056	nbfile0.exe	84
PID 1056 wrote to memory of 4704	1056	nbfile0.exe	84
PID 4100 wrote to memory of 1340	4100	d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe	85
PID 4100 wrote to memory of 1340	4100	d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe	85
PID 4100 wrote to memory of 1340	4100	d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe	85
PID 1340 wrote to memory of 1808	1340	nbfile1.exe	86
PID 1340 wrote to memory of 1808	1340	nbfile1.exe	86
PID 1340 wrote to memory of 1808	1340	nbfile1.exe	86
PID 1340 wrote to memory of 4204	1340	nbfile1.exe	87
PID 1340 wrote to memory of 4204	1340	nbfile1.exe	87
PID 1340 wrote to memory of 4204	1340	nbfile1.exe	87

C:\Users\Admin\AppData\Local\Temp\d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe
"C:\Users\Admin\AppData\Local\Temp\d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
  C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.97199.com/install2/?sl3
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4380
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4380 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3396
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
    3⤵
    PID:4704
- C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
  C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1340
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"
    3⤵
    PID:1808
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\1.vbs"
    3⤵
    PID:4204

Network

MITRE ATT&CK Enterprise v6

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

Filesize
471B

MD5
a66314123c8c72372bcb8583a5400a95

SHA1
fc3e45060463c37775da0bd4a8920296d222753d

SHA256
657c92d95798fc5dad4272f3d6d71776737ac0bcdce4ac6864ca5532f2ccf34d

SHA512
d9f5c243b04d7b3fbbcb37c68c583db672390644500cfa4d58280048d9fde52c668fd67e84ecd6ace20b2813eefb756627adbd04a6f19719f6e907aa3fffe4f1

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

Filesize
434B

MD5
4f0d531c3c5f30f73055379c6ad64f59

SHA1
dd1622488ecc4dc041e7bb5b7a282067aab88183

SHA256
b666b8daaffbaee6fe1801ffbf7246ef17a91ac84883b9a09362e496736d08da

SHA512
67011544ea03925733794b484388573d094e3efe32a5e55368d19635c49a82483febf44bc2c39bf9be48ecfe30937c6c01aa81d16f15a6475c472b7f5eebcdb3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nbfile0.exe

Filesize
467KB

MD5
74869a0346ab36bbba85022612505121

SHA1
2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

SHA256
6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

SHA512
723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nbfile0.exe

Filesize
467KB

MD5
74869a0346ab36bbba85022612505121

SHA1
2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

SHA256
6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

SHA512
723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nbfile1.exe

Filesize
52KB

MD5
c4ddf11ebdbf9d8397d710d2cb4e2fab

SHA1
8008c97e7d6ff92deb3e1755a614f4afedca92b9

SHA256
67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

SHA512
3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nbfile1.exe

Filesize
52KB

MD5
c4ddf11ebdbf9d8397d710d2cb4e2fab

SHA1
8008c97e7d6ff92deb3e1755a614f4afedca92b9

SHA256
67a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6

SHA512
3c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9

Download Submit
C:\newsetup.vbs

Filesize
651B

MD5
4736e7158c27f244482f5a614b9dbdae

SHA1
d3a0e95a81e9e3ec95cfd596b25749a0e24e27b9

SHA256
b8229bc8d6b0013858fb9599cb510afa4566a439164b2c7444c449540a124acc

SHA512
cebf895dd3ec3822c42b78bac49c685b063cb5afcbcfb3850b073cb118d086c5fa75ec50b6e73d90e14f2c6b595752ad87910b8cf27378424d72a9ea309bf824

Download Submit
memory/1056-137-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/1056-139-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download