69d64a5238c1ae6bd80b08662ef70ecdd39581c09ffc1eb24b0f24f6af08b4e1

Analysis

max time kernel
149s
max time network
144s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
11/12/2023, 15:50

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General

Target

tuc3.exe
Size

7.6MB
MD5

e64523ee35397551aa2aa2715e016046
SHA1

b44c8d31731a3adc57f4ab84ffff54c63e1cc781
SHA256

69d64a5238c1ae6bd80b08662ef70ecdd39581c09ffc1eb24b0f24f6af08b4e1
SHA512

ec9ac2d17e916e801e1a14b1ca57fe075bec768c0189842d8084890143402fdb636394023b662effe55c44479dc7f054cdb4f224812a4ef781f359938acd9bf2
SSDEEP

196608:tnnY8NWvGpWTTlm0OxwW+nFnfZsMUdFt30Dzj:tnnY8NELTIrxwlxQWDzj

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1368	tuc3.tmp
1960	gifplayer.exe
1372	gifplayer.exe

Loads dropped DLL 6 IoCs

pid	Process
1688	tuc3.exe
1368	tuc3.tmp
1368	tuc3.tmp
1368	tuc3.tmp
1368	tuc3.tmp
1368	tuc3.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	45.155.250.90

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 opened for modification	C:\Program Files (x86)\PlayGIF\uninstall\unins000.dat	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-HON2I.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-4N2BS.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\plugins\internal\is-IOHJ3.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-0OF62.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\plugins\internal\is-B8TFR.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-KP7VK.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-B8602.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-CS8KS.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-2MBD9.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-6V9A7.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-MTSCU.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-4QIRM.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-OPP60.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\uninstall\unins000.dat	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-0C4G9.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-5GMMS.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-ONNNR.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-2BH25.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-I2BA6.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-6QED6.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-V80RI.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-U1N6M.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-7CL8V.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-KB63A.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-UDQE4.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-KIOSJ.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-H26IQ.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-0OG5J.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\lessmsi\is-177A1.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-B9KD7.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-489SJ.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-JHD76.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-5RCBC.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-QGSDA.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-EPMVS.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-NQ9HS.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-89J7Q.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-0ILMR.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-HMI90.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-06L5E.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-TG62N.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-KM7O6.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-VMRDS.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-8JLDT.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-SNLMC.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-SMN25.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-LK35S.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-QOL2O.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-NPP2H.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-N8GVQ.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\is-FIKC2.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-VCE5P.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-NLAJR.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-IIBCA.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-K5GBM.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-C0C2V.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-BOLBG.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-D10PJ.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-Q1J14.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-ELMB6.tmp	tuc3.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-CEHUO.tmp	tuc3.tmp

Runs net.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1368	tuc3.tmp

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1368	1688	tuc3.exe	28
PID 1688 wrote to memory of 1368	1688	tuc3.exe	28
PID 1688 wrote to memory of 1368	1688	tuc3.exe	28
PID 1688 wrote to memory of 1368	1688	tuc3.exe	28
PID 1688 wrote to memory of 1368	1688	tuc3.exe	28
PID 1688 wrote to memory of 1368	1688	tuc3.exe	28
PID 1688 wrote to memory of 1368	1688	tuc3.exe	28
PID 1368 wrote to memory of 1652	1368	tuc3.tmp	29
PID 1368 wrote to memory of 1652	1368	tuc3.tmp	29
PID 1368 wrote to memory of 1652	1368	tuc3.tmp	29
PID 1368 wrote to memory of 1652	1368	tuc3.tmp	29
PID 1368 wrote to memory of 1960	1368	tuc3.tmp	31
PID 1368 wrote to memory of 1960	1368	tuc3.tmp	31
PID 1368 wrote to memory of 1960	1368	tuc3.tmp	31
PID 1368 wrote to memory of 1960	1368	tuc3.tmp	31
PID 1368 wrote to memory of 1072	1368	tuc3.tmp	32
PID 1368 wrote to memory of 1072	1368	tuc3.tmp	32
PID 1368 wrote to memory of 1072	1368	tuc3.tmp	32
PID 1368 wrote to memory of 1072	1368	tuc3.tmp	32
PID 1368 wrote to memory of 1372	1368	tuc3.tmp	33
PID 1368 wrote to memory of 1372	1368	tuc3.tmp	33
PID 1368 wrote to memory of 1372	1368	tuc3.tmp	33
PID 1368 wrote to memory of 1372	1368	tuc3.tmp	33
PID 1072 wrote to memory of 1124	1072	net.exe	35
PID 1072 wrote to memory of 1124	1072	net.exe	35
PID 1072 wrote to memory of 1124	1072	net.exe	35
PID 1072 wrote to memory of 1124	1072	net.exe	35

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:1688
- C:\Users\Admin\AppData\Local\Temp\is-P2A0U.tmp\tuc3.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-P2A0U.tmp\tuc3.tmp" /SL5="$6014E,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:1368
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Query
    3⤵
    PID:1652
- - C:\Program Files (x86)\PlayGIF\gifplayer.exe
    "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1960
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 11
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1072
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 11
      4⤵
      PID:1124
- - C:\Program Files (x86)\PlayGIF\gifplayer.exe
    "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1372

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
749KB

MD5
2a0432d7325cef4b8adcf57a46aadbb8

SHA1
7f72a33a319e7772cd36eda7bb77aa2a5e9d6648

SHA256
470aea90b01808e360e07948ff8e70aaaa6106badc293ccefa97ebc5358a2465

SHA512
f5272383f4284dcf6d2f7e111ab9d7cfc7c4c73b1f8d9e26d135346aad3b0bd162cc56a823dd5eccb2214b6550168b16fd6c10d5c7ef29c40daf4827705b5031

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

Filesize
2.5MB

MD5
e355143050a5d29b48db253aa0fc3703

SHA1
c7b3fd771ac7411102541cea03f68b0b606b092b

SHA256
17ada3e58c3103c36eb76f08248034a8ec6e619dc545896d022063edb0300165

SHA512
e6421be69ae85d7f64ffd9f9179dddd019a9c361ee9f237da223156b55b100cc1772bef7e7f61d784b92bf8c0bdde18338af6e08463161e5d0b165d2fe6409b1

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

Filesize
116KB

MD5
c6746e205eba893a52c05e01d30d4cb6

SHA1
fe6ecc406bb6a24857a258437d08c8c0c68b5863

SHA256
b1aaae3d27f6add3dd08132fc0c67084662dc3710f26d35aae2706c5df07ece2

SHA512
7cbab29f8e489cc33bea6b9b6a2b91e7421c34ca35ace2b99570998a0b0fa504a2b024e24d1fa19c42ff69f15d60ac2e36b1a286c50370fc93201b3e4622d4d5

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

Filesize
2.3MB

MD5
1d2145ba05e2a8bada76f5431acebec0

SHA1
70438d3029cfefc88906c34a4cd1217051a6c974

SHA256
a11afe44dfb7c89bea445458408aad3b413c1b37e9ce6ca4929f5415198b07b1

SHA512
ce1ab81bf7703d757e3f9335bf2afc4f6e555a873ff598b0dd849e4b099c065dfc12c16e4291e56adc74c389c65dc04ac2320d85f19487ceea15a1afc48c978d

Download Submit
\Users\Admin\AppData\Local\Temp\is-L3MO0.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-L3MO0.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
\Users\Admin\AppData\Local\Temp\is-L3MO0.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-P2A0U.tmp\tuc3.tmp

Filesize
687KB

MD5
f448d7f4b76e5c9c3a4eaff16a8b9b73

SHA1
31808f1ffa84c954376975b7cdb0007e6b762488

SHA256
7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

SHA512
f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

Download Submit
memory/1368-163-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1368-11-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1368-167-0x0000000003590000-0x000000000381F000-memory.dmp

Filesize
2.6MB

Download
memory/1368-165-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1368-151-0x0000000003590000-0x000000000381F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-166-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-170-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-160-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-197-0x00000000028C0000-0x000000000295E000-memory.dmp

Filesize
632KB

Download
memory/1372-164-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-200-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-206-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-210-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-213-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-203-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-171-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-174-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-175-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-178-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-181-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-184-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-187-0x00000000028C0000-0x000000000295E000-memory.dmp

Filesize
632KB

Download
memory/1372-190-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-193-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1372-196-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1688-162-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1688-1-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1960-158-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1960-155-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1960-154-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1960-153-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download