cff5ecb06e2c06ff8b93977ab1d4348b3d25caec81547d5503fa2d620e77be30

Analysis

max time kernel
133s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 03:10

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General

Target

cff5ecb06e2c06ff8b93977ab1d4348b3d25caec81547d5503fa2d620e77be30.pdf
Size

73KB
MD5

30c754489c70ebaa5b7b5d0e39b62dbe
SHA1

47c07161696ba01b09dbb29a3ac224ff030a9d7d
SHA256

cff5ecb06e2c06ff8b93977ab1d4348b3d25caec81547d5503fa2d620e77be30
SHA512

b9625b91534febecc8e143d85785344e0c0e548cef56ef8cab93d28e3df44b03337c5d4ced34ce3d263a11d59c3c9f79e9735c5df508724e182b0af9142838fc
SSDEEP

1536:2qN6rtnk3yhijW6+zqTLN80qU2t4NBXSElT9URwA4jh9ITjmzZ:OrJVhijW6+zILNS4NBCElTOROV9ITj0

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2756	3044	AcroRd32.exe	98
PID 3044 wrote to memory of 2756	3044	AcroRd32.exe	98
PID 3044 wrote to memory of 2756	3044	AcroRd32.exe	98
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3996	2756	RdrCEF.exe	99
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100
PID 2756 wrote to memory of 3436	2756	RdrCEF.exe	100

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\cff5ecb06e2c06ff8b93977ab1d4348b3d25caec81547d5503fa2d620e77be30.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:3044
- 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:2756
- - 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=E4C4B65A78D5CE20D3BE0C95C38E203A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3996
- - 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=5B132FAD15175E73FA8CF2F7A8CCAA7D --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=5B132FAD15175E73FA8CF2F7A8CCAA7D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3436
- - 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=408049A3D15B5F6AD07FF7DFC90BDE2D --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4936
- - 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=AB1F3F3275A914F0CE3A2BF357810229 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=02C245B191C1378A8BD880C845D6E4BA --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=02C245B191C1378A8BD880C845D6E4BA --renderer-client-id=6 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4940
- - 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=E239895AF99146392458D15AEF5A4FBE --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4932

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 --field-trial-handle=4268,i,7869973516895866428,11647313872437892197,262144 --variations-seed-version --mojo-platform-channel-handle=3980 /prefetch:8
1⤵
PID:4992

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
0c0ee9911ea25f9a299223402f16c9d6

SHA1
156c52596a1521c34088c82965c8a84d11845b8f

SHA256
d409c4fb121f9b329cee7023bc16b507ee6835107afd591997b00565d84544fc

SHA512
fbaef8b90fc135ea121f25439c8425b833778ba65d8302de646e3d4aeb78113a266f294625d3a335672de662a785f0ad6828f57d4e527cad90ee34ef3ad8b408

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