a40cac0b6ee1729cdb6fca3c950e533b913c2729afbd2fde045e86cc62c0ff60

max time kernel
145s
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
15-01-2024 20:15

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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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	tmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1192 svchost.exe

pid	process
1192	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

656 schtasks.exe

pid	process
656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

powershell.exepowershell.exetmp.exepowershell.exepowershell.exe

pid	process
4408	powershell.exe
4408	powershell.exe
4140	powershell.exe
4140	powershell.exe
4408	powershell.exe
4140	powershell.exe
4292	tmp.exe
4292	tmp.exe
5940	powershell.exe
5940	powershell.exe
4472	powershell.exe
4472	powershell.exe
4472	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4408	powershell.exe
Token: SeDebugPrivilege	4140	powershell.exe
Token: SeDebugPrivilege	5940	powershell.exe
Token: SeDebugPrivilege	4472	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

tmp.exesvchost.exe

description	pid	process	target process
PID 4292 wrote to memory of 4408	4292	tmp.exe	powershell.exe
PID 4292 wrote to memory of 4408	4292	tmp.exe	powershell.exe
PID 4292 wrote to memory of 4140	4292	tmp.exe	powershell.exe
PID 4292 wrote to memory of 4140	4292	tmp.exe	powershell.exe
PID 4292 wrote to memory of 1564	4292	tmp.exe	schtasks.exe
PID 4292 wrote to memory of 1564	4292	tmp.exe	schtasks.exe
PID 4292 wrote to memory of 656	4292	tmp.exe	schtasks.exe
PID 4292 wrote to memory of 656	4292	tmp.exe	schtasks.exe
PID 4292 wrote to memory of 1192	4292	tmp.exe	svchost.exe
PID 4292 wrote to memory of 1192	4292	tmp.exe	svchost.exe
PID 1192 wrote to memory of 5940	1192	svchost.exe	powershell.exe
PID 1192 wrote to memory of 5940	1192	svchost.exe	powershell.exe
PID 1192 wrote to memory of 4472	1192	svchost.exe	powershell.exe
PID 1192 wrote to memory of 4472	1192	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:4292

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:4408

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:4140

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /TN "Timer"
2⤵
PID:1564

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:656

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:1192

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:5940

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:4472

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
34f595487e6bfd1d11c7de88ee50356a

SHA1
4caad088c15766cc0fa1f42009260e9a02f953bb

SHA256
0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d

SHA512
10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4gkou3f1.g2j.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\System\svchost.exe
Filesize
4.3MB

MD5
2a0c4744b2a4d94269b86c92684eed07

SHA1
fc2628295c1b3088079d89296f77d6ca2df79fb1

SHA256
528d1f180f8facc1fb98fa34f6fdcc94adbcfdcd15939f827d8b3a813ccb3610

SHA512
a22e3ed7329ccbfae13f4960023197f3046f62f32ffb8a1b0456ba782f5f65d9993478548f3c099ef6663b06b2d296483788721b53b0a5828b8b23c5fe699aab

Download Submit
C:\Windows\System\svchost.exe
Filesize
3.7MB

MD5
9eaa9be241ea3739d5113152c8e6cc30

SHA1
5ab4e0259b9bd044ac912085ee45dd7c491223f1

SHA256
1a2aeb858e1825e80e88c07a6b69af541107b56606ab3f978ca9519b4e82a895

SHA512
cacd816f5a18687545c3e2ff48879a6110001a9744f236502a3225e934b7ec84a723dcdb7357bc63cff1678b75e939c53e1c1e90ba7042b44cc9ac839b6faff9

Download Submit
C:\Windows\System\svchost.exe
Filesize
4.7MB

MD5
15b638338ed29221ced29796347c3e99

SHA1
82c3c263b924e77bab38f0ed9f7217509d7d04bc

SHA256
794c491eb93b9fc4a4606886718329230a433d09a2915eb093af14dc590034f8

SHA512
431dad2f1f8be030ef822ad8300a4d817cad70be1773bd5cddeff5b4ba326939a8e4410726cbde29783561529f398a84268f99cc1d9f24ce8d510c523d02be15

Download Submit
memory/1192-48-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/1192-82-0x0000000180000000-0x000000018070E000-memory.dmp

Filesize
7.1MB

Download
memory/1192-81-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/1192-50-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4140-28-0x000001A195AD0000-0x000001A195AE0000-memory.dmp

Filesize
64KB

Download
memory/4140-27-0x000001A195AD0000-0x000001A195AE0000-memory.dmp

Filesize
64KB

Download
memory/4140-26-0x00007FFD01480000-0x00007FFD01F41000-memory.dmp

Filesize
10.8MB

Download
memory/4140-35-0x00007FFD01480000-0x00007FFD01F41000-memory.dmp

Filesize
10.8MB

Download
memory/4292-0-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4292-51-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4292-38-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4292-4-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4292-1-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4292-3-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4292-2-0x0000000140000000-0x0000000140A64400-memory.dmp

Filesize
10.4MB

Download
memory/4408-16-0x000002AC24C40000-0x000002AC24C50000-memory.dmp

Filesize
64KB

Download
memory/4408-36-0x00007FFD01480000-0x00007FFD01F41000-memory.dmp

Filesize
10.8MB

Download
memory/4408-29-0x000002AC24C40000-0x000002AC24C50000-memory.dmp

Filesize
64KB

Download
memory/4408-15-0x00007FFD01480000-0x00007FFD01F41000-memory.dmp

Filesize
10.8MB

Download
memory/4408-14-0x000002AC0C7B0000-0x000002AC0C7D2000-memory.dmp

Filesize
136KB

Download
memory/4472-66-0x00000222BF450000-0x00000222BF460000-memory.dmp

Filesize
64KB

Download
memory/4472-65-0x00007FFD01480000-0x00007FFD01F41000-memory.dmp

Filesize
10.8MB

Download
memory/4472-80-0x00007FFD01480000-0x00007FFD01F41000-memory.dmp

Filesize
10.8MB

Download
memory/5940-64-0x0000028E92B10000-0x0000028E92B20000-memory.dmp

Filesize
64KB

Download
memory/5940-62-0x0000028E92B10000-0x0000028E92B20000-memory.dmp

Filesize
64KB

Download
memory/5940-61-0x00007FFD01480000-0x00007FFD01F41000-memory.dmp

Filesize
10.8MB

Download
memory/5940-77-0x00007FFD01480000-0x00007FFD01F41000-memory.dmp

Filesize
10.8MB

Download