b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7

General

Target

b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.exe
Size

2.5MB
MD5

d30c4e33e384abe5666ed55b7df64828
SHA1

4e7132b4f2112762efd3dc1de5fd4f66522b5b50
SHA256

b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7
SHA512

2a8a5e03e2b3ab9660c6457c5bd83d82925e600ed0ab68bf783c369676c734d6ee3f22334f5c0fb68202a513dc5952c319512b5da54035b688ae198adb8107fa
SSDEEP

49152:c2bERBctaqluW8thU0kW2LTxMlR6bJl7Z/EqFtP9E5gWwXo4MLVH4RY0E:RO0lqtWJZMlkJlNdVE5nwCVYlE

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
4532	TVSmile.exe
3100	TVSmile.exe

Loads dropped DLL 1 IoCs

pid	Process
3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.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	81.31.197.8

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 19 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\TVSmile\unins000.dat	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-H2I73.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-AUCVO.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-CM01S.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File opened for modification	C:\Program Files (x86)\Common Files\TVSmile\unins000.dat	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File opened for modification	C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-OTFPL.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-H9N2P.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\UIText\is-D4TLG.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-55QPL.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-2P4K2.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-RI61A.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-MHFGV.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-FCJOG.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\UIText\is-9GUQL.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-NP1MK.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-U52NM.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-PAN57.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
File created	C:\Program Files (x86)\Common Files\TVSmile\is-FT3LG.tmp	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs net.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 3060	4260	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.exe	71
PID 4260 wrote to memory of 3060	4260	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.exe	71
PID 4260 wrote to memory of 3060	4260	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.exe	71
PID 3060 wrote to memory of 4560	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	72
PID 3060 wrote to memory of 4560	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	72
PID 3060 wrote to memory of 4560	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	72
PID 3060 wrote to memory of 4532	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	74
PID 3060 wrote to memory of 4532	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	74
PID 3060 wrote to memory of 4532	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	74
PID 3060 wrote to memory of 4016	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	77
PID 3060 wrote to memory of 4016	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	77
PID 3060 wrote to memory of 4016	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	77
PID 3060 wrote to memory of 3100	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	76
PID 3060 wrote to memory of 3100	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	76
PID 3060 wrote to memory of 3100	3060	b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp	76
PID 4016 wrote to memory of 4972	4016	net.exe	78
PID 4016 wrote to memory of 4972	4016	net.exe	78
PID 4016 wrote to memory of 4972	4016	net.exe	78

C:\Users\Admin\AppData\Local\Temp\b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.exe
"C:\Users\Admin\AppData\Local\Temp\b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Users\Admin\AppData\Local\Temp\is-OH47J.tmp\b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-OH47J.tmp\b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp" /SL5="$B01EE,2408051,54272,C:\Users\Admin\AppData\Local\Temp\b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Query
    3⤵
    PID:4560
- - C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
    "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4532
- - C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe
    "C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3100
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 25
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4016
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 25
      4⤵
      PID:4972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe

Filesize
2.4MB

MD5
20e94eef2a8d6bd184e1223f3a77cccd

SHA1
7bba68c51883a24b54373df118ac1c3020d6537a

SHA256
39faa6a73c21ec4cf82ebf099c49eab09e114f8f5cca1696670bbb920c1a9bda

SHA512
64d14e126cc64ed94c239de6a09703f1ee298060ac99f17ebcb8d37ed52396319e3afd36ead031bd994211d7de4c8d8160dee978bd6a24d7fdc83e462b2ed4bb

Download Submit
C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe

Filesize
2.4MB

MD5
20e94eef2a8d6bd184e1223f3a77cccd

SHA1
7bba68c51883a24b54373df118ac1c3020d6537a

SHA256
39faa6a73c21ec4cf82ebf099c49eab09e114f8f5cca1696670bbb920c1a9bda

SHA512
64d14e126cc64ed94c239de6a09703f1ee298060ac99f17ebcb8d37ed52396319e3afd36ead031bd994211d7de4c8d8160dee978bd6a24d7fdc83e462b2ed4bb

Download Submit
C:\Program Files (x86)\Common Files\TVSmile\TVSmile.exe

Filesize
2.4MB

MD5
20e94eef2a8d6bd184e1223f3a77cccd

SHA1
7bba68c51883a24b54373df118ac1c3020d6537a

SHA256
39faa6a73c21ec4cf82ebf099c49eab09e114f8f5cca1696670bbb920c1a9bda

SHA512
64d14e126cc64ed94c239de6a09703f1ee298060ac99f17ebcb8d37ed52396319e3afd36ead031bd994211d7de4c8d8160dee978bd6a24d7fdc83e462b2ed4bb

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-OH47J.tmp\b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp

Filesize
683KB

MD5
f507ce43ea08d1721816ad4b0e090f50

SHA1
e4f02bcd410bddabea4c741838d9a88386547629

SHA256
d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

SHA512
37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-OH47J.tmp\b4e6790700326e298140a886b1fe993aa6b3f2018ede01fedbe078851b5585d7.tmp

Filesize
683KB

MD5
f507ce43ea08d1721816ad4b0e090f50

SHA1
e4f02bcd410bddabea4c741838d9a88386547629

SHA256
d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

SHA512
37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

Download Submit
\Users\Admin\AppData\Local\Temp\is-G74TJ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3060-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3060-66-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3060-64-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3100-92-0x00000000008C0000-0x000000000096D000-memory.dmp

Filesize
692KB

Download
memory/3100-79-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-113-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-61-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-62-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-110-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-106-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-65-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-105-0x00000000008C0000-0x000000000096D000-memory.dmp

Filesize
692KB

Download
memory/3100-69-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-70-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-73-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-76-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-104-0x00000000008C0000-0x000000000096D000-memory.dmp

Filesize
692KB

Download
memory/3100-83-0x00000000008C0000-0x000000000096D000-memory.dmp

Filesize
692KB

Download
memory/3100-82-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-88-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-91-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-101-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-95-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/3100-98-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/4260-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4260-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4532-57-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/4532-53-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/4532-54-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download
memory/4532-58-0x0000000000400000-0x0000000000672000-memory.dmp

Filesize
2.4MB

Download

Analysis

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