8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91

Resubmissions

09/04/2024, 10:06

240409-l5bmdacc75 7

09/04/2024, 10:05

09/04/2024, 10:05

09/04/2024, 10:05

29/01/2024, 04:54

Analysis

max time kernel
293s
max time network
305s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
09/04/2024, 10:06

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General

Target

8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe
Size

1.9MB
MD5

d5057eda9b4251e0e52fb2d8524cfa57
SHA1

327f6d72563fdfb1ab206ac9a3b2d4c770d066f5
SHA256

8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91
SHA512

24d423aa3d71b12af016c5918940d4984f1640f902dc36adc9a29dd9980baa2210ea250111b052dc9fdc5cdfbea8ece8813494f2d2ccecefa60f224a3d731fb2
SSDEEP

24576:OPUnujryKC12iAlGaRctykklEPjJ3QIzs6yBKSolGIUOVPgJAt8EnZapKtpMh6co:9Dr2iAcKcC+N3Bs6ywSz5SSAza88hqx

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 36 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/memory/124-3-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-5-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-6-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-7-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-8-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-9-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-14-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-15-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-16-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-17-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-34-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-36-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-49-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-53-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-57-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-58-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-59-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-63-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-64-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-65-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-66-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-67-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-71-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-72-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-73-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-74-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-75-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-79-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-80-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-81-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-82-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-83-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-87-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-88-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-89-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/124-96-0x0000000000400000-0x0000000000848000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\""	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2092 set thread context of 124	2092	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe	79

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
124	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe
124	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe
124	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe
124	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe
124	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe
124	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 124	2092	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe	79
PID 2092 wrote to memory of 124	2092	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe	79
PID 2092 wrote to memory of 124	2092	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe	79
PID 2092 wrote to memory of 124	2092	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe	79
PID 2092 wrote to memory of 124	2092	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe	79
PID 2092 wrote to memory of 124	2092	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe	79
PID 2092 wrote to memory of 124	2092	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe	79
PID 2092 wrote to memory of 124	2092	8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe	79

C:\Users\Admin\AppData\Local\Temp\8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe
"C:\Users\Admin\AppData\Local\Temp\8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe
  "C:\Users\Admin\AppData\Local\Temp\8a531865aa5785bb7b20574bb347744a5d83cf8719c6809217402b4fa5fbde91.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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\4KPV6A~1\cached-microdesc-consensus

Filesize
2.6MB

MD5
21112c87b4bb2b0bb8004c1f1653d36e

SHA1
31aed7e1843c4cc528931710ba578f909e71d764

SHA256
556b87267249b63a0e4ab4e0afd7924e88f72e036c55c1e18c40c7889762449c

SHA512
b95c5603d090c79c8e67bd8f6f5cedffd2d0c5b1d453489d99733997ff2722d83a138c925790ed4341d61756f859ff5523ef54674553b6602b730a7042eccb2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdescs.new

Filesize
10.2MB

MD5
9c5846959e6f48c287a3a004256c310e

SHA1
19be9c64cf0548b3f73e9082bedf9e0e967d4848

SHA256
076601d40af7ea3500daff9167ba1b8001613e296c7ebfef88074d26e7d74d35

SHA512
1da7f958a5e0997980c0d66d037f7ec9dd3d665213d9d99af6642df8518b10123f17288f0248182238f8f709a4e3651acf9cc5459ad8ae36ff1903ce69ac6756

Download Submit
memory/124-59-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-63-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-6-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-7-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-8-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-9-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-14-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-15-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-16-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-64-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-3-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-96-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-34-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-36-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-49-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-53-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-57-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-58-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-5-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-89-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-17-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-65-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-66-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-67-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-71-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-72-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-73-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-74-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-75-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-79-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-80-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-81-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-82-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-83-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-87-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/124-88-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2092-1-0x0000000000EB0000-0x000000000106C000-memory.dmp

Filesize
1.7MB

Download
memory/2092-2-0x0000000002A50000-0x0000000002C07000-memory.dmp

Filesize
1.7MB

Download