be2dd3e43cb833b6a9c43781ded1f19ceb237671369e42f5ea68508e58f8095d

Analysis

max time kernel
155s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 03:07

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General

Target

c7870d0c5ca529d17976809e7d040e42.pdf
Size

144KB
MD5

c7870d0c5ca529d17976809e7d040e42
SHA1

b2e4915c435c2362cd352edddc7d382c57c972b2
SHA256

be2dd3e43cb833b6a9c43781ded1f19ceb237671369e42f5ea68508e58f8095d
SHA512

81c733fe89bd8163e743ba68fc2ff6ccaa3272055ae24b5ba850788865109055f93a819d18210cafb296e6b2f9ae92beffbc9d7c07cbebc89a925b6b1c13e6a3
SSDEEP

3072:BNn8ZGPKrIezmXwqGB9eRge2tMOBIpoeeJYwrv3aKezrAz8yDR9Y/:BNo4KEezmXSLeRge2qO6UJ57rVe

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe
4724	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 3888	4724	AcroRd32.exe	99
PID 4724 wrote to memory of 3888	4724	AcroRd32.exe	99
PID 4724 wrote to memory of 3888	4724	AcroRd32.exe	99
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3716	3888	RdrCEF.exe	101
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102
PID 3888 wrote to memory of 3456	3888	RdrCEF.exe	102

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\c7870d0c5ca529d17976809e7d040e42.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:4724
- 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:3888
- - 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=8E5190663C01128DE26967BE78C1AEAC --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3716
- - 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=487A911E1C2B7CEFE3427A0AAEA64366 --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=487A911E1C2B7CEFE3427A0AAEA64366 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3456
- - 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=0386562F2E47E1185C24BF413361FE87 --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=0386562F2E47E1185C24BF413361FE87 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2764
- - 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=C6E93F53A0E0A26EDBA8B535DCF4AB49 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:892
- - 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=3CC579ED7ED2DED00FA02A41E543567D --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1504
- - 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=F4B1BB3E03B068C45D0B4B3DAC28DE1A --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2696

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=4060 --field-trial-handle=2272,i,11831746627654527593,10138103687018060346,262144 --variations-seed-version /prefetch:8
1⤵
PID:5896

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
f1eac978d21c8541c38963029f0ee123

SHA1
3fb2fd840262b46da262a4ec902f9e782f5d622a

SHA256
b15d748552fcfd32a07e2eea3202ec60e3bf82a8fe2d952b1a9b55fe7715592c

SHA512
014e50e9a08962d68e964f08319ef4688bcaf2284b34a54f6bc2bbe2aa63ac56e904671192da2ef3ad6da55de53b4e2b173bdd722e0bae1017723a8d12b255a2

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