18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c

General

Target

18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.exe
Size

3.1MB
MD5

e37bc86f961d278ce1bc3e3eeb5a4b8c
SHA1

c6ece1389e941098ed949d0baa8643a1cb8ee051
SHA256

18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c
SHA512

bd50b304f69b902e240e362a34e4e885624f5db59d380c5ed66264f5fa5bf45f50a0b7a990ad59abdffc87f9b7cd202307adffb989f0021eecaea11bf54d5108
SSDEEP

98304:WBv34wJdwxEe/5X0BSbGJvIoLyTMQbNwVxXu0rZ0:qty+BmwIoOrUx+6q

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
3912	KAudioConverter.exe
4984	KAudioConverter.exe

Loads dropped DLL 3 IoCs

pid	Process
3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.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	51.159.66.125

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 18 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\KAudioConverter\is-NNV9I.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-OI2SS.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File opened for modification	C:\Program Files (x86)\KAudioConverter\KAudioConverter.exe	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-1VCHA.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\unins000.dat	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-Q4M4O.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\XML\Styles\is-U608Q.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\XML\Styles\is-2EUFV.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-QJ277.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-4F96F.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-OSFTL.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-GR5SB.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-LAEI9.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\XML\Styles\is-I1V7L.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File opened for modification	C:\Program Files (x86)\KAudioConverter\unins000.dat	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-BL6P8.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-U4TI7.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
File created	C:\Program Files (x86)\KAudioConverter\is-78LJF.tmp	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 3852	1952	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.exe	88
PID 1952 wrote to memory of 3852	1952	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.exe	88
PID 1952 wrote to memory of 3852	1952	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.exe	88
PID 3852 wrote to memory of 3956	3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp	92
PID 3852 wrote to memory of 3956	3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp	92
PID 3852 wrote to memory of 3956	3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp	92
PID 3852 wrote to memory of 3912	3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp	93
PID 3852 wrote to memory of 3912	3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp	93
PID 3852 wrote to memory of 3912	3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp	93
PID 3852 wrote to memory of 4984	3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp	95
PID 3852 wrote to memory of 4984	3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp	95
PID 3852 wrote to memory of 4984	3852	18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp	95

C:\Users\Admin\AppData\Local\Temp\18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.exe
"C:\Users\Admin\AppData\Local\Temp\18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Users\Admin\AppData\Local\Temp\is-65Q6L.tmp\18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-65Q6L.tmp\18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp" /SL5="$A0028,3039358,68096,C:\Users\Admin\AppData\Local\Temp\18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3852
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Delete /F /TN "HAC1030-3"
    3⤵
    PID:3956
- - C:\Program Files (x86)\KAudioConverter\KAudioConverter.exe
    "C:\Program Files (x86)\KAudioConverter\KAudioConverter.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3912
- - C:\Program Files (x86)\KAudioConverter\KAudioConverter.exe
    "C:\Program Files (x86)\KAudioConverter\KAudioConverter.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4984

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)\KAudioConverter\KAudioConverter.exe

Filesize
2.1MB

MD5
99faca671ba80a1a5a07b0e05ae29f63

SHA1
1ca1875ac52e2a1f33f513ed7cfcf70467d14025

SHA256
5550b4a952bad35b63eb1e79cd744caa79e1048d8e4bd9fb3efaad33e90c3b8a

SHA512
bea52883067a49864d189246803fd554353bca364b6b378cb6eeb2fca73eb3bea830574f2731fe79c58e4f79d15b3e63a36caff18a29e1e7f46f733d9b900b2d

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

Filesize
2.1MB

MD5
99faca671ba80a1a5a07b0e05ae29f63

SHA1
1ca1875ac52e2a1f33f513ed7cfcf70467d14025

SHA256
5550b4a952bad35b63eb1e79cd744caa79e1048d8e4bd9fb3efaad33e90c3b8a

SHA512
bea52883067a49864d189246803fd554353bca364b6b378cb6eeb2fca73eb3bea830574f2731fe79c58e4f79d15b3e63a36caff18a29e1e7f46f733d9b900b2d

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

Filesize
2.1MB

MD5
99faca671ba80a1a5a07b0e05ae29f63

SHA1
1ca1875ac52e2a1f33f513ed7cfcf70467d14025

SHA256
5550b4a952bad35b63eb1e79cd744caa79e1048d8e4bd9fb3efaad33e90c3b8a

SHA512
bea52883067a49864d189246803fd554353bca364b6b378cb6eeb2fca73eb3bea830574f2731fe79c58e4f79d15b3e63a36caff18a29e1e7f46f733d9b900b2d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-65Q6L.tmp\18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp

Filesize
694KB

MD5
d89e4fd868dc68413a47f5d409f98f40

SHA1
959d3cea37d66e160292efae00e78cda8757fb17

SHA256
2273b4e3baee64715c0d84fd0cd0ba0d048ddcfd8f184365b9c8bb6181931672

SHA512
6b276dde30e664436bead2fea57c99ac376f42f0b7923979cd43d96b25cbb1dd20bcd6691bef623126b036e9d3bbd486274666a18198ad3a06d88c5121f0d775

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-65Q6L.tmp\18fc3468408c1e2af46c1ba07bde263a09dd0f63e1be3bd688bed3b84d26247c.tmp

Filesize
694KB

MD5
d89e4fd868dc68413a47f5d409f98f40

SHA1
959d3cea37d66e160292efae00e78cda8757fb17

SHA256
2273b4e3baee64715c0d84fd0cd0ba0d048ddcfd8f184365b9c8bb6181931672

SHA512
6b276dde30e664436bead2fea57c99ac376f42f0b7923979cd43d96b25cbb1dd20bcd6691bef623126b036e9d3bbd486274666a18198ad3a06d88c5121f0d775

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MG03A.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MG03A.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MG03A.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/1952-1-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1952-66-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3852-70-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/3852-7-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/3852-69-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3912-58-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/3912-63-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/3912-62-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/3912-60-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-71-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-92-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-72-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-75-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-78-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-81-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-84-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-88-0x0000000000900000-0x00000000009AD000-memory.dmp

Filesize
692KB

Download
memory/4984-87-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-67-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-93-0x0000000000900000-0x00000000009AD000-memory.dmp

Filesize
692KB

Download
memory/4984-96-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-99-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-102-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-105-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-108-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-110-0x0000000000900000-0x00000000009AD000-memory.dmp

Filesize
692KB

Download
memory/4984-111-0x0000000000900000-0x00000000009AD000-memory.dmp

Filesize
692KB

Download
memory/4984-114-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download
memory/4984-117-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

Download

Analysis

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