eabbd87cd528df115284853327330038af875b4780d21db970a8531c9780e6b3

Analysis

max time kernel
164s
max time network
151s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
13/10/2023, 21:20

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General

Target

sisweb_atualizador.exe
Size

2.6MB
MD5

49bacf99149402912ee9a0477d4a0c7e
SHA1

72188a71f5efd04698098230d6bb6a278c84d0d1
SHA256

eabbd87cd528df115284853327330038af875b4780d21db970a8531c9780e6b3
SHA512

1c557ec0312e11381a1211cefc16a2a23c52127dc8d167de1682cc613f89710fea411bb83ec3bf9afe88eacd048f2166909e9b981678f55ee31eacc2fe42beab
SSDEEP

49152:328Q3KEptfoYPN/RH8QyAPlkov+KeWs4o8VzXHxBdK7+Qoaf0w4H:m5tfPPN/FVKtbWsNmzhB2DsXH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2288	sisweb_atualizador.tmp

Loads dropped DLL 4 IoCs

pid	Process
2212	sisweb_atualizador.exe
2288	sisweb_atualizador.tmp
2288	sisweb_atualizador.tmp
2288	sisweb_atualizador.tmp

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2288	sisweb_atualizador.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2288	2212	sisweb_atualizador.exe	29
PID 2212 wrote to memory of 2288	2212	sisweb_atualizador.exe	29
PID 2212 wrote to memory of 2288	2212	sisweb_atualizador.exe	29
PID 2212 wrote to memory of 2288	2212	sisweb_atualizador.exe	29
PID 2212 wrote to memory of 2288	2212	sisweb_atualizador.exe	29
PID 2212 wrote to memory of 2288	2212	sisweb_atualizador.exe	29
PID 2212 wrote to memory of 2288	2212	sisweb_atualizador.exe	29

C:\Users\Admin\AppData\Local\Temp\sisweb_atualizador.exe
"C:\Users\Admin\AppData\Local\Temp\sisweb_atualizador.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\is-VIJBJ.tmp\sisweb_atualizador.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-VIJBJ.tmp\sisweb_atualizador.tmp" /SL5="$70158,2481628,54272,C:\Users\Admin\AppData\Local\Temp\sisweb_atualizador.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-VIJBJ.tmp\sisweb_atualizador.tmp

Filesize
680KB

MD5
ed69e64731547eba52476a2d2a2f7882

SHA1
cbcd56bbb5230d11a01f18e9bf59f97802bb475b

SHA256
427fa988a8a8c63393693ffeb61ddec195f000220ee55fd5112ec91682e933b0

SHA512
04202de8dafb4c8964230d94eb44ad8ffd1d138b24f445aa3d707f4d9a9e9520d3d6f80cb0731ab9ebb7143011fe0d856d7e262d9672272876958d5e8ad55afe

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VIJBJ.tmp\sisweb_atualizador.tmp

Filesize
680KB

MD5
ed69e64731547eba52476a2d2a2f7882

SHA1
cbcd56bbb5230d11a01f18e9bf59f97802bb475b

SHA256
427fa988a8a8c63393693ffeb61ddec195f000220ee55fd5112ec91682e933b0

SHA512
04202de8dafb4c8964230d94eb44ad8ffd1d138b24f445aa3d707f4d9a9e9520d3d6f80cb0731ab9ebb7143011fe0d856d7e262d9672272876958d5e8ad55afe

Download Submit
\Users\Admin\AppData\Local\Temp\is-GON7V.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-GON7V.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-GON7V.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-VIJBJ.tmp\sisweb_atualizador.tmp

Filesize
680KB

MD5
ed69e64731547eba52476a2d2a2f7882

SHA1
cbcd56bbb5230d11a01f18e9bf59f97802bb475b

SHA256
427fa988a8a8c63393693ffeb61ddec195f000220ee55fd5112ec91682e933b0

SHA512
04202de8dafb4c8964230d94eb44ad8ffd1d138b24f445aa3d707f4d9a9e9520d3d6f80cb0731ab9ebb7143011fe0d856d7e262d9672272876958d5e8ad55afe

Download Submit
memory/2212-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2212-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2212-20-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2288-8-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2288-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2288-23-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download