db15a69d0ca99a99a6c6771ab9598bf8d93d29d036eff64f52dc262048bd8e39

Resubmissions

14/05/2024, 09:47

240514-lsl8caag51 10

14/05/2024, 09:47

240514-lsbfvabb68 10

23/04/2024, 13:16

240423-qhzsxagf46 10

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
23/04/2024, 13:16

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Report Analysis Logs

General

Target

MLD.pdf
Size

629KB
MD5

c680bf3ef7c086c42f6f3a6ce6e957d7
SHA1

30a5a66451049e4ba84e63ae8253be6ffb9d16b8
SHA256

92fbfa17b4dd1c0353ef4d7bfb5649c3a916c4e2e58303538f83db65cc709b82
SHA512

c5b35a9672fbbcfc5e2905635b4541fe0f4ce51647fbdf0e9274616de2d69bee625a84bda48b451cc546adf70add01afd696c2a449c9e58c581c57f6a66979f8
SSDEEP

12288:hVxC0WBfGHl+hcnGuOLL6r3u3Db9Ayk1s8AX3wqSkj368sSw3p7FFznkIwgx1eBV:onfi+cnGTU47k1AnwqSssvznkIwgxkBV

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	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 1968	1372	AcroRd32.exe	94
PID 1372 wrote to memory of 1968	1372	AcroRd32.exe	94
PID 1372 wrote to memory of 1968	1372	AcroRd32.exe	94
PID 1372 wrote to memory of 4284	1372	AcroRd32.exe	97
PID 1372 wrote to memory of 4284	1372	AcroRd32.exe	97
PID 1372 wrote to memory of 4284	1372	AcroRd32.exe	97
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 3644	1968	RdrCEF.exe	98
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99
PID 1968 wrote to memory of 1660	1968	RdrCEF.exe	99

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\MLD.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=EF976549BE555D4CCBBFCED89CABA90D --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3644
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C5468F447B1811D55BDD15847D3A3B93 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=C5468F447B1811D55BDD15847D3A3B93 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1660
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=6E05E8E3958CF454EE4FE7877E52A21A --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=6E05E8E3958CF454EE4FE7877E52A21A --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1384
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=6C2D6E818BB586F5CC84D61346EBDB88 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1552
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=04601E0B0B76E71CDD46882A24248EA0 --mojo-platform-channel-handle=1616 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=123BC34578000853F009EC5E250991B6 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3808
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:4284

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=3740 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
5033c4c724e19cf0304ad9bc78c3fefd

SHA1
57caf3b7d2ecd204de110151ea54463f5bc4a9ed

SHA256
c0b3046c9da7f0f4005793c4f3b3b07ca876aa0273c9aefdfaccaa3593a55ab6

SHA512
198559e2dcc7814b908b9b925073369e0dda7ae76c8cf99d3d5ef542b993e5deea4aefce4f2ed8dd51d4390847b967793c02911def811a5c9d60d7434faff7e5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit