9d08ae69118892ea1c52c7de851489669381d7f22da553279f7294a647428dc5

Resubmissions

20-04-2024 07:35

240420-je38lacd2y 9

19-04-2024 20:29

240419-y9v8ssfe4z 9

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 20:29

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General

Target

Chaos.exe
Size

14.1MB
MD5

0f2af0b53a994fd35b805fc145d75d7f
SHA1

605eaa911754fa8f52af25d292b7230bb5cde454
SHA256

8468e629d2bd9b14889e565066bcaf369b53738eb01d05714e99bb16c59d0c07
SHA512

448ab9b91f082050b290b4c21be98ed3c89697f501cc4e7e33686fff9b75ab6ca48900b947d1da5337acb30f554beb96b95ef020e6157101d17eca2879a72b9c
SSDEEP

393216:jazOUkLXiKcjFVA87ODedSSCnomX/+MX36fqc4GXRF:6AKFVT7dSSTOPXUqcB

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Chaos.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Chaos.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Chaos.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Chaos.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Chaos.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Chaos.exe

Executes dropped EXE 1 IoCs

Processes:

Chaos.exe

pid process

2912 Chaos.exe

Loads dropped DLL 21 IoCs

Processes:

Chaos.exe

pid	process
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe
2912	Chaos.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral4/memory/3036-0-0x00007FF734B80000-0x00007FF735F6B000-memory.dmp	themida
behavioral4/memory/3036-2-0x00007FF734B80000-0x00007FF735F6B000-memory.dmp	themida
behavioral4/memory/3036-3-0x00007FF734B80000-0x00007FF735F6B000-memory.dmp	themida
behavioral4/memory/3036-74-0x00007FF734B80000-0x00007FF735F6B000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Chaos.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Chaos.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Chaos.exe

pid process

3036 Chaos.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Chaos.exe

description pid process

Token: SeDebugPrivilege 2912 Chaos.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Chaos.exe

pid	process
3036	Chaos.exe

description	pid	process
Token: SeDebugPrivilege	2912	Chaos.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Chaos.exeChaos.exe

description	pid	process	target process
PID 3036 wrote to memory of 2912	3036	Chaos.exe	Chaos.exe
PID 3036 wrote to memory of 2912	3036	Chaos.exe	Chaos.exe
PID 2912 wrote to memory of 1992	2912	Chaos.exe	cmd.exe
PID 2912 wrote to memory of 1992	2912	Chaos.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Chaos.exe
"C:\Users\Admin\AppData\Local\Temp\Chaos.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\Chaos.exe
  "C:\Users\Admin\AppData\Local\Temp\Chaos.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c
    3⤵
    PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_hashlib.pyd

Filesize
62KB

MD5
de4d104ea13b70c093b07219d2eff6cb

SHA1
83daf591c049f977879e5114c5fea9bbbfa0ad7b

SHA256
39bc615842a176db72d4e0558f3cdcae23ab0623ad132f815d21dcfbfd4b110e

SHA512
567f703c2e45f13c6107d767597dba762dc5caa86024c87e7b28df2d6c77cd06d3f1f97eed45e6ef127d5346679fea89ac4dc2c453ce366b6233c0fa68d82692

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\libssl-1_1.dll

Filesize
686KB

MD5
8769adafca3a6fc6ef26f01fd31afa84

SHA1
38baef74bdd2e941ccd321f91bfd49dacc6a3cb6

SHA256
2aebb73530d21a2273692a5a3d57235b770daf1c35f60c74e01754a5dac05071

SHA512
fac22f1a2ffbfb4789bdeed476c8daf42547d40efe3e11b41fadbc4445bb7ca77675a31b5337df55fdeb4d2739e0fb2cbcac2feabfd4cd48201f8ae50a9bd90b

Download Submit
C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\select.pyd

Filesize
28KB

MD5
97ee623f1217a7b4b7de5769b7b665d6

SHA1
95b918f3f4c057fb9c878c8cc5e502c0bd9e54c0

SHA256
0046eb32f873cde62cf29af02687b1dd43154e9fd10e0aa3d8353d3debb38790

SHA512
20edc7eae5c0709af5c792f04a8a633d416da5a38fc69bd0409afe40b7fb1afa526de6fe25d8543ece9ea44fd6baa04a9d316ac71212ae9638bdef768e661e0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\Chaos.exe

Filesize
18.9MB

MD5
3e46741808811d8f1c8207e6e84bbdfa

SHA1
c866be7bdd05ee858562c2689c2c653040faf546

SHA256
a16b7f0b39f178f1bc66ad6a103265bd5f283b0484ae137f3de035b808e1c51d

SHA512
4b224768992170399b5e442c724460ac67d5f2758b2add7329b79b65be22e414361eb92e3ebe0dcb1b1dcd0e80547688eab67bf36e0779a663191c0189663a30

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\VCRUNTIME140.dll

Filesize
96KB

MD5
f12681a472b9dd04a812e16096514974

SHA1
6fd102eb3e0b0e6eef08118d71f28702d1a9067c

SHA256
d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8

SHA512
7d3accbf84de73fb0c5c0de812a9ed600d39cd7ed0f99527ca86a57ce63f48765a370e913e3a46ffc2ccd48ee07d823dafdd157710eef9e7cc1eb7505dc323a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\_bz2.pyd

Filesize
81KB

MD5
4101128e19134a4733028cfaafc2f3bb

SHA1
66c18b0406201c3cfbba6e239ab9ee3dbb3be07d

SHA256
5843872d5e2b08f138a71fe9ba94813afee59c8b48166d4a8eb0f606107a7e80

SHA512
4f2fc415026d7fd71c5018bc2ffdf37a5b835a417b9e5017261849e36d65375715bae148ce8f9649f9d807a63ac09d0fb270e4abae83dfa371d129953a5422ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\_ctypes.pyd

Filesize
120KB

MD5
6a9ca97c039d9bbb7abf40b53c851198

SHA1
01bcbd134a76ccd4f3badb5f4056abedcff60734

SHA256
e662d2b35bb48c5f3432bde79c0d20313238af800968ba0faa6ea7e7e5ef4535

SHA512
dedf7f98afc0a94a248f12e4c4ca01b412da45b926da3f9c4cbc1d2cbb98c8899f43f5884b1bf1f0b941edaeef65612ea17438e67745962ff13761300910960d

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\_lzma.pyd

Filesize
154KB

MD5
337b0e65a856568778e25660f77bc80a

SHA1
4d9e921feaee5fa70181eba99054ffa7b6c9bb3f

SHA256
613de58e4a9a80eff8f8bc45c350a6eaebf89f85ffd2d7e3b0b266bf0888a60a

SHA512
19e6da02d9d25ccef06c843b9f429e6b598667270631febe99a0d12fc12d5da4fb242973a8351d3bf169f60d2e17fe821ad692038c793ce69dfb66a42211398e

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\_queue.pyd

Filesize
30KB

MD5
ff8300999335c939fcce94f2e7f039c0

SHA1
4ff3a7a9d9ca005b5659b55d8cd064d2eb708b1a

SHA256
2f71046891ba279b00b70eb031fe90b379dbe84559cf49ce5d1297ea6bf47a78

SHA512
f29b1fd6f52130d69c8bd21a72a71841bf67d54b216febcd4e526e81b499b9b48831bb7cdff0bff6878aab542ca05d6326b8a293f2fb4dd95058461c0fd14017

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\_socket.pyd

Filesize
76KB

MD5
8140bdc5803a4893509f0e39b67158ce

SHA1
653cc1c82ba6240b0186623724aec3287e9bc232

SHA256
39715ef8d043354f0ab15f62878530a38518fb6192bc48da6a098498e8d35769

SHA512
d0878fee92e555b15e9f01ce39cfdc3d6122b41ce00ec3a4a7f0f661619f83ec520dca41e35a1e15650fb34ad238974fe8019577c42ca460dde76e3891b0e826

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\_ssl.pyd

Filesize
155KB

MD5
069bccc9f31f57616e88c92650589bdd

SHA1
050fc5ccd92af4fbb3047be40202d062f9958e57

SHA256
cb42e8598e3fa53eeebf63f2af1730b9ec64614bda276ab2cd1f1c196b3d7e32

SHA512
0e5513fbe42987c658dba13da737c547ff0b8006aecf538c2f5cf731c54de83e26889be62e5c8a10d2c91d5ada4d64015b640dab13130039a5a8a5ab33a723dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\charset_normalizer\md.pyd

Filesize
10KB

MD5
723ec2e1404ae1047c3ef860b9840c29

SHA1
8fc869b92863fb6d2758019dd01edbef2a9a100a

SHA256
790a11aa270523c2efa6021ce4f994c3c5a67e8eaaaf02074d5308420b68bd94

SHA512
2e323ae5b816adde7aaa14398f1fdb3efe15a19df3735a604a7db6cadc22b753046eab242e0f1fbcd3310a8fbb59ff49865827d242baf21f44fd994c3ac9a878

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\charset_normalizer\md__mypyc.pyd

Filesize
116KB

MD5
9ea8098d31adb0f9d928759bdca39819

SHA1
e309c85c1c8e6ce049eea1f39bee654b9f98d7c5

SHA256
3d9893aa79efd13d81fcd614e9ef5fb6aad90569beeded5112de5ed5ac3cf753

SHA512
86af770f61c94dfbf074bcc4b11932bba2511caa83c223780112bda4ffb7986270dc2649d4d3ea78614dbce6f7468c8983a34966fc3f2de53055ac6b5059a707

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\libcrypto-1_1.dll

Filesize
3.3MB

MD5
6f4b8eb45a965372156086201207c81f

SHA1
8278f9539463f0a45009287f0516098cb7a15406

SHA256
976ce72efd0a8aeeb6e21ad441aa9138434314ea07f777432205947cdb149541

SHA512
2c5c54842aba9c82fb9e7594ae9e264ac3cbdc2cc1cd22263e9d77479b93636799d0f28235ac79937070e40b04a097c3ea3b7e0cd4376a95ed8ca90245b7891f

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\libffi-8.dll

Filesize
34KB

MD5
32d36d2b0719db2b739af803c5e1c2f5

SHA1
023c4f1159a2a05420f68daf939b9ac2b04ab082

SHA256
128a583e821e52b595eb4b3dda17697d3ca456ee72945f7ecce48ededad0e93c

SHA512
a0a68cfc2f96cb1afd29db185c940e9838b6d097d2591b0a2e66830dd500e8b9538d170125a00ee8c22b8251181b73518b73de94beeedd421d3e888564a111c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\psutil\_psutil_windows.pyd

Filesize
65KB

MD5
3cba71b6bc59c26518dc865241add80a

SHA1
7e9c609790b1de110328bbbcbb4cd09b7150e5bd

SHA256
e10b73d6e13a5ae2624630f3d8535c5091ef403db6a00a2798f30874938ee996

SHA512
3ef7e20e382d51d93c707be930e12781636433650d0a2c27e109ebebeba1f30ea3e7b09af985f87f67f6b9d2ac6a7a717435f94b9d1585a9eb093a83771b43f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\python3.dll

Filesize
64KB

MD5
34e49bb1dfddf6037f0001d9aefe7d61

SHA1
a25a39dca11cdc195c9ecd49e95657a3e4fe3215

SHA256
4055d1b9e553b78c244143ab6b48151604003b39a9bf54879dee9175455c1281

SHA512
edb715654baaf499cf788bcacd5657adcf9f20b37b02671abe71bda334629344415ed3a7e95cb51164e66a7aa3ed4bf84acb05649ccd55e3f64036f3178b7856

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\python311.dll

Filesize
5.5MB

MD5
9a24c8c35e4ac4b1597124c1dcbebe0f

SHA1
f59782a4923a30118b97e01a7f8db69b92d8382a

SHA256
a0cf640e756875c25c12b4a38ba5f2772e8e512036e2ac59eb8567bf05ffbfb7

SHA512
9d9336bf1f0d3bc9ce4a636a5f4e52c5f9487f51f00614fc4a34854a315ce7ea8be328153812dbd67c45c75001818fa63317eba15a6c9a024fa9f2cab163165b

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\unicodedata.pyd

Filesize
1.1MB

MD5
bc58eb17a9c2e48e97a12174818d969d

SHA1
11949ebc05d24ab39d86193b6b6fcff3e4733cfd

SHA256
ecf7836aa0d36b5880eb6f799ec402b1f2e999f78bfff6fb9a942d1d8d0b9baa

SHA512
4aa2b2ce3eb47503b48f6a888162a527834a6c04d3b49c562983b4d5aad9b7363d57aef2e17fe6412b89a9a3b37fb62a4ade4afc90016e2759638a17b1deae6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_3036_133580322621062561\zstandard\backend_c.pyd

Filesize
512KB

MD5
dc08f04c9e03452764b4e228fc38c60b

SHA1
317bcc3f9c81e2fc81c86d5a24c59269a77e3824

SHA256
b990efbda8a50c49cd7fde5894f3c8f3715cb850f8cc4c10bc03fd92e310260f

SHA512
fbc24dd36af658cece54be14c1118af5fda4e7c5b99d22f99690a1fd625cc0e8aa41fd9accd1c74bb4b03d494b6c3571b24f2ee423aaae9a5ad50adc583c52f7

Download Submit
memory/2912-75-0x00007FF6D6140000-0x00007FF6D7470000-memory.dmp

Filesize
19.2MB

Download
memory/3036-1-0x00007FF9E4B30000-0x00007FF9E4D25000-memory.dmp

Filesize
2.0MB

Download
memory/3036-2-0x00007FF734B80000-0x00007FF735F6B000-memory.dmp

Filesize
19.9MB

Download
memory/3036-3-0x00007FF734B80000-0x00007FF735F6B000-memory.dmp

Filesize
19.9MB

Download
memory/3036-0-0x00007FF734B80000-0x00007FF735F6B000-memory.dmp

Filesize
19.9MB

Download
memory/3036-74-0x00007FF734B80000-0x00007FF735F6B000-memory.dmp

Filesize
19.9MB

Download
memory/3036-78-0x00007FF9E4B30000-0x00007FF9E4D25000-memory.dmp

Filesize
2.0MB

Download