b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e

General

Target

b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.exe
Size

2.9MB
MD5

865d9c15f3b334855122ae3598b5470e
SHA1

d88ecd3a1e5d491272c6cc1554a3b7616e0a4e5b
SHA256

b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e
SHA512

2e041479fbc9b3164de89f1e68ef2f725141395f41b8752f22ff07a483b989e6df373633fa8da7438fe84245821b54dba78d73ab8ed9dd960d3bfadde1418cf1
SSDEEP

49152:S2dKgqFC/iTqHv7bb9NfQSvzZxPQUlsMuiRPzGjNBi+tsvDcRY0E:DARFpTIXhJ51xlax/7TtsvIlE

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
4620	TVJet.exe
2700	TVJet.exe

Loads dropped DLL 3 IoCs

pid	Process
4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.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	88.80.147.105

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\TVJet\is-DE5UQ.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-FMI0O.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-8OMMQ.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\UIText\is-2PUKS.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File opened for modification	C:\Program Files (x86)\Common Files\TVJet\unins000.dat	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-IT194.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-44U0U.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-SEA34.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-S2GFG.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-KTRDL.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-L0JUF.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-JALPA.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\unins000.dat	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-VA8TA.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-6ND0I.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-L76A2.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\UIText\is-GU63R.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File opened for modification	C:\Program Files (x86)\Common Files\TVJet\TVJet.exe	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
File created	C:\Program Files (x86)\Common Files\TVJet\is-G2AG9.tmp	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.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 4496 wrote to memory of 4840	4496	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.exe	86
PID 4496 wrote to memory of 4840	4496	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.exe	86
PID 4496 wrote to memory of 4840	4496	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.exe	86
PID 4840 wrote to memory of 3840	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	89
PID 4840 wrote to memory of 3840	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	89
PID 4840 wrote to memory of 3840	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	89
PID 4840 wrote to memory of 4620	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	91
PID 4840 wrote to memory of 4620	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	91
PID 4840 wrote to memory of 4620	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	91
PID 4840 wrote to memory of 4640	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	94
PID 4840 wrote to memory of 4640	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	94
PID 4840 wrote to memory of 4640	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	94
PID 4840 wrote to memory of 2700	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	92
PID 4840 wrote to memory of 2700	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	92
PID 4840 wrote to memory of 2700	4840	b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp	92
PID 4640 wrote to memory of 824	4640	net.exe	95
PID 4640 wrote to memory of 824	4640	net.exe	95
PID 4640 wrote to memory of 824	4640	net.exe	95

C:\Users\Admin\AppData\Local\Temp\b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.exe
"C:\Users\Admin\AppData\Local\Temp\b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Users\Admin\AppData\Local\Temp\is-3RJGV.tmp\b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-3RJGV.tmp\b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp" /SL5="$601D8,2757638,54272,C:\Users\Admin\AppData\Local\Temp\b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Query
    3⤵
    PID:3840
- - C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
    "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4620
- - C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
    "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2700
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 23
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4640
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 23
      4⤵
      PID:824

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\TVJet\TVJet.exe

Filesize
2.2MB

MD5
8d2e2242ecc00cebb833fd0057c87cf8

SHA1
5e6b95c8cd54c859c2cce94ee3899e9f470fc592

SHA256
fe6e5c7277afbf279c01b0dc64cb65ce2a15a586b3f1371753c2b9a6bc66a3f1

SHA512
497ba1d2693a7ac2353c26dbd74a64ce1a7f38be54f558e8cfcd24bbc97e6a4f195a59251023166e420b0a05aec11a42351a501ec9ed7f27ebc15daa01e56afb

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

Filesize
2.2MB

MD5
8d2e2242ecc00cebb833fd0057c87cf8

SHA1
5e6b95c8cd54c859c2cce94ee3899e9f470fc592

SHA256
fe6e5c7277afbf279c01b0dc64cb65ce2a15a586b3f1371753c2b9a6bc66a3f1

SHA512
497ba1d2693a7ac2353c26dbd74a64ce1a7f38be54f558e8cfcd24bbc97e6a4f195a59251023166e420b0a05aec11a42351a501ec9ed7f27ebc15daa01e56afb

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

Filesize
2.2MB

MD5
8d2e2242ecc00cebb833fd0057c87cf8

SHA1
5e6b95c8cd54c859c2cce94ee3899e9f470fc592

SHA256
fe6e5c7277afbf279c01b0dc64cb65ce2a15a586b3f1371753c2b9a6bc66a3f1

SHA512
497ba1d2693a7ac2353c26dbd74a64ce1a7f38be54f558e8cfcd24bbc97e6a4f195a59251023166e420b0a05aec11a42351a501ec9ed7f27ebc15daa01e56afb

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3RJGV.tmp\b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp

Filesize
683KB

MD5
f507ce43ea08d1721816ad4b0e090f50

SHA1
e4f02bcd410bddabea4c741838d9a88386547629

SHA256
d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

SHA512
37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3RJGV.tmp\b81e5fab5c23e92af7f92e55ef22c3ea32a8e1cb03ee6f22029b26d41c82901e.tmp

Filesize
683KB

MD5
f507ce43ea08d1721816ad4b0e090f50

SHA1
e4f02bcd410bddabea4c741838d9a88386547629

SHA256
d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

SHA512
37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CBC35.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CBC35.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CBC35.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/2700-90-0x0000000000840000-0x00000000008ED000-memory.dmp

Filesize
692KB

Download
memory/2700-99-0x0000000000840000-0x00000000008ED000-memory.dmp

Filesize
692KB

Download
memory/2700-118-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-115-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-112-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-108-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-105-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-68-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-102-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-98-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-71-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-95-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-75-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-76-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-79-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-82-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-85-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-88-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2700-89-0x0000000000840000-0x00000000008ED000-memory.dmp

Filesize
692KB

Download
memory/4496-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4496-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4496-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4620-60-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/4620-65-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/4620-64-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/4620-61-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/4840-72-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/4840-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-10-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download

Analysis

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