5d8d697707c89466cfe203bde7e242680d020646bd5e49edaabd67fc6a7d6321

Resubmissions

08/05/2024, 20:14

240508-y1cebsfh84 5

08/05/2024, 20:11

240508-yygw2afg78 6

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 20:14

Sharing

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Reason

Machine shutdown

Report Analysis Logs

General

Target

Steam.exe
Size

4.2MB
MD5

7c2056e7337a5f29d2e5d3c67830745f
SHA1

d502f5c22895a859056930a5489192873cd04673
SHA256

3f321dbbc60371a585d60b17e3f67386bf1792b430d20071ca0e3efd9dbae99d
SHA512

c729dbee4d528d05d2a6d25ea105d8f34bb9087b9151c0b31a59337e444e4bccb1f3e49fce122fb3dd7b65132a15a0c8b5618c853287fecbe5427376200b2495
SSDEEP

98304:+bgwm93udfvBtp0vrjT/KFdGRv/SrbeJo7P0:utm81pjWzEfbe27P0

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Steam.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Steam.exe

Modifies system certificate store 2 TTPs 2 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	Steam.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	Steam.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2712	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2712	AUDIODG.EXE
Token: 33	2712	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2712	AUDIODG.EXE

C:\Users\Admin\AppData\Local\Temp\Steam.exe
"C:\Users\Admin\AppData\Local\Temp\Steam.exe"
1⤵
- Checks processor information in registry
- Modifies system certificate store
PID:2208

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2736

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x58c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2712

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

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\Temp\package\tmp\graphics\[email protected]_

Filesize
15KB

MD5
577b7286c7b05cecde9bea0a0d39740e

SHA1
144d97afe83738177a2dbe43994f14ec11e44b53

SHA256
983aa3928f15f5154266be7063a75e1fce87238bbe81a910219dea01d5376824

SHA512
8cd55264a6e973bb6683c6f376672b74a263b48b087240df8296735fd7ae6274ee688fdb16d7febad14288a866ea47e78b114c357a9b03471b1e72df053ebcb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\package\tmp\graphics\icon_button_news_mousedown.tga_

Filesize
20KB

MD5
00bf35778a90f9dfa68ce0d1a032d9b5

SHA1
de6a3d102de9a186e1585be14b49390dcb9605d6

SHA256
cab3a68b64d8bf22c44080f12d7eab5b281102a8761f804224074ab1f6130fe2

SHA512
342c9732ef4185dee691c9c8657a56f577f9c90fc43a4330bdc173536750cee1c40af4adac4f47ac5aca6b80ab347ebe2d31d38ea540245b38ab72ee8718a041

Download Submit
C:\Users\Admin\AppData\Local\Temp\package\tmp\resource\filter_clean_bulgarian.txt.gz_

Filesize
23B

MD5
836dd6b25a8902af48cd52738b675e4b

SHA1
449347c06a872bedf311046bca8d316bfba3830b

SHA256
6feb83ca306745d634903cf09274b7baf0ac38e43c6b3fab1a608be344c3ef64

SHA512
6ab1e4a7fa9da6d33cee104344ba2ccb3e85cd2d013ba3e4c6790fd7fd482c85f5f76e9ae38c5190cdbbe246a48dae775501f7414bec4f6682a05685994e6b80

Download Submit
memory/1104-5983-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

Filesize
4KB

Download
memory/2736-5982-0x0000000002E10000-0x0000000002E11000-memory.dmp

Filesize
4KB

Download