d9cd6884ad7518018efaa52cde9c0ed46fba959e9ea093c97e68004dbf2cad66

Resubmissions

06-07-2024 22:28

240706-2dxnjavcjk 10

Analysis

max time kernel
25s
max time network
32s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06-07-2024 22:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

winAPI.exe
Size

28.5MB
MD5

a6c1b27e646cf5904a69e45ffc8808d5
SHA1

7cbafd874594bf3ee91cc49d7fa8ec686b4cad80
SHA256

d9cd6884ad7518018efaa52cde9c0ed46fba959e9ea093c97e68004dbf2cad66
SHA512

b55adebe3be59f15eb66a80d2b328d20e3a7fb1aa8d666e37195855f0a510e9abaefe0ad58ec20e14b1d3426995c9e54c6fe9491704db44931a2777eb5e8c2c8
SSDEEP

393216:Em+sFHI7EzNFAUYl8XRQo/gCcT5NB35jmxEsYAwD6UWsNWcxjQl:Em+GCl3nNWclM

Score

7^/10

pyinstaller upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2356	zxyntj.exe
2460	zxyntj.exe

Loads dropped DLL 10 IoCs

pid	Process
2896	cmd.exe
2356	zxyntj.exe
2460	zxyntj.exe
2460	zxyntj.exe
2460	zxyntj.exe
2460	zxyntj.exe
2460	zxyntj.exe
2460	zxyntj.exe
2460	zxyntj.exe
1184	Process not Found

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0005000000019dd0-99.dat	upx

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x0008000000012119-1.dat	pyinstaller

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2896	2232	winAPI.exe	30
PID 2232 wrote to memory of 2896	2232	winAPI.exe	30
PID 2232 wrote to memory of 2896	2232	winAPI.exe	30
PID 2896 wrote to memory of 2356	2896	cmd.exe	32
PID 2896 wrote to memory of 2356	2896	cmd.exe	32
PID 2896 wrote to memory of 2356	2896	cmd.exe	32
PID 2356 wrote to memory of 2460	2356	zxyntj.exe	33
PID 2356 wrote to memory of 2460	2356	zxyntj.exe	33
PID 2356 wrote to memory of 2460	2356	zxyntj.exe	33

C:\Users\Admin\AppData\Local\Temp\winAPI.exe
"C:\Users\Admin\AppData\Local\Temp\winAPI.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "start C:\Users\Admin\AppData\Local\Temp\zxyntj.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Users\Admin\AppData\Local\Temp\zxyntj.exe
    C:\Users\Admin\AppData\Local\Temp\zxyntj.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2356
  - - C:\Users\Admin\AppData\Local\Temp\zxyntj.exe
      C:\Users\Admin\AppData\Local\Temp\zxyntj.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:2460

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI23562\api-ms-win-core-file-l2-1-0.dll

Filesize
18KB

MD5
bfffa7117fd9b1622c66d949bac3f1d7

SHA1
402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

SHA256
1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

SHA512
b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI23562\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
d12403ee11359259ba2b0706e5e5111c

SHA1
03cc7827a30fd1dee38665c0cc993b4b533ac138

SHA256
f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

SHA512
9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI23562\python311.dll

Filesize
1.6MB

MD5
db09c9bbec6134db1766d369c339a0a1

SHA1
c156d9f2d0e80b4cf41794cd9b8b1e8a352e0a0b

SHA256
b1aac1e461174bbae952434e4dac092590d72b9832a04457c94bd9bb7ee8ad79

SHA512
653a7fff6a2b6bffb9ea2c0b72ddb83c9c53d555e798eea47101b0d932358180a01af2b9dab9c27723057439c1eaffb8d84b9b41f6f9cd1c3c934f1794104d45

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI23562\ucrtbase.dll

Filesize
992KB

MD5
0e0bac3d1dcc1833eae4e3e4cf83c4ef

SHA1
4189f4459c54e69c6d3155a82524bda7549a75a6

SHA256
8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

SHA512
a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI23562\api-ms-win-core-file-l1-2-0.dll

Filesize
21KB

MD5
1c58526d681efe507deb8f1935c75487

SHA1
0e6d328faf3563f2aae029bc5f2272fb7a742672

SHA256
ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

SHA512
8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI23562\api-ms-win-core-localization-l1-2-0.dll

Filesize
21KB

MD5
724223109e49cb01d61d63a8be926b8f

SHA1
072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

SHA256
4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

SHA512
19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI23562\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
21KB

MD5
517eb9e2cb671ae49f99173d7f7ce43f

SHA1
4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

SHA256
57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

SHA512
492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

Download Submit
\Users\Admin\AppData\Local\Temp\zxyntj.exe

Filesize
11.6MB

MD5
19ee0c62d058248939477b1820914f2a

SHA1
27e2456ec9032f75c60408090227b3f4d988b2d0

SHA256
da789a7653878711e481cbb64cd70506ef0722fea35c4aef8c0f937c6d859544

SHA512
77251640b494a4757dbbc69414b43897f6b5f43169b6ab5ba7d0b60c4e0cefa18099c6fa8d42901ead2624b32207a227aa73bfd1871f3e50ce0219d7ba4408aa

Download Submit
memory/2460-101-0x000007FEF6670000-0x000007FEF6C58000-memory.dmp

Filesize
5.9MB

Download