c4c821cb410add6710478094e87abddbafb97c240dd1eabd117c481c37102303

Analysis

max time kernel
149s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14/06/2023, 14:54

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General

Target

as4_fw_1.6a.exe
Size

2.3MB
MD5

f966c95eba64b1c7d624800cbf14a30d
SHA1

4bc22f99ec8284172ccaf0f173d2c97d2cd7901f
SHA256

c4c821cb410add6710478094e87abddbafb97c240dd1eabd117c481c37102303
SHA512

90a1915ddc77bf37dfd88d56214aa636a20f0320fbf24dc258d3cbfb3a7f28652fc0e4624248a3062c28eff38be0ff049725b795a4fc4bd0f667c910d8930033
SSDEEP

49152:5aulTNujN35aHkUq9445lSkLRED0lw7AlETinXBgJ:QulTAR3xbR3lxRgJ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
268	as4_fw_1.6a.tmp

Loads dropped DLL 4 IoCs

pid	Process
1240	as4_fw_1.6a.exe
268	as4_fw_1.6a.tmp
268	as4_fw_1.6a.tmp
268	as4_fw_1.6a.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
268	as4_fw_1.6a.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 268	1240	as4_fw_1.6a.exe	27
PID 1240 wrote to memory of 268	1240	as4_fw_1.6a.exe	27
PID 1240 wrote to memory of 268	1240	as4_fw_1.6a.exe	27
PID 1240 wrote to memory of 268	1240	as4_fw_1.6a.exe	27
PID 1240 wrote to memory of 268	1240	as4_fw_1.6a.exe	27
PID 1240 wrote to memory of 268	1240	as4_fw_1.6a.exe	27
PID 1240 wrote to memory of 268	1240	as4_fw_1.6a.exe	27

C:\Users\Admin\AppData\Local\Temp\as4_fw_1.6a.exe
"C:\Users\Admin\AppData\Local\Temp\as4_fw_1.6a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Users\Admin\AppData\Local\Temp\is-4F1M8.tmp\as4_fw_1.6a.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-4F1M8.tmp\as4_fw_1.6a.tmp" /SL5="$A0124,1956036,54272,C:\Users\Admin\AppData\Local\Temp\as4_fw_1.6a.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:268

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-4F1M8.tmp\as4_fw_1.6a.tmp

Filesize
688KB

MD5
c765336f0dcf4efdcc2101eed67cd30c

SHA1
fa0279f59738c5aa3b6b20106e109ccd77f895a7

SHA256
c5177fdc6031728e10141745cd69edbc91c92d14411a2dec6e8e8caa4f74ab28

SHA512
06a67ac37c20897967e2cad453793a6ef1c7804d4c578404f845daa88c859b15b0acb51642e6ad23ca6ba6549b02d5f6c98b1fa402004bdbf9d646abab7ec891

Download Submit
\Users\Admin\AppData\Local\Temp\is-4F1M8.tmp\as4_fw_1.6a.tmp

Filesize
688KB

MD5
c765336f0dcf4efdcc2101eed67cd30c

SHA1
fa0279f59738c5aa3b6b20106e109ccd77f895a7

SHA256
c5177fdc6031728e10141745cd69edbc91c92d14411a2dec6e8e8caa4f74ab28

SHA512
06a67ac37c20897967e2cad453793a6ef1c7804d4c578404f845daa88c859b15b0acb51642e6ad23ca6ba6549b02d5f6c98b1fa402004bdbf9d646abab7ec891

Download Submit
\Users\Admin\AppData\Local\Temp\is-FE611.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-FE611.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-FE611.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/268-61-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/268-74-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/268-75-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1240-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1240-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads