271fbd21291bc0a1c9b2fd5a6d39628ccce6e4e588487c8124dc2f4f32232ad5

Analysis

max time kernel
144s
max time network
150s
platform
windows7_x64
resource
win7-20231130-en
resource tags

arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
submitted
11/12/2023, 16:45

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General

Target

tuc3.exe
Size

7.6MB
MD5

1947966c5cb027a38004295386cb6e3c
SHA1

d550431f0e529b2a2b289df4fbd1c28e77c080ed
SHA256

271fbd21291bc0a1c9b2fd5a6d39628ccce6e4e588487c8124dc2f4f32232ad5
SHA512

919b6b56f340c816903f07faf666bde51348afbd6a4a2582f85eb49a0c7d2691e84b84397390db0e75a287cf4203c2b4695a442fb6b8c227f40f307b4338dc73
SSDEEP

196608:EnnY8NWvGpWTTlm0OxwW+nFnfZsMUdFt30Dzj:EnnY8NELTIrxwlxQWDzj

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2980	tuc3.tmp
2168	gifplayer.exe
1200	gifplayer.exe

Loads dropped DLL 6 IoCs

pid	Process
2528	tuc3.exe
2980	tuc3.tmp
2980	tuc3.tmp
2980	tuc3.tmp
2980	tuc3.tmp
2980	tuc3.tmp

Unexpected DNS network traffic destination 2 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	45.155.250.90
Destination IP	152.89.198.214

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 63 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-295IE.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-GV3R1.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-O2R6G.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-MCA7I.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-RADF1.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-TC9PT.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-9UD12.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-TEN9L.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-KI3C9.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-6LJ4U.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-U580G.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-7CO7Q.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-ASGVF.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-HV5B6.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-IP230.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-8KU52.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-QVH8A.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-S2J8F.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\lessmsi\is-NU99B.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-RRDUU.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-DBRGF.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-VAE98.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-TNM63.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-15QUN.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-J0SRG.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-VKJQT.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\is-9PNRB.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-RAR8J.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-SF5KC.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-RILS9.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-8A67R.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-U8SO5.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-9OV6L.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-KM628.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-7ER6F.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-49BEQ.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-5U08A.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-R0EAH.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-UT83V.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\plugins\internal\is-0TARO.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-EVPE0.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-BT73U.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-DLAE4.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-A0722.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-SUGSN.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-C2LNO.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-P3G8J.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-S6JUN.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-05B6K.tmp	tuc3.tmp
File opened for modification	C:\Program Files (x86)\PlayGIF\uninstall\unins000.dat	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-PB8FE.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-R4SNF.tmp	tuc3.tmp
File opened for modification	C:\Program Files (x86)\PlayGIF\gifplayer.exe	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\uninstall\is-G9LK7.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-2AL2S.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-5L5GA.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-7NA3R.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-337MS.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-CL09U.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\plugins\internal\is-L7LF8.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\uninstall\unins000.dat	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-I8A9Q.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-OCUBO.tmp	tuc3.tmp

Runs net.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2980	tuc3.tmp

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2980	2528	tuc3.exe	28
PID 2528 wrote to memory of 2980	2528	tuc3.exe	28
PID 2528 wrote to memory of 2980	2528	tuc3.exe	28
PID 2528 wrote to memory of 2980	2528	tuc3.exe	28
PID 2528 wrote to memory of 2980	2528	tuc3.exe	28
PID 2528 wrote to memory of 2980	2528	tuc3.exe	28
PID 2528 wrote to memory of 2980	2528	tuc3.exe	28
PID 2980 wrote to memory of 2732	2980	tuc3.tmp	29
PID 2980 wrote to memory of 2732	2980	tuc3.tmp	29
PID 2980 wrote to memory of 2732	2980	tuc3.tmp	29
PID 2980 wrote to memory of 2732	2980	tuc3.tmp	29
PID 2980 wrote to memory of 2168	2980	tuc3.tmp	31
PID 2980 wrote to memory of 2168	2980	tuc3.tmp	31
PID 2980 wrote to memory of 2168	2980	tuc3.tmp	31
PID 2980 wrote to memory of 2168	2980	tuc3.tmp	31
PID 2980 wrote to memory of 2748	2980	tuc3.tmp	35
PID 2980 wrote to memory of 2748	2980	tuc3.tmp	35
PID 2980 wrote to memory of 2748	2980	tuc3.tmp	35
PID 2980 wrote to memory of 2748	2980	tuc3.tmp	35
PID 2980 wrote to memory of 1200	2980	tuc3.tmp	34
PID 2980 wrote to memory of 1200	2980	tuc3.tmp	34
PID 2980 wrote to memory of 1200	2980	tuc3.tmp	34
PID 2980 wrote to memory of 1200	2980	tuc3.tmp	34
PID 2748 wrote to memory of 1652	2748	net.exe	32
PID 2748 wrote to memory of 1652	2748	net.exe	32
PID 2748 wrote to memory of 1652	2748	net.exe	32
PID 2748 wrote to memory of 1652	2748	net.exe	32

C:\Users\Admin\AppData\Local\Temp\tuc3.exe
"C:\Users\Admin\AppData\Local\Temp\tuc3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\is-ME9DI.tmp\tuc3.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-ME9DI.tmp\tuc3.tmp" /SL5="$400E0,7715663,68096,C:\Users\Admin\AppData\Local\Temp\tuc3.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Query
    3⤵
    PID:2732
- - C:\Program Files (x86)\PlayGIF\gifplayer.exe
    "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2168
- - C:\Program Files (x86)\PlayGIF\gifplayer.exe
    "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1200
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 11
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2748

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 helpmsg 11
1⤵
PID:1652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\PlayGIF\gifplayer.exe

Filesize
1.0MB

MD5
028953e7bf625eddf0e7d666bacd0749

SHA1
4b8bd1d567260a93da931c651cea0d4d2055885b

SHA256
971c24fc9585fbda48c7b99320e15238f7e8b4f0dc9c4a53a7b9158ebfaba881

SHA512
febcdd128f5dd33d59b6066715bbdb8f9c2389c83ca1a92c89bea8965196e0467f97e083efa2e7f2a06b10183186ab9477aa37c347db4ea2646ce7e58ff0054a

Download Submit
C:\Program Files (x86)\PlayGIF\gifplayer.exe

Filesize
180KB

MD5
f72d1c6b6e7f70016a13d31396b4d8bc

SHA1
6125ab337e441445e56664db33979c30d9abf3b0

SHA256
da1c8fbc4a9b303ea7927d7b8cdbe1ad047cd327f9883324e64d1cf23d2fee51

SHA512
0246c03f1bc2e5b98ec97ca24d32ebe77a3ef6b41133c6d2b6eeb6387aec7a85e1df3fd46b3bb01a02811b9dd9d84cbab2a593839b9e3470ec882dc650b25495

Download Submit
C:\Program Files (x86)\PlayGIF\gifplayer.exe

Filesize
175KB

MD5
6f27981fbee15351ee2196ddc9f2a101

SHA1
046f323c468b1b6342e526bccbef80d52947ba82

SHA256
9073a38f65034500882f4db1255de4942231b0a4f9032966757759eb305c58ee

SHA512
1b1fd057d93dc47c3a14e26c4a70d7f2867822b912e2303cfcaa70d24983853e9735ebdad804618251b533379f9db5acbb6cd1b0964f49cb778f23436b6d31ed

Download Submit
\Program Files (x86)\PlayGIF\gifplayer.exe

Filesize
1.5MB

MD5
31536593a7b019409332fafae5cd117f

SHA1
dc6ac7419777e232dbd7e7c42cc681dc66b267a4

SHA256
ff9b93cc089ea5a31fd973e071f3a46f6f26e2b945074fd3ca6f02ffd50c1091

SHA512
3599853af7307ed047b1882e0fb6f78ce87be344f17b04210c05db8cc51465c789e7d8448a0cba66a4730c998879b1d441c5ec3d39565a4df137d3d75a8d8a30

Download Submit
\Users\Admin\AppData\Local\Temp\is-DU43F.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-DU43F.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
\Users\Admin\AppData\Local\Temp\is-DU43F.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-ME9DI.tmp\tuc3.tmp

Filesize
687KB

MD5
f448d7f4b76e5c9c3a4eaff16a8b9b73

SHA1
31808f1ffa84c954376975b7cdb0007e6b762488

SHA256
7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

SHA512
f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

Download Submit
memory/1200-182-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-191-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-210-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-207-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-204-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-160-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-201-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-198-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-195-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-162-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-194-0x00000000028A0000-0x000000000293E000-memory.dmp

Filesize
632KB

Download
memory/1200-188-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-165-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-183-0x00000000028A0000-0x000000000293E000-memory.dmp

Filesize
632KB

Download
memory/1200-169-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-170-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-173-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-176-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1200-179-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/2168-154-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/2168-158-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/2168-157-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/2168-153-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/2528-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2528-163-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2528-2-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2980-166-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2980-151-0x00000000037B0000-0x0000000003A3F000-memory.dmp

Filesize
2.6MB

Download
memory/2980-164-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2980-15-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download