ba30ea16cd8fbd9209d40ae193206ad00f042d100524cf310982c33369325ca2

max time kernel
99s
max time network
139s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
02/12/2024, 01:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
psr.exe
Size 13.4MB
Sample241202-bwgrxsslev
SHA256 ba30ea16cd8fbd9209d40ae193206ad00f042d100524cf310982c33369325ca2
MD5 33c9518c086d0cca4a636bc86728485e
SHA1 2420ad25e243ab8905b49f60fe7fb96590661f50
SHA512 6c2c470607b88e7cd79411b7a645b395cee3306a23e6ba50b8ac57f7d5529a1b350c34e19da69aeb1ffade44d5187b4a1ef209a53d21a83e9e35add10fc7867d
SSDEEP 49152:W/XzWTJmbjeHLKLpyNpaQ+69tPvGUmskDXs4Awd9CBqcUiInvlT2hPnXiwzYJ33S:W/EmGrKL2pllzP+UNkEARmzY1C
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

discovery

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\G:	psr.exe
File opened (read-only)	\??\L:	psr.exe
File opened (read-only)	\??\R:	psr.exe
File opened (read-only)	\??\V:	psr.exe
File opened (read-only)	\??\A:	psr.exe
File opened (read-only)	\??\E:	psr.exe
File opened (read-only)	\??\P:	psr.exe
File opened (read-only)	\??\U:	psr.exe
File opened (read-only)	\??\Z:	psr.exe
File opened (read-only)	\??\B:	psr.exe
File opened (read-only)	\??\M:	psr.exe
File opened (read-only)	\??\N:	psr.exe
File opened (read-only)	\??\O:	psr.exe
File opened (read-only)	\??\W:	psr.exe
File opened (read-only)	\??\S:	psr.exe
File opened (read-only)	\??\T:	psr.exe
File opened (read-only)	\??\X:	psr.exe
File opened (read-only)	\??\H:	psr.exe
File opened (read-only)	\??\I:	psr.exe
File opened (read-only)	\??\J:	psr.exe
File opened (read-only)	\??\K:	psr.exe
File opened (read-only)	\??\Q:	psr.exe
File opened (read-only)	\??\Y:	psr.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	psr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4740	psr.exe
Token: SeCreatePagefilePrivilege	4740	psr.exe

C:\Users\Admin\AppData\Local\Temp\psr.exe
"C:\Users\Admin\AppData\Local\Temp\psr.exe"
1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

CurrentDatabase_400.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Size 896KB
SHA256 a50845acc86d663a97fdef2d24b1262d352c74ad5fbe6ef2c8fa6d81e74bf358
MD5 85545ea655efc8f39968b498311cbe1b
SHA1 b370355683104e337cad8822161bbad9e3b517bc
SHA512 23824e8df50a70fc3ba462c5b4f56ed34fdda769129a4b1d54974610954686f89be213cc979961b2db40cbb1c2d20036a9bc33ae1976396ce9b799c85c40ebe8
SSDEEP 768:O7KGVp3zT13VuI61HOdrrA9abhr8fEwPRzitFrzAqUmNKX08oJImdba5aSt3Mjxv:nZP2tFPuNnY4UmqEMioTaBacg
MD5 SHA1 SHA512 SSDEEP

Submit Download

WMSDKNS.XML.bak

Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak
Size 9KB
SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
MD5 7050d5ae8acfbe560fa11073fef8185d
SHA1 5bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA512 a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
SSDEEP 96:/YkZRAF6zyHUhm77yB1pZYCEnfHrHH7B6xTGH+YCLV3zwULJEYCJWyHBt3zwFRh+:/2FV0bBPCfUdY
MD5 SHA1 SHA512 SSDEEP

Submit Download

LogoAnimation.gif

Path C:\Users\Admin\AppData\Local\Temp\LogoAnimation.gif
Size 327KB
SHA256 a90c6244e2202b30a83db9eff60c06ba73c27307c357358f76679477782453c5
MD5 93bd7bf04d77912d98aaed6decad1b8e
SHA1 885cd97fe084cc15c339aa9131dbaa98bdec38fe
SHA512 6d5c070459af13f9564514f975b0ed623518a9277d4bf359be8035dd3e15e81356017baa944042af9b8c61c78b659192aff624a262f41cffe2c282b67afe2eb4
SSDEEP 6144:KuBgNROPOxZDFFtKrr/s1WBs6CGZUX7o6vIsM8rIap99+OnpwVY5HXHsSdiB:hgWGnBeKGZULo2r0Y53MSdg
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4740-4-0x0000000006880000-0x0000000006888000-memory.dmp

Download

memory/4740-0-0x000000007440E000-0x000000007440F000-memory.dmp

Download

memory/4740-3-0x00000000068B0000-0x00000000068D6000-memory.dmp

Download

memory/4740-6-0x0000000074400000-0x0000000074BB1000-memory.dmp

Download

memory/4740-17-0x000000000C7A0000-0x000000000C7AE000-memory.dmp

Download

memory/4740-16-0x000000000C7E0000-0x000000000C818000-memory.dmp

Download

memory/4740-5-0x0000000006890000-0x000000000689A000-memory.dmp

Download

memory/4740-32-0x0000000017610000-0x0000000017632000-memory.dmp

Download

memory/4740-33-0x000000000C890000-0x000000000C898000-memory.dmp

Download

memory/4740-2-0x0000000074400000-0x0000000074BB1000-memory.dmp

Download

memory/4740-1-0x0000000000D40000-0x0000000001AAA000-memory.dmp

Download

memory/4740-48-0x000000007440E000-0x000000007440F000-memory.dmp

Download

memory/4740-49-0x0000000074400000-0x0000000074BB1000-memory.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads