91d48cd8799643b9e70cc8d7f1abcab8a8a8377090d03623d28d8222c76b0d58

Analysis

max time kernel
105s
max time network
106s
platform
windows10_x64
resource
win10-en-20211014
submitted
21-10-2021 12:38

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General

Target

Tornado.exe
Size

331.0MB
MD5

2acf755a8825894b837989ce1ae3db1d
SHA1

17d5590e64a1df1470e83f79eb935d78bc218c2d
SHA256

876dbe0fdf3f4ec70bd1985bf7c6f661b1105efd591407a6dd7ca7506bc61adf
SHA512

f5ca9da28f33097e92714f1e329d62fa8b98afe35bdaaf9e4941ad8f46c9350df74117b4712abc83c7bf44d6a1cb357b44bfb426d7ab0eeb88b3c813e99eef4b

Score

10^/10

discovery persistence spyware stealer suricata

Malware Config

Signatures

suricata: ET MALWARE Arechclient2 Backdoor CnC Init
suricata: ET MALWARE Arechclient2 Backdoor CnC Init
suricata
Executes dropped EXE 4 IoCs

Processes:

tmpE2EA.tmp.exeNascondere.exe.comNascondere.exe.comRegAsm.exe

pid process

672 tmpE2EA.tmp.exe
2320 Nascondere.exe.com
1684 Nascondere.exe.com
3244 RegAsm.exe
Drops startup file 1 IoCs

Processes:

Nascondere.exe.com

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\LMDUbsNmfa.url Nascondere.exe.com
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
672	tmpE2EA.tmp.exe
2320	Nascondere.exe.com
1684	Nascondere.exe.com
3244	RegAsm.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\LMDUbsNmfa.url	Nascondere.exe.com

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmpE2EA.tmp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	tmpE2EA.tmp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	tmpE2EA.tmp.exe

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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

38 eth0.me
Suspicious use of SetThreadContext 1 IoCs

Processes:

Nascondere.exe.com

description pid process target process

PID 1684 set thread context of 3244 1684 Nascondere.exe.com RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1648 PING.EXE

flow	ioc
38	eth0.me

description	pid	process	target process
PID 1684 set thread context of 3244	1684	Nascondere.exe.com	RegAsm.exe

pid	process
1648	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

powershell.exeRegAsm.exe

pid	process
3696	powershell.exe
3696	powershell.exe
3696	powershell.exe
3244	RegAsm.exe
3244	RegAsm.exe
3244	RegAsm.exe
3244	RegAsm.exe
3244	RegAsm.exe
3244	RegAsm.exe
3244	RegAsm.exe
3244	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Tornado.exepowershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 920 Tornado.exe
Token: SeDebugPrivilege 3696 powershell.exe
Token: SeDebugPrivilege 3244 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	920	Tornado.exe
Token: SeDebugPrivilege	3696	powershell.exe
Token: SeDebugPrivilege	3244	RegAsm.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

Tornado.exetmpE2EA.tmp.execmd.execmd.exeNascondere.exe.comNascondere.exe.com

description	pid	process	target process
PID 920 wrote to memory of 3696	920	Tornado.exe	powershell.exe
PID 920 wrote to memory of 3696	920	Tornado.exe	powershell.exe
PID 920 wrote to memory of 3696	920	Tornado.exe	powershell.exe
PID 920 wrote to memory of 672	920	Tornado.exe	tmpE2EA.tmp.exe
PID 920 wrote to memory of 672	920	Tornado.exe	tmpE2EA.tmp.exe
PID 920 wrote to memory of 672	920	Tornado.exe	tmpE2EA.tmp.exe
PID 672 wrote to memory of 1124	672	tmpE2EA.tmp.exe	dllhost.exe
PID 672 wrote to memory of 1124	672	tmpE2EA.tmp.exe	dllhost.exe
PID 672 wrote to memory of 1124	672	tmpE2EA.tmp.exe	dllhost.exe
PID 672 wrote to memory of 880	672	tmpE2EA.tmp.exe	cmd.exe
PID 672 wrote to memory of 880	672	tmpE2EA.tmp.exe	cmd.exe
PID 672 wrote to memory of 880	672	tmpE2EA.tmp.exe	cmd.exe
PID 880 wrote to memory of 2244	880	cmd.exe	cmd.exe
PID 880 wrote to memory of 2244	880	cmd.exe	cmd.exe
PID 880 wrote to memory of 2244	880	cmd.exe	cmd.exe
PID 2244 wrote to memory of 2252	2244	cmd.exe	findstr.exe
PID 2244 wrote to memory of 2252	2244	cmd.exe	findstr.exe
PID 2244 wrote to memory of 2252	2244	cmd.exe	findstr.exe
PID 2244 wrote to memory of 2320	2244	cmd.exe	Nascondere.exe.com
PID 2244 wrote to memory of 2320	2244	cmd.exe	Nascondere.exe.com
PID 2244 wrote to memory of 2320	2244	cmd.exe	Nascondere.exe.com
PID 2244 wrote to memory of 1648	2244	cmd.exe	PING.EXE
PID 2244 wrote to memory of 1648	2244	cmd.exe	PING.EXE
PID 2244 wrote to memory of 1648	2244	cmd.exe	PING.EXE
PID 2320 wrote to memory of 1684	2320	Nascondere.exe.com	Nascondere.exe.com
PID 2320 wrote to memory of 1684	2320	Nascondere.exe.com	Nascondere.exe.com
PID 2320 wrote to memory of 1684	2320	Nascondere.exe.com	Nascondere.exe.com
PID 1684 wrote to memory of 3244	1684	Nascondere.exe.com	RegAsm.exe
PID 1684 wrote to memory of 3244	1684	Nascondere.exe.com	RegAsm.exe
PID 1684 wrote to memory of 3244	1684	Nascondere.exe.com	RegAsm.exe
PID 1684 wrote to memory of 3244	1684	Nascondere.exe.com	RegAsm.exe
PID 1684 wrote to memory of 3244	1684	Nascondere.exe.com	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Tornado.exe
"C:\Users\Admin\AppData\Local\Temp\Tornado.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:920

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc QAAoAGUAYwBoAG8AIABvAGYAZgAlACkAWwAxAF0ADQAKAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIAAiAEMAOgBcACIA
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3696

C:\Users\Admin\AppData\Local\Temp\tmpE2EA.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmpE2EA.tmp.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\dllhost.exe
dllhost.exe
3⤵
PID:1124

C:\Windows\SysWOW64\cmd.exe
cmd /c cmd < Starne.mid
3⤵
- Suspicious use of WriteProcessMemory
PID:880

C:\Windows\SysWOW64\cmd.exe
cmd
4⤵
- Suspicious use of WriteProcessMemory
PID:2244

C:\Windows\SysWOW64\findstr.exe
findstr /V /R "^kXhUbWhdyiSzQwKWBBZJjppRDRvuTjJfOgrsoBnWshULiZzcvfBNflRwOcsFmuvSnDFCYzOqeeaZfbKDnwKEL$" Sorte.mid
5⤵
PID:2252

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nascondere.exe.com
Nascondere.exe.com W
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2320

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nascondere.exe.com
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nascondere.exe.com W
6⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RegAsm.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RegAsm.exe
7⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3244

C:\Windows\SysWOW64\PING.EXE
ping localhost
5⤵
- Runs ping.exe
PID:1648

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Remote System Discovery

T1018

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ambo.mid
MD5
e44fd575c6528190adc21c41297c7f0f

SHA1
4a834789bb3ddeea37cd30861a4c0bb639eeafed

SHA256
9ae0b37e4b26a6684eed731f3c3958e3661a3da9a89759825b97efebfe183547

SHA512
443f8aff20c51f236b16eba5dbe3890d157f85909ab36b1d084142836a343e6acb97e752d18819bec62e1458a038d9b24c609602dc3cbef87d959e597e0af19f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ami.mid
MD5
c2a501f010bf7b1c7a9777c3b93e19ef

SHA1
d00adfeb88b435786f32cf7f45c1aae141690600

SHA256
312d9b0380e5d8fd0bbee92b5d7f22a09b9278cbd7457777a08e2df5a859aff9

SHA512
2850ad61312adc4d059e62c7dfaebabaa74ac280773e24920b746a56884d8c490b1d5c6637d56c966ca284a9cd515330d38faff55cfe77a1bd11f54f2c82f6fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nascondere.exe.com
MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nascondere.exe.com
MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nascondere.exe.com
MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RegAsm.exe
MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RegAsm.exe
MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sorte.mid
MD5
ca6c6b8893411108280a0daf1a4d7d61

SHA1
b791c3cdec5711baafa7be643d2d9a0a10ae0835

SHA256
61b5e21e9798a8bf59a1c2e284d78d86706b4dc9bd6bef46bce54af95886bb46

SHA512
c0f8c6e6c08a96d6bc9b77af1f300d45b011faa606c85b6220b89d890692d200230c16a206fa6c94a5f9e1568eb10181199a0d6b80b94f80706a5cd00f4fdbcf

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Starne.mid
MD5
603011f56db8309b2d5c4ea0a1c57a47

SHA1
91ffdd8dbc6c5935c954f2764bec480ae32a1432

SHA256
5e4c34d70260f9bc2ce9f44b8fdef503667493f8d7c9d13b659da3b270a053f0

SHA512
b1d53112fb89fc755e3933e88bcabd1ce2a2aa0032c948530769d96d06ca066d106fcdf2127348e618c7aac8b24b21ddbbdbdfd5113a641dbcd2da217d9ebdbe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\W
MD5
e44fd575c6528190adc21c41297c7f0f

SHA1
4a834789bb3ddeea37cd30861a4c0bb639eeafed

SHA256
9ae0b37e4b26a6684eed731f3c3958e3661a3da9a89759825b97efebfe183547

SHA512
443f8aff20c51f236b16eba5dbe3890d157f85909ab36b1d084142836a343e6acb97e752d18819bec62e1458a038d9b24c609602dc3cbef87d959e597e0af19f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE2EA.tmp.exe
MD5
44150395748c027ef5f8eed812f620b0

SHA1
0d26c44e5e93a08da7504344498d3275ca11653e

SHA256
144525451ace8e714f95f6235f310b6959871e559e11f33f3164006a02832a7f

SHA512
5ba96935ebacd7c4e377c3171d411e7383132eed1c087ef66c3fe1a54987f826ac9221a1f43f4cc6627d184f7621dca6858b84ae692bde127bdf9d3a7bc04a4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE2EA.tmp.exe
MD5
44150395748c027ef5f8eed812f620b0

SHA1
0d26c44e5e93a08da7504344498d3275ca11653e

SHA256
144525451ace8e714f95f6235f310b6959871e559e11f33f3164006a02832a7f

SHA512
5ba96935ebacd7c4e377c3171d411e7383132eed1c087ef66c3fe1a54987f826ac9221a1f43f4cc6627d184f7621dca6858b84ae692bde127bdf9d3a7bc04a4c

Download Submit
memory/672-384-0x0000000000000000-mapping.dmp

Download
memory/880-388-0x0000000000000000-mapping.dmp

Download
memory/920-117-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

Filesize
4KB

Download
memory/920-123-0x0000000005700000-0x0000000005BFE000-memory.dmp

Filesize
5.0MB

Download
memory/920-122-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/920-121-0x0000000005700000-0x0000000005BFE000-memory.dmp

Filesize
5.0MB

Download
memory/920-120-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/920-119-0x0000000005C00000-0x0000000005C01000-memory.dmp

Filesize
4KB

Download
memory/1124-387-0x0000000000000000-mapping.dmp

Download
memory/1648-396-0x0000000000000000-mapping.dmp

Download
memory/1684-398-0x0000000000000000-mapping.dmp

Download
memory/1684-402-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/2244-390-0x0000000000000000-mapping.dmp

Download
memory/2252-391-0x0000000000000000-mapping.dmp

Download
memory/2320-394-0x0000000000000000-mapping.dmp

Download
memory/3244-413-0x0000000002910000-0x0000000002960000-memory.dmp

Filesize
320KB

Download
memory/3696-130-0x0000000001342000-0x0000000001343000-memory.dmp

Filesize
4KB

Download
memory/3696-236-0x0000000001343000-0x0000000001344000-memory.dmp

Filesize
4KB

Download
memory/3696-169-0x00000000091C0000-0x00000000091C1000-memory.dmp

Filesize
4KB

Download
memory/3696-168-0x000000007EC50000-0x000000007EC51000-memory.dmp

Filesize
4KB

Download
memory/3696-167-0x0000000009010000-0x0000000009011000-memory.dmp

Filesize
4KB

Download
memory/3696-162-0x0000000008C80000-0x0000000008C81000-memory.dmp

Filesize
4KB

Download
memory/3696-155-0x0000000008CA0000-0x0000000008CD3000-memory.dmp

Filesize
204KB

Download
memory/3696-143-0x0000000008B10000-0x0000000008B11000-memory.dmp

Filesize
4KB

Download
memory/3696-142-0x00000000093A0000-0x00000000093A1000-memory.dmp

Filesize
4KB

Download
memory/3696-138-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/3696-137-0x0000000007E00000-0x0000000007E01000-memory.dmp

Filesize
4KB

Download
memory/3696-136-0x0000000008080000-0x0000000008081000-memory.dmp

Filesize
4KB

Download
memory/3696-135-0x00000000075B0000-0x00000000075B1000-memory.dmp

Filesize
4KB

Download
memory/3696-134-0x00000000076F0000-0x00000000076F1000-memory.dmp

Filesize
4KB

Download
memory/3696-133-0x0000000007510000-0x0000000007511000-memory.dmp

Filesize
4KB

Download
memory/3696-132-0x00000000074A0000-0x00000000074A1000-memory.dmp

Filesize
4KB

Download
memory/3696-131-0x0000000006D70000-0x0000000006D71000-memory.dmp

Filesize
4KB

Download
memory/3696-129-0x0000000001340000-0x0000000001341000-memory.dmp

Filesize
4KB

Download
memory/3696-128-0x0000000006E70000-0x0000000006E71000-memory.dmp

Filesize
4KB

Download
memory/3696-127-0x0000000001200000-0x0000000001201000-memory.dmp

Filesize
4KB

Download
memory/3696-126-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/3696-125-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/3696-124-0x0000000000000000-mapping.dmp

Download