23d8f390623357ef9499eb5177b422d9716b5df3a27fcf7c37634f2c374a0232

General

Target

d4989fb146b1a23a5579a3907133d1c3.exe
Size

418KB
MD5

d4989fb146b1a23a5579a3907133d1c3
SHA1

d7ec093fb6aa92b26ed1f33ad5ab73d8c2b9749a
SHA256

23d8f390623357ef9499eb5177b422d9716b5df3a27fcf7c37634f2c374a0232
SHA512

70c059a95288bfff1d110e336c91a3e76175c48ad0ac6a48dd8bc3723fe0622e97361074580ff92e4a34ee6e6a048aa2c37bdc6ab04f9f31e884f61804739c6e
SSDEEP

12288:uQiGcCn7dXYwEZEMlaUkallcGpX98iR4o:uQi5+XREt7kGlcG1CiR4

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3052	d4989fb146b1a23a5579a3907133d1c3.tmp

Loads dropped DLL 4 IoCs

pid	Process
2504	d4989fb146b1a23a5579a3907133d1c3.exe
3052	d4989fb146b1a23a5579a3907133d1c3.tmp
3052	d4989fb146b1a23a5579a3907133d1c3.tmp
3052	d4989fb146b1a23a5579a3907133d1c3.tmp

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\K7 Computing\K7TotalSecurity	d4989fb146b1a23a5579a3907133d1c3.tmp
Key opened	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Sophos\Sophos Anti-Virus	d4989fb146b1a23a5579a3907133d1c3.tmp

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2556	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3052	d4989fb146b1a23a5579a3907133d1c3.tmp

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 3052	2504	d4989fb146b1a23a5579a3907133d1c3.exe	28
PID 2504 wrote to memory of 3052	2504	d4989fb146b1a23a5579a3907133d1c3.exe	28
PID 2504 wrote to memory of 3052	2504	d4989fb146b1a23a5579a3907133d1c3.exe	28
PID 2504 wrote to memory of 3052	2504	d4989fb146b1a23a5579a3907133d1c3.exe	28
PID 2504 wrote to memory of 3052	2504	d4989fb146b1a23a5579a3907133d1c3.exe	28
PID 2504 wrote to memory of 3052	2504	d4989fb146b1a23a5579a3907133d1c3.exe	28
PID 2504 wrote to memory of 3052	2504	d4989fb146b1a23a5579a3907133d1c3.exe	28
PID 3052 wrote to memory of 2704	3052	d4989fb146b1a23a5579a3907133d1c3.tmp	29
PID 3052 wrote to memory of 2704	3052	d4989fb146b1a23a5579a3907133d1c3.tmp	29
PID 3052 wrote to memory of 2704	3052	d4989fb146b1a23a5579a3907133d1c3.tmp	29
PID 3052 wrote to memory of 2704	3052	d4989fb146b1a23a5579a3907133d1c3.tmp	29
PID 2704 wrote to memory of 2556	2704	cmd.exe	31
PID 2704 wrote to memory of 2556	2704	cmd.exe	31
PID 2704 wrote to memory of 2556	2704	cmd.exe	31
PID 2704 wrote to memory of 2556	2704	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\d4989fb146b1a23a5579a3907133d1c3.exe
"C:\Users\Admin\AppData\Local\Temp\d4989fb146b1a23a5579a3907133d1c3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\is-0DQR4.tmp\d4989fb146b1a23a5579a3907133d1c3.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-0DQR4.tmp\d4989fb146b1a23a5579a3907133d1c3.tmp" /SL5="$30148,139007,56832,C:\Users\Admin\AppData\Local\Temp\d4989fb146b1a23a5579a3907133d1c3.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks for any installed AV software in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-ORF9A.tmp\ex.bat""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -inputformat none -NoProfile -NoLogo -Command "& {$avlist = @(); $os = Get-WmiObject Win32_OperatingSystem; if ($os.ProductType -eq 3) {Write-Host \"ServerOS|0\";} elseif ($os.Version -like \"5.*\") {Get-WmiObject -Namespace root\SecurityCenter -Class AntiVirusProduct | ForEach-Object {Write-Host \"$($_.displayName)|$(if ($_.onAccessScanningEnabled) {\"4096\"} else {\"0\"})\"};} else {Get-WmiObject -Namespace root\SecurityCenter2 -Class AntiVirusProduct | ForEach-Object {$avlist += \"$($_.displayName)|$($_.productState)\"};Get-WmiObject -Namespace root\SecurityCenter2 -Class AntiSpywareProduct | ForEach-Object {$avlist += \"$($_.displayName)|$($_.productState)\"};} Write-Host ($avlist -join \"*\")}"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Software Discovery

1

T1518

Security Software Discovery

1

T1518.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-ORF9A.tmp\av.txt

Filesize
24B

MD5
f8f8258012893e0a2c957d226bdd7587

SHA1
ed482b5f912ef2d31e2b231df6b6e3b64967390c

SHA256
c341965a331692b4f79eed856a7da98c550d74fdef27d1241893284f1b51c3d2

SHA512
6e563814e4347ffa1da1d4d26ab45430987d5224c22278e1ee41b207700eb263aaab1e69088a5eeb267fdd385f36a61c0c66415f5df0887162eefbcbec9d19d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ORF9A.tmp\ex.bat

Filesize
786B

MD5
c9be1525b16e9f2b6c6b09b0dc6bf09e

SHA1
64ea9b90a116cc60ab51859ab39c0d461cd2be0f

SHA256
b2bd6fb8ec014ec8183e09d7c4aa40c1115b67a921e3962e5bd68c83fceda806

SHA512
95b415857b34ecae88e74db377db24c1b333f39a0df9086121f71ca9df775f4bd8ce407217a293dcb764ff23f090df0e57df43ba82102e922a97647842a7e9f4

Download Submit
\Users\Admin\AppData\Local\Temp\is-0DQR4.tmp\d4989fb146b1a23a5579a3907133d1c3.tmp

Filesize
694KB

MD5
86462bc76b244bac73ee6ffe47354be2

SHA1
c66462dc233887f86f9e05ee36086de4edfd99b6

SHA256
e3da91f01ffb504352b5e8237a5465d0f492a750a7c9a6cef22b3a5d08230fc9

SHA512
c0cbe3a39c2fd18e257500faacafd9fc8913221278e492b355acf64e6d97ff622a46a325a5c18cee5843a1660fda64dbc3172fac642de77ed12321085d67cb65

Download Submit
\Users\Admin\AppData\Local\Temp\is-ORF9A.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-ORF9A.tmp\itdownload.dll

Filesize
201KB

MD5
fda896f0acbb98fa2fd8763f7e0a7b7d

SHA1
87520c200aa1ee03fa627073053b9887147b2975

SHA256
2182268006a950cb31f425e4ce8aa31c9b4d5f7f84dd09e8a854710ddde31b0e

SHA512
2dfc45451a3128ff87910c1cfca91556e69f4cf367b9072e32e0af1676eba1a8c473e061e78971e910ca6d6889ad9b1aca2a4c56186e7003d200fe5f57f39550

Download Submit
memory/2504-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2504-30-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2556-23-0x0000000073080000-0x000000007362B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-22-0x0000000073080000-0x000000007362B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-24-0x0000000002410000-0x0000000002450000-memory.dmp

Filesize
256KB

Download
memory/2556-25-0x0000000002410000-0x0000000002450000-memory.dmp

Filesize
256KB

Download
memory/2556-26-0x0000000002410000-0x0000000002450000-memory.dmp

Filesize
256KB

Download
memory/2556-27-0x0000000073080000-0x000000007362B000-memory.dmp

Filesize
5.7MB

Download
memory/3052-16-0x00000000007E0000-0x000000000081C000-memory.dmp

Filesize
240KB

Download
memory/3052-7-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/3052-31-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3052-32-0x00000000007E0000-0x000000000081C000-memory.dmp

Filesize
240KB

Download
memory/3052-36-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

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Analysis

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