271d8bf13f96188684e0f68446f16084ec6d8c231837c45e3ec3ebb73062574d

Resubmissions

23-02-2023 14:03

230223-rcnzwsga69 10

20-01-2023 12:25

16-01-2023 12:00

15-01-2023 04:12

15-01-2023 04:01

15-01-2023 03:56

15-01-2023 01:02

15-01-2023 00:38

Analysis

max time kernel
235s
max time network
300s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2023 12:25

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General

Target

88b426437c97301982bf096306af1bde70caa0a9a99a60514b31d0fa0ea64afd.exe
Size

1.6MB
MD5

9f7aaf3a9a3f325dd533ecc38d85a351
SHA1

1ebdc55b96e11d9b924fbba8c5fa1799ff247970
SHA256

88b426437c97301982bf096306af1bde70caa0a9a99a60514b31d0fa0ea64afd
SHA512

0afdcb5362be67938d00baaeb3974af3ad2b7342c8024ec2390ce87bad4c6252e4c8277a0bb36979cdcb4036aa9f7dc93ac23f78acdd04033c3086fa3fd7286f
SSDEEP

24576:yWmAFubS9dt9Mcp5CPu4YV5GaCxYiluVuTY4PRVGEw6GPDp5MwNrsJjF2GKGI8L:q29dRpYW4YV5QxYiET8ahPDMwNrs2y

Score

10^/10

evasion trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

jsc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	jsc.exe

Executes dropped EXE 2 IoCs

Processes:

Engine.exeChampion.exe.pif

pid process

4644 Engine.exe
2432 Champion.exe.pif

pid	process
4644	Engine.exe
2432	Champion.exe.pif

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\Engine.exe	upx
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\Engine.exe	upx
behavioral2/memory/4644-135-0x0000000000400000-0x0000000000558000-memory.dmp	upx
behavioral2/memory/4644-154-0x0000000000400000-0x0000000000558000-memory.dmp	upx
behavioral2/memory/4644-162-0x0000000000400000-0x0000000000558000-memory.dmp	upx

Drops desktop.ini file(s) 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Users\Admin\Videos\Captures\desktop.ini svchost.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
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

54 eth0.me
Suspicious use of SetThreadContext 1 IoCs

Processes:

Champion.exe.pif

description pid process target process

PID 2432 set thread context of 4688 2432 Champion.exe.pif jsc.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Videos\Captures\desktop.ini	svchost.exe

flow	ioc
54	eth0.me

description	pid	process	target process
PID 2432 set thread context of 4688	2432	Champion.exe.pif	jsc.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Modifies registry class 2 IoCs

Processes:

svchost.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2891029575-1462575-1165213807-1000\{76235772-8D84-4F52-B02A-F899372CC329}	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2891029575-1462575-1165213807-1000\{4F2FA56D-12FE-416B-9701-AA897218AA20}	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2312 PING.EXE

pid	process
2312	PING.EXE

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

powershell.exepowershell.exeChampion.exe.pif

pid	process
4880	powershell.exe
4880	powershell.exe
4880	powershell.exe
1612	powershell.exe
1612	powershell.exe
1612	powershell.exe
2432	Champion.exe.pif
2432	Champion.exe.pif
2432	Champion.exe.pif
2432	Champion.exe.pif
2432	Champion.exe.pif
2432	Champion.exe.pif
2432	Champion.exe.pif
2432	Champion.exe.pif

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exejsc.exe

description pid process

Token: SeDebugPrivilege 4880 powershell.exe
Token: SeDebugPrivilege 1612 powershell.exe
Token: SeDebugPrivilege 4688 jsc.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

Champion.exe.pif

pid process

2432 Champion.exe.pif
2432 Champion.exe.pif
2432 Champion.exe.pif
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

Champion.exe.pif

pid process

2432 Champion.exe.pif
2432 Champion.exe.pif
2432 Champion.exe.pif
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

1480 OpenWith.exe

description	pid	process
Token: SeDebugPrivilege	4880	powershell.exe
Token: SeDebugPrivilege	1612	powershell.exe
Token: SeDebugPrivilege	4688	jsc.exe

pid	process
2432	Champion.exe.pif
2432	Champion.exe.pif
2432	Champion.exe.pif

pid	process
2432	Champion.exe.pif
2432	Champion.exe.pif
2432	Champion.exe.pif

pid	process
1480	OpenWith.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

88b426437c97301982bf096306af1bde70caa0a9a99a60514b31d0fa0ea64afd.exeEngine.execmd.execmd.exeChampion.exe.pif

description	pid	process	target process
PID 1752 wrote to memory of 4644	1752	88b426437c97301982bf096306af1bde70caa0a9a99a60514b31d0fa0ea64afd.exe	Engine.exe
PID 1752 wrote to memory of 4644	1752	88b426437c97301982bf096306af1bde70caa0a9a99a60514b31d0fa0ea64afd.exe	Engine.exe
PID 1752 wrote to memory of 4644	1752	88b426437c97301982bf096306af1bde70caa0a9a99a60514b31d0fa0ea64afd.exe	Engine.exe
PID 4644 wrote to memory of 5080	4644	Engine.exe	cmd.exe
PID 4644 wrote to memory of 5080	4644	Engine.exe	cmd.exe
PID 4644 wrote to memory of 5080	4644	Engine.exe	cmd.exe
PID 5080 wrote to memory of 2056	5080	cmd.exe	cmd.exe
PID 5080 wrote to memory of 2056	5080	cmd.exe	cmd.exe
PID 5080 wrote to memory of 2056	5080	cmd.exe	cmd.exe
PID 2056 wrote to memory of 4880	2056	cmd.exe	powershell.exe
PID 2056 wrote to memory of 4880	2056	cmd.exe	powershell.exe
PID 2056 wrote to memory of 4880	2056	cmd.exe	powershell.exe
PID 2056 wrote to memory of 1612	2056	cmd.exe	powershell.exe
PID 2056 wrote to memory of 1612	2056	cmd.exe	powershell.exe
PID 2056 wrote to memory of 1612	2056	cmd.exe	powershell.exe
PID 2056 wrote to memory of 3032	2056	cmd.exe	findstr.exe
PID 2056 wrote to memory of 3032	2056	cmd.exe	findstr.exe
PID 2056 wrote to memory of 3032	2056	cmd.exe	findstr.exe
PID 2056 wrote to memory of 2432	2056	cmd.exe	Champion.exe.pif
PID 2056 wrote to memory of 2432	2056	cmd.exe	Champion.exe.pif
PID 2056 wrote to memory of 2432	2056	cmd.exe	Champion.exe.pif
PID 2056 wrote to memory of 2312	2056	cmd.exe	PING.EXE
PID 2056 wrote to memory of 2312	2056	cmd.exe	PING.EXE
PID 2056 wrote to memory of 2312	2056	cmd.exe	PING.EXE
PID 2432 wrote to memory of 4688	2432	Champion.exe.pif	jsc.exe
PID 2432 wrote to memory of 4688	2432	Champion.exe.pif	jsc.exe
PID 2432 wrote to memory of 4688	2432	Champion.exe.pif	jsc.exe
PID 2432 wrote to memory of 4688	2432	Champion.exe.pif	jsc.exe
PID 2432 wrote to memory of 4688	2432	Champion.exe.pif	jsc.exe

C:\Users\Admin\AppData\Local\Temp\88b426437c97301982bf096306af1bde70caa0a9a99a60514b31d0fa0ea64afd.exe
"C:\Users\Admin\AppData\Local\Temp\88b426437c97301982bf096306af1bde70caa0a9a99a60514b31d0fa0ea64afd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\SETUP_27442\Engine.exe
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\Engine.exe /TH_ID=_1860 /OriginExe="C:\Users\Admin\AppData\Local\Temp\88b426437c97301982bf096306af1bde70caa0a9a99a60514b31d0fa0ea64afd.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4644

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cmd < 4
3⤵
- Suspicious use of WriteProcessMemory
PID:5080

C:\Windows\SysWOW64\cmd.exe
cmd
4⤵
- Suspicious use of WriteProcessMemory
PID:2056

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell get-process avastui
5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4880

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell get-process avgui
5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1612

C:\Windows\SysWOW64\findstr.exe
findstr /V /R "^ibXEdmiVmigethPmiCeveAlmmdbbRGVlGZgkrkVHBRdIphNCcvDTejGGhntqwKrSktcyZDvWGxUklCdjCVwceeizaHYEiVGRNbvySICSZHhIac$" 45
5⤵
PID:3032

C:\Users\Admin\AppData\Local\Temp\5col3ccv.tda\26558\Champion.exe.pif
26558\\Champion.exe.pif 26558\\S
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2432

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
6⤵
- UAC bypass
- Suspicious use of AdjustPrivilegeToken
PID:4688

C:\Windows\SysWOW64\PING.EXE
ping localhost -n 18
5⤵
- Runs ping.exe
PID:2312

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:1480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
PID:1996

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Checks processor information in registry
- Modifies registry class
PID:3976

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
1KB

MD5
def65711d78669d7f8e69313be4acf2e

SHA1
6522ebf1de09eeb981e270bd95114bc69a49cda6

SHA256
aa1c97cdbce9a848f1db2ad483f19caa535b55a3a1ef2ad1260e0437002bc82c

SHA512
05b2f9cd9bc3b46f52fded320b68e05f79b2b3ceaeb13e5d87ae9f8cd8e6c90bbb4ffa4da8192c2bfe0f58826cabff2e99e7c5cc8dd47037d4eb7bfc6f2710a7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
2dad5594a4ece197668d3576955fce25

SHA1
760d9e2e39443ec0bd0fc7ce4e353fd2d307a477

SHA256
c8f1e5e40a981c63f9ab0c933435fb36b63ea1935c0e7248cb5f202cbe6b8442

SHA512
d9db50bec487c3c9eec124ae5cfab02db186e8405afa2cf7d36020cb7cb89fa9bf439a2ae4951cb989ea60ceb20d8546c8ce98d05c4e878d481f9b5cd3e75506

Download Submit
C:\Users\Admin\AppData\Local\Temp\5col3ccv.tda\26558\Champion.exe.pif
Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\00000#4
Filesize
12KB

MD5
4839bb17c0c82a044dbd0072c6c98cb6

SHA1
3c06dcc178dd8a8e2290b746cfc7e704a537c91f

SHA256
a7e6636cd2ba510513484cfea9201884f64f7b664951402b909caf9728704ec2

SHA512
13d607b989efca3105363a10f481ef02fdcfcd5da4a267da0b87f3f2417456e672337c8e6332e0be286f6401bea203149a1cd23a24a8006f689b32e9d6199b55

Download Submit
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\00001#45
Filesize
872KB

MD5
a3b85111ecdfc29672319893192bb7fd

SHA1
4ec865fd387eade4cd0b0ad8cabd68cae89ac8d5

SHA256
ec8149d7c157e53108c089f07b8d2bf1156b8c1f8632c938a2130279927e2367

SHA512
0c9e75843ebe962246a0fd2d15e2b90ae71257aac15ee7b1cf12a3fc383a144fef5959c0a81c7d9f55ef6893937b1a9868a7c2546d70045c40810a7b3a0be804

Download Submit
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\00002#7
Filesize
1.5MB

MD5
536073c3748e4eb7bbee303547b7227d

SHA1
4397b1d855e799f4d38467a848cda2273c1c6c73

SHA256
8e289b8dfc7e4994d808ef79a88adb513365177604fe587f6efa812f284e21a3

SHA512
3b1e1c853c362770a4ddcc4c7b3b932f9adf9db006bf649266a1b0c9c6c7b0afb7f0cd5687f672ed58908c9af8b56a830888b6f30defb97297cbde8de18f7651

Download Submit
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\Engine.exe
Filesize
392KB

MD5
a7a99a201774531d761f6aac2651a9df

SHA1
b122ae368c4bf103e959a6ebb54ddb310117ab96

SHA256
e6e73497e85e9ece4c92ac7d49e07b9d55e932ba2d9e5789b94b95a9841ee524

SHA512
056504da2afeed547a4123ac8c38b35291b7dc0126fb638ae304eee802ac572715f9d608e9f1655788a030f488354741ee27c805434111c8e915cf841c0892f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\Engine.exe
Filesize
392KB

MD5
a7a99a201774531d761f6aac2651a9df

SHA1
b122ae368c4bf103e959a6ebb54ddb310117ab96

SHA256
e6e73497e85e9ece4c92ac7d49e07b9d55e932ba2d9e5789b94b95a9841ee524

SHA512
056504da2afeed547a4123ac8c38b35291b7dc0126fb638ae304eee802ac572715f9d608e9f1655788a030f488354741ee27c805434111c8e915cf841c0892f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\Modern_Icon.bmp
Filesize
7KB

MD5
1dd88f67f029710d5c5858a6293a93f1

SHA1
3e5ef66613415fe9467b2a24ccc27d8f997e7df6

SHA256
b5dad33ceb6eb1ac2a05fbda76e29a73038403939218a88367925c3a20c05532

SHA512
7071fd64038e0058c8c586c63c62677c0ca403768100f90323cf9c0bc7b7fcb538391e6f3606bd7970b8769445606ada47adcdcfc1e991e25caf272a13e10c94

Download Submit
C:\Users\Admin\AppData\Local\Temp\SETUP_27442\Setup.txt
Filesize
2KB

MD5
ae90fca8c12f2c43c468fbd0954381f7

SHA1
d475bb8f5891ab5f4c7cd2c90847cbfa68758842

SHA256
d9f67a975a877aa95e76821542311adb21704988d8452916d5b51feeeff3e720

SHA512
6880c7b658b7852bfcd597a57fd6e85f8a218e18d7acc248edc8efb2bea5a61063c4eeb5ae48008cc07408501c1af0eefc6a9010820ba823ab3fe66dae1f9041

Download Submit
memory/1612-155-0x0000000000000000-mapping.dmp

Download
memory/2056-142-0x0000000000000000-mapping.dmp

Download
memory/2312-161-0x0000000000000000-mapping.dmp

Download
memory/2432-159-0x0000000000000000-mapping.dmp

Download
memory/3032-158-0x0000000000000000-mapping.dmp

Download
memory/4644-132-0x0000000000000000-mapping.dmp

Download
memory/4644-162-0x0000000000400000-0x0000000000558000-memory.dmp

Filesize
1.3MB

Download
memory/4644-154-0x0000000000400000-0x0000000000558000-memory.dmp

Filesize
1.3MB

Download
memory/4644-135-0x0000000000400000-0x0000000000558000-memory.dmp

Filesize
1.3MB

Download
memory/4688-163-0x0000000000000000-mapping.dmp

Download
memory/4688-164-0x0000000001320000-0x00000000013C6000-memory.dmp

Filesize
664KB

Download
memory/4688-166-0x0000000005930000-0x00000000059C2000-memory.dmp

Filesize
584KB

Download
memory/4688-167-0x00000000074D0000-0x0000000007692000-memory.dmp

Filesize
1.8MB

Download
memory/4688-168-0x00000000073A0000-0x0000000007416000-memory.dmp

Filesize
472KB

Download
memory/4688-169-0x0000000007BD0000-0x00000000080FC000-memory.dmp

Filesize
5.2MB

Download
memory/4688-170-0x0000000007490000-0x00000000074AE000-memory.dmp

Filesize
120KB

Download
memory/4880-150-0x00000000079A0000-0x0000000007A36000-memory.dmp

Filesize
600KB

Download
memory/4880-153-0x0000000007FF0000-0x0000000008594000-memory.dmp

Filesize
5.6MB

Download
memory/4880-152-0x0000000006D70000-0x0000000006D92000-memory.dmp

Filesize
136KB

Download
memory/4880-151-0x0000000006CF0000-0x0000000006D0A000-memory.dmp

Filesize
104KB

Download
memory/4880-149-0x00000000067F0000-0x000000000680E000-memory.dmp

Filesize
120KB

Download
memory/4880-148-0x0000000006180000-0x00000000061E6000-memory.dmp

Filesize
408KB

Download
memory/4880-147-0x0000000006110000-0x0000000006176000-memory.dmp

Filesize
408KB

Download
memory/4880-146-0x0000000005820000-0x0000000005842000-memory.dmp

Filesize
136KB

Download
memory/4880-145-0x00000000059E0000-0x0000000006008000-memory.dmp

Filesize
6.2MB

Download
memory/4880-144-0x0000000002EF0000-0x0000000002F26000-memory.dmp

Filesize
216KB

Download
memory/4880-143-0x0000000000000000-mapping.dmp

Download
memory/5080-141-0x0000000000000000-mapping.dmp

Download