ec042a891e156f8b9f0e58f0db1f571a9fe1e171c9340621c3c5c6a693713510

Analysis

max time kernel
147s
max time network
142s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
11/12/2023, 18:44

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General

Target

tuc7.exe
Size

7.5MB
MD5

3109f71976dc7fb206fdf343a8a9977a
SHA1

0a421b61e92ba8d569cfd3209b4817a1a9d9baa9
SHA256

ec042a891e156f8b9f0e58f0db1f571a9fe1e171c9340621c3c5c6a693713510
SHA512

41ce8fe5cfc66887cdd9875bbc197e8e836d3ae7dd764071a006a4b9d7cbc70335f3a4c79a028c8544196dc38a54274818fc11084e59ce4cdfe61073d60fb559
SSDEEP

196608:lWc5A2XV/1qTZGgnkphp0rAwZYGespRHDfY5cdV4qCzj:JDFyOTpBsLp1c5SV4qCzj

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2240	tuc7.tmp
1944	gifplayer.exe
2480	gifplayer.exe

Loads dropped DLL 6 IoCs

pid	Process
2780	tuc7.exe
2240	tuc7.tmp
2240	tuc7.tmp
2240	tuc7.tmp
2240	tuc7.tmp
2240	tuc7.tmp

Unexpected DNS network traffic destination 1 IoCs

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

description	ioc
Destination IP	141.98.234.31

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-ISV3S.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-KTMG8.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-P9915.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\lessmsi\is-BTJDG.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-TMOU6.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-KEGE8.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-LU4OH.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-TF41N.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-AN47N.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-TN79U.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-1351R.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\uninstall\is-MTMH7.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-SM71Q.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-8LQJ2.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-U7NNN.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-16QPK.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-O799I.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-FFLG4.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-JD4J7.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-874N2.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-RADIS.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-F2SPR.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-V4G2P.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-FGB6B.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-3VC16.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\is-J9V83.tmp	tuc7.tmp
File opened for modification	C:\Program Files (x86)\PlayGIF\gifplayer.exe	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-8IO5J.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-2IV77.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-NNSOD.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-FFI02.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-C8PLL.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-D54JM.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-5VA8R.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-2M0EH.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-M4KPU.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-51D7L.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-6LP1G.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\plugins\internal\is-EQKNP.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-VLH99.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-6UGL5.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-6HODM.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-A64J2.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-FUFH5.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\uninstall\unins000.dat	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-1O7SD.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-2IQF7.tmp	tuc7.tmp
File opened for modification	C:\Program Files (x86)\PlayGIF\uninstall\unins000.dat	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-JV99Q.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-8OJQP.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-1U6SL.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-ERBGN.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-879VG.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-71T0P.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-C18VJ.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-CFVV8.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-0RFBU.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-LQ38Q.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-6CQP1.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\plugins\internal\is-ASE4R.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-NQB6E.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-H0CBB.tmp	tuc7.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-15BM2.tmp	tuc7.tmp

Runs net.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2240	tuc7.tmp

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2240	2780	tuc7.exe	28
PID 2780 wrote to memory of 2240	2780	tuc7.exe	28
PID 2780 wrote to memory of 2240	2780	tuc7.exe	28
PID 2780 wrote to memory of 2240	2780	tuc7.exe	28
PID 2780 wrote to memory of 2240	2780	tuc7.exe	28
PID 2780 wrote to memory of 2240	2780	tuc7.exe	28
PID 2780 wrote to memory of 2240	2780	tuc7.exe	28
PID 2240 wrote to memory of 1924	2240	tuc7.tmp	29
PID 2240 wrote to memory of 1924	2240	tuc7.tmp	29
PID 2240 wrote to memory of 1924	2240	tuc7.tmp	29
PID 2240 wrote to memory of 1924	2240	tuc7.tmp	29
PID 2240 wrote to memory of 1944	2240	tuc7.tmp	31
PID 2240 wrote to memory of 1944	2240	tuc7.tmp	31
PID 2240 wrote to memory of 1944	2240	tuc7.tmp	31
PID 2240 wrote to memory of 1944	2240	tuc7.tmp	31
PID 2240 wrote to memory of 1040	2240	tuc7.tmp	32
PID 2240 wrote to memory of 1040	2240	tuc7.tmp	32
PID 2240 wrote to memory of 1040	2240	tuc7.tmp	32
PID 2240 wrote to memory of 1040	2240	tuc7.tmp	32
PID 2240 wrote to memory of 2480	2240	tuc7.tmp	33
PID 2240 wrote to memory of 2480	2240	tuc7.tmp	33
PID 2240 wrote to memory of 2480	2240	tuc7.tmp	33
PID 2240 wrote to memory of 2480	2240	tuc7.tmp	33
PID 1040 wrote to memory of 1176	1040	net.exe	35
PID 1040 wrote to memory of 1176	1040	net.exe	35
PID 1040 wrote to memory of 1176	1040	net.exe	35
PID 1040 wrote to memory of 1176	1040	net.exe	35

C:\Users\Admin\AppData\Local\Temp\tuc7.exe
"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\is-BIC8T.tmp\tuc7.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-BIC8T.tmp\tuc7.tmp" /SL5="$30148,7612629,68096,C:\Users\Admin\AppData\Local\Temp\tuc7.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Query
    3⤵
    PID:1924
- - C:\Program Files (x86)\PlayGIF\gifplayer.exe
    "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1944
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 11
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1040
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 11
      4⤵
      PID:1176
- - C:\Program Files (x86)\PlayGIF\gifplayer.exe
    "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2480

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

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

Filesize
2.4MB

MD5
0c7c1a94b023422208494aaab55ade0a

SHA1
ebe05ef79850a7920648ebbecc630744493178dd

SHA256
cd23410493fec4722966730c19d6cfbf20f48d5efd6fc16f9c45e6b4e3f873f7

SHA512
4f10ca9926991969650880c48d91cc74087befa2dfba0712a7b18a2afb6f7492c02af45dd3525c3332d31fc52b154f834217f0eb02f177f58ffdb79184f5d345

Download Submit
\Users\Admin\AppData\Local\Temp\is-BIC8T.tmp\tuc7.tmp

Filesize
687KB

MD5
f448d7f4b76e5c9c3a4eaff16a8b9b73

SHA1
31808f1ffa84c954376975b7cdb0007e6b762488

SHA256
7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

SHA512
f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

Download Submit
\Users\Admin\AppData\Local\Temp\is-H8AQB.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-H8AQB.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
\Users\Admin\AppData\Local\Temp\is-H8AQB.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1944-155-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1944-158-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1944-154-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1944-153-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2240-167-0x0000000003520000-0x0000000003786000-memory.dmp

Filesize
2.4MB

Download
memory/2240-164-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2240-8-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2240-151-0x0000000003520000-0x0000000003786000-memory.dmp

Filesize
2.4MB

Download
memory/2240-166-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2480-175-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-184-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-165-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-162-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-214-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-170-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-171-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-174-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-160-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-178-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-181-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-211-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-187-0x0000000002800000-0x000000000289E000-memory.dmp

Filesize
632KB

Download
memory/2480-188-0x0000000002800000-0x000000000289E000-memory.dmp

Filesize
632KB

Download
memory/2480-191-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-194-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-197-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-198-0x0000000002800000-0x000000000289E000-memory.dmp

Filesize
632KB

Download
memory/2480-201-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-204-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2480-207-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2780-163-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2780-1-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download