1851e579272b8ca79e7f3527b2d2f9e9764943344889cd860b49bb37a6317f72

Analysis

max time kernel
144s
max time network
143s
platform
windows10-1703_x64
resource
win10-20231023-en
resource tags

arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
submitted
04/11/2023, 15:01

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General

Target

1851e579272b8ca79e7f3527b2d2f9e9764943344889cd860b49bb37a6317f72.exe
Size

4.8MB
MD5

eb8cca5dea820a8d3e2332448ce8efd1
SHA1

d16f7795de10d95fe472ab65a40cff0b7c8d9467
SHA256

1851e579272b8ca79e7f3527b2d2f9e9764943344889cd860b49bb37a6317f72
SHA512

05150df0e7476fe43e847fb491d9aff1319f83ea34c31fecbe1b7e91ffd3848f4b7761e515ed3b945ad976a447249ee3ebe36a12633be917453977e6525461ba
SSDEEP

98304:1dOfyIsEQaayVGNV1yVfp0wDaS3wFJ5l465R67e:f+yHzx1yz+bdf67e

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2364	is-ECNTU.tmp
3876	DBuster.exe
2964	DBuster.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	is-ECNTU.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 34 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DBuster\Lang\is-12SGV.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-CH067.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Plugins\is-P4A2U.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Plugins\is-ORFPP.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-1TCKN.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-7778O.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-1PJU7.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Plugins\is-TBINL.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\is-4H5OI.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-6MSLL.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-TBCVG.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-OKH5J.tmp	is-ECNTU.tmp
File opened for modification	C:\Program Files (x86)\DBuster\unins000.dat	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\unins000.dat	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Online\is-7V5TB.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-F77P0.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Online\is-MIU07.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Help\is-1FCCQ.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-S060L.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-SQ715.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-JB69P.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-EBDCM.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-SPKRE.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Plugins\is-MDJ5S.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-180F3.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-MTPFN.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-59MET.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-TS3B6.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\is-VJCG9.tmp	is-ECNTU.tmp
File opened for modification	C:\Program Files (x86)\DBuster\DBuster.exe	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-4GBKE.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-SREVV.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-IR74D.tmp	is-ECNTU.tmp
File created	C:\Program Files (x86)\DBuster\Lang\is-DJVTK.tmp	is-ECNTU.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 15 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 2364	4448	1851e579272b8ca79e7f3527b2d2f9e9764943344889cd860b49bb37a6317f72.exe	71
PID 4448 wrote to memory of 2364	4448	1851e579272b8ca79e7f3527b2d2f9e9764943344889cd860b49bb37a6317f72.exe	71
PID 4448 wrote to memory of 2364	4448	1851e579272b8ca79e7f3527b2d2f9e9764943344889cd860b49bb37a6317f72.exe	71
PID 2364 wrote to memory of 4120	2364	is-ECNTU.tmp	72
PID 2364 wrote to memory of 4120	2364	is-ECNTU.tmp	72
PID 2364 wrote to memory of 4120	2364	is-ECNTU.tmp	72
PID 2364 wrote to memory of 3876	2364	is-ECNTU.tmp	74
PID 2364 wrote to memory of 3876	2364	is-ECNTU.tmp	74
PID 2364 wrote to memory of 3876	2364	is-ECNTU.tmp	74
PID 4120 wrote to memory of 2204	4120	net.exe	75
PID 4120 wrote to memory of 2204	4120	net.exe	75
PID 4120 wrote to memory of 2204	4120	net.exe	75
PID 2364 wrote to memory of 2964	2364	is-ECNTU.tmp	76
PID 2364 wrote to memory of 2964	2364	is-ECNTU.tmp	76
PID 2364 wrote to memory of 2964	2364	is-ECNTU.tmp	76

C:\Users\Admin\AppData\Local\Temp\1851e579272b8ca79e7f3527b2d2f9e9764943344889cd860b49bb37a6317f72.exe
"C:\Users\Admin\AppData\Local\Temp\1851e579272b8ca79e7f3527b2d2f9e9764943344889cd860b49bb37a6317f72.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Users\Admin\AppData\Local\Temp\is-02AHD.tmp\is-ECNTU.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-02AHD.tmp\is-ECNTU.tmp" /SL4 $5021C "C:\Users\Admin\AppData\Local\Temp\1851e579272b8ca79e7f3527b2d2f9e9764943344889cd860b49bb37a6317f72.exe" 4687028 79360
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 4
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4120
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 4
      4⤵
      PID:2204
- - C:\Program Files (x86)\DBuster\DBuster.exe
    "C:\Program Files (x86)\DBuster\DBuster.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3876
- - C:\Program Files (x86)\DBuster\DBuster.exe
    "C:\Program Files (x86)\DBuster\DBuster.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\DBuster\DBuster.exe

Filesize
3.7MB

MD5
a07d023832490e927b5999303e65a31d

SHA1
2019c1e61499ab2882818769b4d003e57b1d70b4

SHA256
f19eb7b17c3a19d8cfe5b0aa0be67baa40e1443b1081711ab13bfa4db9e90d74

SHA512
6ba0fc69ce43d1098800fe7162cf698ffe8128a3504b68228c3e0bfe2c1833cb26c5aabde4de9724f3b136905b865bb8ad68d5a15ad487e234e6dd3208301092

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

Filesize
3.7MB

MD5
a07d023832490e927b5999303e65a31d

SHA1
2019c1e61499ab2882818769b4d003e57b1d70b4

SHA256
f19eb7b17c3a19d8cfe5b0aa0be67baa40e1443b1081711ab13bfa4db9e90d74

SHA512
6ba0fc69ce43d1098800fe7162cf698ffe8128a3504b68228c3e0bfe2c1833cb26c5aabde4de9724f3b136905b865bb8ad68d5a15ad487e234e6dd3208301092

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

Filesize
3.7MB

MD5
a07d023832490e927b5999303e65a31d

SHA1
2019c1e61499ab2882818769b4d003e57b1d70b4

SHA256
f19eb7b17c3a19d8cfe5b0aa0be67baa40e1443b1081711ab13bfa4db9e90d74

SHA512
6ba0fc69ce43d1098800fe7162cf698ffe8128a3504b68228c3e0bfe2c1833cb26c5aabde4de9724f3b136905b865bb8ad68d5a15ad487e234e6dd3208301092

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-02AHD.tmp\is-ECNTU.tmp

Filesize
643KB

MD5
a991510c12f20ccf8a5231a32a7958c3

SHA1
122724d1a4fdea39af3aa427e4941158d7e91dfa

SHA256
0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

SHA512
8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-02AHD.tmp\is-ECNTU.tmp

Filesize
643KB

MD5
a991510c12f20ccf8a5231a32a7958c3

SHA1
122724d1a4fdea39af3aa427e4941158d7e91dfa

SHA256
0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

SHA512
8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

Download Submit
\Users\Admin\AppData\Local\Temp\is-B5N47.tmp\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2364-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2364-94-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2364-92-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2964-117-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-108-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-90-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-140-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-137-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-133-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-95-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-96-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-99-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-102-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-105-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-130-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-111-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-112-0x0000000000930000-0x00000000009DA000-memory.dmp

Filesize
680KB

Download
memory/2964-113-0x0000000000930000-0x00000000009DA000-memory.dmp

Filesize
680KB

Download
memory/2964-127-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-118-0x0000000000930000-0x00000000009DA000-memory.dmp

Filesize
680KB

Download
memory/2964-121-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/2964-124-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/3876-87-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/3876-82-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/3876-84-0x0000000000400000-0x00000000007BA000-memory.dmp

Filesize
3.7MB

Download
memory/4448-1-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4448-91-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download