a40cac0b6ee1729cdb6fca3c950e533b913c2729afbd2fde045e86cc62c0ff60

max time kernel
580s
max time network
601s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-04-2024 07:04

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General

Target

tmp.exe
Size

9.4MB
MD5

db3edf03a8a2c8e96fe2d2deaaec76ff
SHA1

2d9c9f3a5d06f11c5c881a9df90ba33cc2894ac1
SHA256

a40cac0b6ee1729cdb6fca3c950e533b913c2729afbd2fde045e86cc62c0ff60
SHA512

121b6ba2c7a91a8639b4b88d9965528df245534ec65c4f1d463dbcc3aa2719debb4417a1a7d919527155097cc00521576b25b2d061b149d0c8b82ca999054135
SSDEEP

98304:kT2OhoLUWeKqyubAguIYylB9RK0RU4lFp887VO0J/yLaeWwGvJldmxe:VOE/IYypvU4loRpK

Score

7^/10

Malware Config

Signatures

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:

tmp.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	tmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

4436 svchost.exe
2892 svchost.exe

pid	process
4436	svchost.exe
2892	svchost.exe

Drops file in Windows directory 4 IoCs

Processes:

tmp.exesvchost.exe

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

4432 schtasks.exe

pid	process
4432	schtasks.exe

Modifies data under HKEY_USERS 8 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exepowershell.exetmp.exepowershell.exepowershell.exe

pid	process
432	powershell.exe
432	powershell.exe
880	powershell.exe
880	powershell.exe
2652	tmp.exe
2652	tmp.exe
2312	powershell.exe
2312	powershell.exe
532	powershell.exe
532	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	432	powershell.exe
Token: SeDebugPrivilege	880	powershell.exe
Token: SeDebugPrivilege	2312	powershell.exe
Token: SeDebugPrivilege	532	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

tmp.exesvchost.exe

description	pid	process	target process
PID 2652 wrote to memory of 432	2652	tmp.exe	powershell.exe
PID 2652 wrote to memory of 432	2652	tmp.exe	powershell.exe
PID 2652 wrote to memory of 880	2652	tmp.exe	powershell.exe
PID 2652 wrote to memory of 880	2652	tmp.exe	powershell.exe
PID 2652 wrote to memory of 2296	2652	tmp.exe	schtasks.exe
PID 2652 wrote to memory of 2296	2652	tmp.exe	schtasks.exe
PID 2652 wrote to memory of 4432	2652	tmp.exe	schtasks.exe
PID 2652 wrote to memory of 4432	2652	tmp.exe	schtasks.exe
PID 2652 wrote to memory of 4436	2652	tmp.exe	svchost.exe
PID 2652 wrote to memory of 4436	2652	tmp.exe	svchost.exe
PID 4436 wrote to memory of 2312	4436	svchost.exe	powershell.exe
PID 4436 wrote to memory of 2312	4436	svchost.exe	powershell.exe
PID 4436 wrote to memory of 532	4436	svchost.exe	powershell.exe
PID 4436 wrote to memory of 532	4436	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\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2652

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:432

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:880

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /TN "Timer"
2⤵
PID:2296

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:4432

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:4436

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
- Suspicious use of AdjustPrivilegeToken
PID:2312

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
- Suspicious use of AdjustPrivilegeToken
PID:532

\??\c:\windows\system\svchost.exe
c:\windows\system\svchost.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

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

Filesize
944B

MD5
ea89d89bb68741a1b919ece06a6ac4fa

SHA1
6929525e943c1f56d7fb0687aa4eb257a4e05867

SHA256
4a2aef0e425b133c6147fff146dc8e82d40bb618c9cf0c3c57446e6109ab7040

SHA512
5dd670823f70ee35bde79257a98a941f8e9b83521e3140ac48a814c2b7787ce96355a842fce961ab2770197c1a84cacf3c173c2de0c5bc5060adf9c884be4b87

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

Filesize
944B

MD5
caae66b2d6030f85188e48e4ea3a9fa6

SHA1
108425bd97144fa0f92ff7b2109fec293d14a461

SHA256
a6c642eaf80247e9682be60ab5ae9ece4d042af56013d164d8047b6fd1aefa1d

SHA512
189119a2390e51a49ea0fb8ad1427279cc2bf85f220f3212957c50b33387623b42ab7736fb5a717757b5c4b99c570e7ed2e5e6a578424aafb5c126cdf129ea15

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mwp3dhyi.t22.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
9.4MB

MD5
db3edf03a8a2c8e96fe2d2deaaec76ff

SHA1
2d9c9f3a5d06f11c5c881a9df90ba33cc2894ac1

SHA256
a40cac0b6ee1729cdb6fca3c950e533b913c2729afbd2fde045e86cc62c0ff60

SHA512
121b6ba2c7a91a8639b4b88d9965528df245534ec65c4f1d463dbcc3aa2719debb4417a1a7d919527155097cc00521576b25b2d061b149d0c8b82ca999054135

Download Submit
memory/432-19-0x0000018FE57C0000-0x0000018FE57D0000-memory.dmp

Filesize
64KB

Download
memory/432-12-0x0000018FE5740000-0x0000018FE5762000-memory.dmp

Filesize
136KB

Download
memory/432-17-0x00007FFA9CE10000-0x00007FFA9D8D1000-memory.dmp

Filesize
10.8MB

Download
memory/432-18-0x0000018FE57C0000-0x0000018FE57D0000-memory.dmp

Filesize
64KB

Download
memory/432-22-0x00007FFA9CE10000-0x00007FFA9D8D1000-memory.dmp

Filesize
10.8MB

Download
memory/532-70-0x00007FFA9CE10000-0x00007FFA9D8D1000-memory.dmp

Filesize
10.8MB

Download
memory/532-71-0x000001B836A00000-0x000001B836A10000-memory.dmp

Filesize
64KB

Download
memory/532-72-0x000001B836A00000-0x000001B836A10000-memory.dmp

Filesize
64KB

Download
memory/532-84-0x00007FFA9CE10000-0x00007FFA9D8D1000-memory.dmp

Filesize
10.8MB

Download
memory/880-39-0x00007FFA9CE10000-0x00007FFA9D8D1000-memory.dmp

Filesize
10.8MB

Download
memory/880-37-0x000001BEF11F0000-0x000001BEF1200000-memory.dmp

Filesize
64KB

Download
memory/880-35-0x000001BEF11F0000-0x000001BEF1200000-memory.dmp

Filesize
64KB

Download
memory/880-36-0x000001BEF11F0000-0x000001BEF1200000-memory.dmp

Filesize
64KB

Download
memory/880-29-0x00007FFA9CE10000-0x00007FFA9D8D1000-memory.dmp

Filesize
10.8MB

Download
memory/2312-65-0x00007FFA9CE10000-0x00007FFA9D8D1000-memory.dmp

Filesize
10.8MB

Download
memory/2312-69-0x00007FFA9CE10000-0x00007FFA9D8D1000-memory.dmp

Filesize
10.8MB

Download
memory/2312-66-0x0000026DFE160000-0x0000026DFE170000-memory.dmp

Filesize
64KB

Download
memory/2652-3-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/2652-53-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/2652-6-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/2652-4-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/2652-1-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/2652-0-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/2652-2-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/2892-156-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/2892-159-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/2892-158-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4436-51-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4436-85-0x0000000180000000-0x000000018070E000-memory.dmp

Filesize
7.1MB

Download
memory/4436-55-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4436-52-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download