bc19f3977391d1ce13ab733e88333d81666ad71de7466576d8354f3e8569b269

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 09:46

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General

Target

be4b9cd2e84c1744e29740cf78a374cc.exe
Size

17KB
MD5

be4b9cd2e84c1744e29740cf78a374cc
SHA1

ed35e6099897f7ac480ebc40fb68dcc75c5a52aa
SHA256

bc19f3977391d1ce13ab733e88333d81666ad71de7466576d8354f3e8569b269
SHA512

a2f035cd200c251b1992d0109159ba0c8553af457a9b96aa7e30c189efe3d23a53f1d08379f02f375ca221a9613c450df248e9f68919688023b24b0767fee42e
SSDEEP

384:s5wTs403c90rqxWO6UFjivzTYX9kD7qNezStCAoQ5O6m:GFVqxaUFsTf/qPZ5Fm

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	LYLOADMR.EXE

Deletes itself 1 IoCs

pid	Process
4924	LYLOADMR.EXE

Executes dropped EXE 1 IoCs

pid	Process
4924	LYLOADMR.EXE

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SHQMANGR.DLL	LYLOADMR.EXE
File created	C:\Windows\SysWOW64\SHQ.DLL	LYLOADMR.EXE
File created	C:\Windows\SysWOW64\REGKEY.hiv	LYLOADMR.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4924	LYLOADMR.EXE
4924	LYLOADMR.EXE
4924	LYLOADMR.EXE
4924	LYLOADMR.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeRestorePrivilege	4924	LYLOADMR.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 4924	4544	be4b9cd2e84c1744e29740cf78a374cc.exe	96
PID 4544 wrote to memory of 4924	4544	be4b9cd2e84c1744e29740cf78a374cc.exe	96
PID 4544 wrote to memory of 4924	4544	be4b9cd2e84c1744e29740cf78a374cc.exe	96
PID 4924 wrote to memory of 3332	4924	LYLOADMR.EXE	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3332
- C:\Users\Admin\AppData\Local\Temp\be4b9cd2e84c1744e29740cf78a374cc.exe
  "C:\Users\Admin\AppData\Local\Temp\be4b9cd2e84c1744e29740cf78a374cc.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4544
- - C:\Users\Admin\AppData\Local\Temp\LYLOADMR.EXE
    C:\Users\Admin\AppData\Local\Temp\LYLOADMR.EXE "C:\Users\Admin\AppData\Local\Temp\be4b9cd2e84c1744e29740cf78a374cc.exe"
    3⤵
    - Adds policy Run key to start application
    - Deletes itself
    - Executes dropped EXE
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4924

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4272 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:1308

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\LYLOADMR.EXE

Filesize
13KB

MD5
f071f6d487bd5941ceb20e524412295e

SHA1
6ff3e2c7cd1d63cafdcbaeebbdfc6c87345aac32

SHA256
e7412e454a628b775d6c521607505e57a417d9e55046675fa2fd3c077f17c837

SHA512
78aeb406274fca62d4391f82ac801bef915b4c1cefb23a0c2212b9591d8fa2724916f6a9bfc8b82c89fd95b2581e0b5f1bf68841bdc06663009b7a31d67b230d

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