792fcca86eed9eb7f163070e74e06d7aea0ff8db5a7854fd8a054322b72b14db

Analysis

max time kernel
144s
max time network
149s
platform
windows7_x64
resource
win7-20231130-en
resource tags

arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
submitted
11/12/2023, 16:28

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General

Target

tuc5.exe
Size

7.5MB
MD5

ab36eeea8b8c643ee4a34f9cccb7331f
SHA1

bf22b296375665dec5f926660aaef9e4c52da9cb
SHA256

792fcca86eed9eb7f163070e74e06d7aea0ff8db5a7854fd8a054322b72b14db
SHA512

d3b55c6aa150a4ca13be425f0482cfeda7c674bfe27d895648584465baf70cb1a8d9fb15da2ed4f7df9fb364e5eda07afc48e270e82d2caabeb54ac1a99ae5db
SSDEEP

196608:SO78pimeIjZMmsj7bXzjl3iT1A9SG7ul2xdVNWiYmJE6RI6zj:r78pimNjMDzjl3dQAdVN1YyRPzj

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2540	tuc5.tmp
1068	gifplayer.exe
1588	gifplayer.exe

Loads dropped DLL 6 IoCs

pid	Process
2212	tuc5.exe
2540	tuc5.tmp
2540	tuc5.tmp
2540	tuc5.tmp
2540	tuc5.tmp
2540	tuc5.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	81.31.197.38
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-0OB67.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-TTQ08.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-R2BDG.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-IG0K0.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-QK5FT.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-KK4L9.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-JJ0BD.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-EV47J.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-197DU.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-7GLVI.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\plugins\internal\is-ANCTU.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-6D7F6.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-IM6I1.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-C9QCQ.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-T8VGQ.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-TRB1C.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-NPVS0.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-QKMJ4.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\uninstall\is-BF2RG.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\stuff\is-FI6OT.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-LA658.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-LNVOH.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-Q7UVM.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-08IDS.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-8A1FS.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\is-5NAAJ.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\uninstall\unins000.dat	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-KHHM9.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-BV5IN.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\lessmsi\is-6IJ2T.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-5D16Q.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-UT3D8.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-Q646H.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-I8T84.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-6GRRA.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-4VLCC.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-HJP33.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-LHTHT.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-F4KU8.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-9SPN7.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-FP5QI.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-660I2.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\plugins\internal\is-6RIM0.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-7FNP4.tmp	tuc5.tmp
File opened for modification	C:\Program Files (x86)\PlayGIF\uninstall\unins000.dat	tuc5.tmp
File opened for modification	C:\Program Files (x86)\PlayGIF\gifplayer.exe	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-5EP8B.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-82SNF.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-4M61F.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-I9RDJ.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-7E4FH.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-C790O.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-FK7QU.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-QEUTT.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-LK2KK.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-C59O7.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-0JOP3.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-UIOOK.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-9RUI7.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-AVVUH.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-75ECD.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-0D53N.tmp	tuc5.tmp
File created	C:\Program Files (x86)\PlayGIF\bin\x86\is-ETJHP.tmp	tuc5.tmp

Runs net.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2540	tuc5.tmp

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2540	2212	tuc5.exe	28
PID 2212 wrote to memory of 2540	2212	tuc5.exe	28
PID 2212 wrote to memory of 2540	2212	tuc5.exe	28
PID 2212 wrote to memory of 2540	2212	tuc5.exe	28
PID 2212 wrote to memory of 2540	2212	tuc5.exe	28
PID 2212 wrote to memory of 2540	2212	tuc5.exe	28
PID 2212 wrote to memory of 2540	2212	tuc5.exe	28
PID 2540 wrote to memory of 2528	2540	tuc5.tmp	29
PID 2540 wrote to memory of 2528	2540	tuc5.tmp	29
PID 2540 wrote to memory of 2528	2540	tuc5.tmp	29
PID 2540 wrote to memory of 2528	2540	tuc5.tmp	29
PID 2540 wrote to memory of 1068	2540	tuc5.tmp	31
PID 2540 wrote to memory of 1068	2540	tuc5.tmp	31
PID 2540 wrote to memory of 1068	2540	tuc5.tmp	31
PID 2540 wrote to memory of 1068	2540	tuc5.tmp	31
PID 2540 wrote to memory of 2548	2540	tuc5.tmp	32
PID 2540 wrote to memory of 2548	2540	tuc5.tmp	32
PID 2540 wrote to memory of 2548	2540	tuc5.tmp	32
PID 2540 wrote to memory of 2548	2540	tuc5.tmp	32
PID 2540 wrote to memory of 1588	2540	tuc5.tmp	33
PID 2540 wrote to memory of 1588	2540	tuc5.tmp	33
PID 2540 wrote to memory of 1588	2540	tuc5.tmp	33
PID 2540 wrote to memory of 1588	2540	tuc5.tmp	33
PID 2548 wrote to memory of 2700	2548	net.exe	35
PID 2548 wrote to memory of 2700	2548	net.exe	35
PID 2548 wrote to memory of 2700	2548	net.exe	35
PID 2548 wrote to memory of 2700	2548	net.exe	35

C:\Users\Admin\AppData\Local\Temp\tuc5.exe
"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\is-93IHD.tmp\tuc5.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-93IHD.tmp\tuc5.tmp" /SL5="$5014A,7611198,68096,C:\Users\Admin\AppData\Local\Temp\tuc5.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Query
    3⤵
    PID:2528
- - C:\Program Files (x86)\PlayGIF\gifplayer.exe
    "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1068
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 11
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2548
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 11
      4⤵
      PID:2700
- - C:\Program Files (x86)\PlayGIF\gifplayer.exe
    "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1588

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
2.3MB

MD5
523f85215791c04e6496302539a0127c

SHA1
92aec6603e8f98d6e4806bf0d56c133fb78b9fbb

SHA256
59aaaee153a26f262af2a28819951208a4275d57369f3fe56ac73aa60425b0eb

SHA512
0621e5ef9cd881b695dd804c46ca0ec105509d9b4647dff6b66d733954b9f2f1dccbf286e08f84f3996cd541fe5fc431e53962b1665034385513f12cce542bed

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

Filesize
960KB

MD5
83946e53e52b20a47607bb7d3ce1ff4b

SHA1
70e8de8678f73930295d47b4aea71c2fe36e71b0

SHA256
519ab1bd882629f52e70dcb8b746e394143954cde31efe31093cfb2fbfab4a6f

SHA512
af9b2fb1d57a6dcfafffd682719fcf51732f2ab0f81f6ff60d6af4ba91c84718d625c34761605779287708ad1b43a8f342a8c387f82d877a48c96742e9bd293a

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

Filesize
80KB

MD5
44e1eb0017dee1b86dac20d24948460f

SHA1
02750083e43cd9fe40553095443bd76bc077f01f

SHA256
34cac22f7658e9d6cb2e6b05720a2d52d7fc66e6a90a2180b3808808a2d51ced

SHA512
5218c4a3370f4706830ab5af0a16db92d7a77f8b0d61284e73181c87c8da9e14a5c7fff1bb484328ae40ded38c65ca79e73e2330646b6540de7a8c403ce4d140

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

Filesize
2.1MB

MD5
bfd8b014dfab9392c7da239ad6f2d6f3

SHA1
825f05564da8824670117989c23ccbb26aa04673

SHA256
89885f5e8cc5e3ddcb09a862f96c23a4e45f5ed112f543aa448be0f73461d6a7

SHA512
dd5f9d5897b19acbe9f86342aeb4eef7c1a367daac18551cb78164f5e79204d47f7fff87928f97690c11f69437672b7318531e7e44c491d8ac44a2bc1f6bb237

Download Submit
\Users\Admin\AppData\Local\Temp\is-6K6OQ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-6K6OQ.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
\Users\Admin\AppData\Local\Temp\is-6K6OQ.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-93IHD.tmp\tuc5.tmp

Filesize
687KB

MD5
f448d7f4b76e5c9c3a4eaff16a8b9b73

SHA1
31808f1ffa84c954376975b7cdb0007e6b762488

SHA256
7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

SHA512
f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

Download Submit
memory/1068-156-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1068-153-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1068-158-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1068-154-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-162-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-171-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-211-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-160-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-199-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-196-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-208-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-165-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-205-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-202-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-170-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-195-0x00000000028C0000-0x000000000295E000-memory.dmp

Filesize
632KB

Download
memory/1588-174-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-177-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-180-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-183-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-184-0x00000000028C0000-0x000000000295E000-memory.dmp

Filesize
632KB

Download
memory/1588-189-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1588-192-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2212-1-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2212-163-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2540-152-0x0000000003790000-0x00000000039F6000-memory.dmp

Filesize
2.4MB

Download
memory/2540-169-0x0000000003790000-0x00000000039F6000-memory.dmp

Filesize
2.4MB

Download
memory/2540-166-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2540-164-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2540-15-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download