f04d11a1c4811492e397bc151c65ea1958eab6cbcf279ece7bd59160bfbea3d8

Resubmissions

23-01-2024 14:03

240123-rcwpqsbff3 10

23-01-2024 13:44

240123-q13yaabef7 10

Analysis

max time kernel
114s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2024 14:03

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General

Target

svchost_dump_SCY - Copy.exe
Size

5.2MB
MD5

5fd3d21a968f4b8a1577b5405ab1c36a
SHA1

710e5ab0fceb71b982b966c3a7406ebdf1d2aa82
SHA256

7ac7b42889e14cbd8c7cebe692566ca045d0034f9ff103fc3ef9c5e035dc594f
SHA512

085a31c0412ba0a3d612a66ec8d95ce900e148240f92f9ec8c4d07b6c8e32cf233e92aefc7b4b53a91f5eacacd1cf3a8fcdf8cd7c206afa46014a9e4a9ddf53f
SSDEEP

98304:jgoX+R+gW1CkQFBAFGspWvuL136BRiGQiiyBrDbnh57cpbJLyns:coXxFGWL56BVrDbn77cjIs

Score

10^/10

evasion trojan

Malware Config

Signatures

Detects BazaLoader malware 8 IoCs

BazaLoader is a trojan that transmits logs to the Command and Control (C2) server, encoding them in BASE64 format through GET requests.

trojan

Processes:

resource	yara_rule
behavioral3/memory/3288-0-0x0000000140000000-0x0000000140636000-memory.dmp	BazaLoader
behavioral3/memory/3288-34-0x0000000140000000-0x0000000140636000-memory.dmp	BazaLoader
C:\Windows\System\svchost.exe	BazaLoader
behavioral3/memory/1140-42-0x0000000140000000-0x0000000140636000-memory.dmp	BazaLoader
C:\Windows\System\svchost.exe	BazaLoader
C:\Windows\System\svchost.exe	BazaLoader
behavioral3/memory/3288-43-0x0000000140000000-0x0000000140636000-memory.dmp	BazaLoader
behavioral3/memory/1140-74-0x0000000140000000-0x0000000140636000-memory.dmp	BazaLoader

Modifies Windows Firewall 1 TTPs 4 IoCs
evasion

Windows Service
T1543.003

Processes:

netsh.exenetsh.exenetsh.exenetsh.exe

pid process

3932 netsh.exe
4796 netsh.exe
3320 netsh.exe
4800 netsh.exe

pid	process
3932	netsh.exe
4796	netsh.exe
3320	netsh.exe
4800	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exesvchost_dump_SCY - Copy.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	svchost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	svchost_dump_SCY - Copy.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1140 svchost.exe

pid	process
1140	svchost.exe

Drops file in Windows directory 4 IoCs

Processes:

svchost_dump_SCY - Copy.exesvchost.exe

description	ioc	process
File created	C:\Windows\System\xxx1.bak	svchost_dump_SCY - Copy.exe
File created	C:\Windows\System\svchost.exe	svchost_dump_SCY - Copy.exe
File opened for modification	C:\Windows\System\svchost.exe	svchost_dump_SCY - Copy.exe
File created	C:\Windows\System\xxx1.bak	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1060 schtasks.exe

pid	process
1060	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

powershell.exepowershell.exesvchost_dump_SCY - Copy.exepowershell.exepowershell.exe

pid	process
2352	powershell.exe
2352	powershell.exe
736	powershell.exe
736	powershell.exe
2352	powershell.exe
736	powershell.exe
3288	svchost_dump_SCY - Copy.exe
3288	svchost_dump_SCY - Copy.exe
4452	powershell.exe
4452	powershell.exe
4452	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

WMIC.exepowershell.exepowershell.exeWMIC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2848	WMIC.exe
Token: SeSecurityPrivilege	2848	WMIC.exe
Token: SeTakeOwnershipPrivilege	2848	WMIC.exe
Token: SeLoadDriverPrivilege	2848	WMIC.exe
Token: SeSystemProfilePrivilege	2848	WMIC.exe
Token: SeSystemtimePrivilege	2848	WMIC.exe
Token: SeProfSingleProcessPrivilege	2848	WMIC.exe
Token: SeIncBasePriorityPrivilege	2848	WMIC.exe
Token: SeCreatePagefilePrivilege	2848	WMIC.exe
Token: SeBackupPrivilege	2848	WMIC.exe
Token: SeRestorePrivilege	2848	WMIC.exe
Token: SeShutdownPrivilege	2848	WMIC.exe
Token: SeDebugPrivilege	2848	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2848	WMIC.exe
Token: SeRemoteShutdownPrivilege	2848	WMIC.exe
Token: SeUndockPrivilege	2848	WMIC.exe
Token: SeManageVolumePrivilege	2848	WMIC.exe
Token: 33	2848	WMIC.exe
Token: 34	2848	WMIC.exe
Token: 35	2848	WMIC.exe
Token: 36	2848	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2848	WMIC.exe
Token: SeSecurityPrivilege	2848	WMIC.exe
Token: SeTakeOwnershipPrivilege	2848	WMIC.exe
Token: SeLoadDriverPrivilege	2848	WMIC.exe
Token: SeSystemProfilePrivilege	2848	WMIC.exe
Token: SeSystemtimePrivilege	2848	WMIC.exe
Token: SeProfSingleProcessPrivilege	2848	WMIC.exe
Token: SeIncBasePriorityPrivilege	2848	WMIC.exe
Token: SeCreatePagefilePrivilege	2848	WMIC.exe
Token: SeBackupPrivilege	2848	WMIC.exe
Token: SeRestorePrivilege	2848	WMIC.exe
Token: SeShutdownPrivilege	2848	WMIC.exe
Token: SeDebugPrivilege	2848	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2848	WMIC.exe
Token: SeRemoteShutdownPrivilege	2848	WMIC.exe
Token: SeUndockPrivilege	2848	WMIC.exe
Token: SeManageVolumePrivilege	2848	WMIC.exe
Token: 33	2848	WMIC.exe
Token: 34	2848	WMIC.exe
Token: 35	2848	WMIC.exe
Token: 36	2848	WMIC.exe
Token: SeDebugPrivilege	2352	powershell.exe
Token: SeDebugPrivilege	736	powershell.exe
Token: SeIncreaseQuotaPrivilege	2616	WMIC.exe
Token: SeSecurityPrivilege	2616	WMIC.exe
Token: SeTakeOwnershipPrivilege	2616	WMIC.exe
Token: SeLoadDriverPrivilege	2616	WMIC.exe
Token: SeSystemProfilePrivilege	2616	WMIC.exe
Token: SeSystemtimePrivilege	2616	WMIC.exe
Token: SeProfSingleProcessPrivilege	2616	WMIC.exe
Token: SeIncBasePriorityPrivilege	2616	WMIC.exe
Token: SeCreatePagefilePrivilege	2616	WMIC.exe
Token: SeBackupPrivilege	2616	WMIC.exe
Token: SeRestorePrivilege	2616	WMIC.exe
Token: SeShutdownPrivilege	2616	WMIC.exe
Token: SeDebugPrivilege	2616	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2616	WMIC.exe
Token: SeRemoteShutdownPrivilege	2616	WMIC.exe
Token: SeUndockPrivilege	2616	WMIC.exe
Token: SeManageVolumePrivilege	2616	WMIC.exe
Token: 33	2616	WMIC.exe
Token: 34	2616	WMIC.exe
Token: 35	2616	WMIC.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

svchost_dump_SCY - Copy.exesvchost.exe

description	pid	process	target process
PID 3288 wrote to memory of 2848	3288	svchost_dump_SCY - Copy.exe	WMIC.exe
PID 3288 wrote to memory of 2848	3288	svchost_dump_SCY - Copy.exe	WMIC.exe
PID 3288 wrote to memory of 3932	3288	svchost_dump_SCY - Copy.exe	netsh.exe
PID 3288 wrote to memory of 3932	3288	svchost_dump_SCY - Copy.exe	netsh.exe
PID 3288 wrote to memory of 4796	3288	svchost_dump_SCY - Copy.exe	netsh.exe
PID 3288 wrote to memory of 4796	3288	svchost_dump_SCY - Copy.exe	netsh.exe
PID 3288 wrote to memory of 2352	3288	svchost_dump_SCY - Copy.exe	powershell.exe
PID 3288 wrote to memory of 2352	3288	svchost_dump_SCY - Copy.exe	powershell.exe
PID 3288 wrote to memory of 736	3288	svchost_dump_SCY - Copy.exe	powershell.exe
PID 3288 wrote to memory of 736	3288	svchost_dump_SCY - Copy.exe	powershell.exe
PID 3288 wrote to memory of 4844	3288	svchost_dump_SCY - Copy.exe	schtasks.exe
PID 3288 wrote to memory of 4844	3288	svchost_dump_SCY - Copy.exe	schtasks.exe
PID 3288 wrote to memory of 1060	3288	svchost_dump_SCY - Copy.exe	schtasks.exe
PID 3288 wrote to memory of 1060	3288	svchost_dump_SCY - Copy.exe	schtasks.exe
PID 3288 wrote to memory of 1140	3288	svchost_dump_SCY - Copy.exe	svchost.exe
PID 3288 wrote to memory of 1140	3288	svchost_dump_SCY - Copy.exe	svchost.exe
PID 1140 wrote to memory of 2616	1140	svchost.exe	WMIC.exe
PID 1140 wrote to memory of 2616	1140	svchost.exe	WMIC.exe
PID 1140 wrote to memory of 4800	1140	svchost.exe	netsh.exe
PID 1140 wrote to memory of 4800	1140	svchost.exe	netsh.exe
PID 1140 wrote to memory of 3320	1140	svchost.exe	netsh.exe
PID 1140 wrote to memory of 3320	1140	svchost.exe	netsh.exe
PID 1140 wrote to memory of 4452	1140	svchost.exe	powershell.exe
PID 1140 wrote to memory of 4452	1140	svchost.exe	powershell.exe
PID 1140 wrote to memory of 4968	1140	svchost.exe	powershell.exe
PID 1140 wrote to memory of 4968	1140	svchost.exe	powershell.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\svchost_dump_SCY - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\svchost_dump_SCY - Copy.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3288

C:\Windows\System32\Wbem\WMIC.exe
WMIC /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2848

C:\Windows\System32\netsh.exe
"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="SvcHostX" dir=in action=allow program="C:\Windows\System\svchost.exe" enable=yes
2⤵
- Modifies Windows Firewall
PID:3932

C:\Windows\System32\netsh.exe
"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="SvcHostX" dir=out action=allow program="C:\Windows\System\svchost.exe" enable=yes
2⤵
- Modifies Windows Firewall
PID:4796

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath c:\windows\
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2352

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath \\?\C:\Windows \
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:736

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /TN "Timer"
2⤵
PID:4844

C:\Windows\SYSTEM32\schtasks.exe
schtasks /create /sc minute /ED "11/02/2024" /mo 7 /tn "Timer" /tr c:\windows\system\svchost.exe /ru SYSTEM
2⤵
- Creates scheduled task(s)
PID:1060

C:\Windows\System\svchost.exe
"C:\Windows\System\svchost.exe" formal
2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1140

C:\Windows\System32\Wbem\WMIC.exe
WMIC /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2616

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath c:\windows\
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4452

C:\Windows\System32\netsh.exe
"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="SvcHostX" dir=out action=allow program="C:\Windows\System\svchost.exe" enable=yes
3⤵
- Modifies Windows Firewall
PID:3320

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath \\?\C:\Windows \
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4968

C:\Windows\System32\netsh.exe
"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="SvcHostX" dir=in action=allow program="C:\Windows\System\svchost.exe" enable=yes
3⤵
- Modifies Windows Firewall
PID:4800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
5c8ea9d884103d067a1ba2e422a2b1ed

SHA1
3ddf0f71f84e1b595b6f8862c649445a6d188ed6

SHA256
d77147b11db5fdb60f2a0a1157944a3a59d713ff9996be33bd05d1e92fb2c28b

SHA512
8366f4756c2390a631d7083b03b40a335cd05ae5c302fe3512919200ac4980e8c6b94e2e9ce634ab75f6bfa06a851a23b29e43afef3ad58b1b70d3d6bc569aca

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yuq5fmak.gff.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\tor\cached-microdesc-consensus.tmp

Filesize
896KB

MD5
3ed544f2467568e466a5b539c4012277

SHA1
7b12ba54a9976b946938d39af59b00d9ac81ee73

SHA256
73d5988dbc0460020697af3fd3e3e8aa73a9ade41b55eca9673b0f1ccabe320d

SHA512
1a85ed29211a925c91e5f4114979d954a594bc07e8a50ba4262dbd4e4a4446d00e92fbd6e134721ee288f65779a3448ce57bd0ffd87a049633860c849ae22674

Download Submit
C:\Users\Admin\AppData\Roaming\tor\cached-microdescs.new

Filesize
1.5MB

MD5
d9961c5ad2af4e6326ab6cca1624d4a0

SHA1
57ce7f6b824254cdd83cc9536b0efec93a29ecb0

SHA256
edaccb1579e856cb48bee5f88bc3cb86e9a9b3f2e88b0b0b721d25a31ad29b86

SHA512
f761fbb4c031310d31d700c9348be3e97c90344644072fc3feb19c7698ad31d21a4817ddf02b7124530754a067e7c6cd5793024bf03ac15df4d65763baa3a5be

Download Submit
C:\Windows\System\svchost.exe

Filesize
386KB

MD5
54a91839f09af5db0ca7a29b7213a426

SHA1
c4171686bf0ba66e58db104d8d862017314732d7

SHA256
4210e5898d0deff6e8225cdd9fe48e35eee14006a5cdb405f8f5fa30539ba688

SHA512
9033168b652b475436f91a1e1497cc7b36123ff32e18a062ecb758020e5fe58cb0f8d364d66c8735c82ba886be43f81c8a2d8e9dfe31d0b6e99bf2c01d6e136c

Download Submit
C:\Windows\System\svchost.exe

Filesize
500KB

MD5
ec8a48d8145a05ecebab16087e7ca1e8

SHA1
fa5598653b89c284eb807ad03381d0505a01b27d

SHA256
ddb8f7a8c37033665ae31c47d05ef9f88491916300b6de5e20465b359f280107

SHA512
3ad6f8797dfe2257e857ed8803fe60a94122be8fba0bd3df2b4c65b47ed8dd73df5df94ce2d090ab04c0b49be8f47c5d0bfca636e7dd7662af969aa37ce4addb

Download Submit
C:\Windows\System\svchost.exe

Filesize
298KB

MD5
464e56584633af02d42497dff60a49ba

SHA1
03aa1e961aeb21393ddcc985e07a90571ebfc277

SHA256
a280832fd60acbdbb4e295796eb1dbb00b7a173c477a7cb80ff1cae7842cd948

SHA512
8ac8256ea2e2503b02314bf57307c685e56bb583a29c6eced19a05e3a3db3e0c95daebc10265d14ee6644df6b2e92ba20f4806cbf92d1c120830e870b695e9a7

Download Submit
memory/736-12-0x00007FF984800000-0x00007FF9852C1000-memory.dmp

Filesize
10.8MB

Download
memory/736-32-0x00007FF984800000-0x00007FF9852C1000-memory.dmp

Filesize
10.8MB

Download
memory/736-23-0x0000019A11120000-0x0000019A11130000-memory.dmp

Filesize
64KB

Download
memory/736-22-0x0000019A11120000-0x0000019A11130000-memory.dmp

Filesize
64KB

Download
memory/1140-74-0x0000000140000000-0x0000000140636000-memory.dmp

Filesize
6.2MB

Download
memory/1140-75-0x0000000036870000-0x0000000036D52000-memory.dmp

Filesize
4.9MB

Download
memory/1140-42-0x0000000140000000-0x0000000140636000-memory.dmp

Filesize
6.2MB

Download
memory/2352-25-0x000001F6C0250000-0x000001F6C0260000-memory.dmp

Filesize
64KB

Download
memory/2352-24-0x000001F6C0250000-0x000001F6C0260000-memory.dmp

Filesize
64KB

Download
memory/2352-1-0x00007FF984800000-0x00007FF9852C1000-memory.dmp

Filesize
10.8MB

Download
memory/2352-31-0x00007FF984800000-0x00007FF9852C1000-memory.dmp

Filesize
10.8MB

Download
memory/2352-7-0x000001F6D91C0000-0x000001F6D91E2000-memory.dmp

Filesize
136KB

Download
memory/3288-43-0x0000000140000000-0x0000000140636000-memory.dmp

Filesize
6.2MB

Download
memory/3288-34-0x0000000140000000-0x0000000140636000-memory.dmp

Filesize
6.2MB

Download
memory/3288-0-0x0000000140000000-0x0000000140636000-memory.dmp

Filesize
6.2MB

Download
memory/4452-53-0x00007FF984800000-0x00007FF9852C1000-memory.dmp

Filesize
10.8MB

Download
memory/4452-54-0x00000264A1800000-0x00000264A1810000-memory.dmp

Filesize
64KB

Download
memory/4452-55-0x00000264A1800000-0x00000264A1810000-memory.dmp

Filesize
64KB

Download
memory/4452-68-0x00000264A1800000-0x00000264A1810000-memory.dmp

Filesize
64KB

Download
memory/4452-70-0x00007FF984800000-0x00007FF9852C1000-memory.dmp

Filesize
10.8MB

Download
memory/4968-67-0x000002AC9CC30000-0x000002AC9CC40000-memory.dmp

Filesize
64KB

Download
memory/4968-73-0x00007FF984800000-0x00007FF9852C1000-memory.dmp

Filesize
10.8MB

Download
memory/4968-58-0x00007FF984800000-0x00007FF9852C1000-memory.dmp

Filesize
10.8MB

Download