5d932dcb086461806231e647f04558b0b19ebc1f5492ff1ed5d0481aec5fc86e

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2024 14:05

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General

Target

e1d77a84ed4a24e375a59ec045ae0586.pdf
Size

35KB
MD5

e1d77a84ed4a24e375a59ec045ae0586
SHA1

3f2b14135eb1a8e893cc716317ffec85e826b354
SHA256

5d932dcb086461806231e647f04558b0b19ebc1f5492ff1ed5d0481aec5fc86e
SHA512

e587e37e931fdf6966b66fb8bfd2c9ea4e6831028798b5d2f1c2efbe77a15f12262c8a54dcae18d117512e558b06278e4a0b214595f9b0cd79fac579a441897c
SSDEEP

768:Pg2xlqo6I2eX/chwehdgfGl/1BBxxOvGqXW2Km+:Pgvhfhw8SfGldbxxOmdm+

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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 2452	1440	AcroRd32.exe	99
PID 1440 wrote to memory of 2452	1440	AcroRd32.exe	99
PID 1440 wrote to memory of 2452	1440	AcroRd32.exe	99
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 4648	2452	RdrCEF.exe	102
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103
PID 2452 wrote to memory of 1028	2452	RdrCEF.exe	103

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\e1d77a84ed4a24e375a59ec045ae0586.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:1440
- 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:2452
- - 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=211C1156FFBDE093F570B3DCB49625F4 --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=211C1156FFBDE093F570B3DCB49625F4 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4648
- - 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=923B7E9445410B35862786A87BDDC9FF --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1028
- - 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=89FC5C760234F00497774573924361E3 --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=89FC5C760234F00497774573924361E3 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3220
- - 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=3DB30712A2243CBAF2036BBE00F62704 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3640
- - 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=DE74FD4CA31CC8020633ED3665E5CC5D --mojo-platform-channel-handle=2100 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2384
- - 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=8921A77FD8AC58A7A2006B7A39466766 --mojo-platform-channel-handle=2616 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5020

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=4056 --field-trial-handle=2276,i,5672504106535478802,17394903851940863593,262144 --variations-seed-version /prefetch:8
1⤵
PID:5916

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

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Downloads

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

Filesize
64KB

MD5
40431c52cde985086828bec42878a321

SHA1
748a7b76a5c0a2632a5b58a4d1adbbe119f110ea

SHA256
a2f392b83dda6639b0a77a4ef192306e16b2cc620d7f5405813bcd249e5375b5

SHA512
6aac7333eeb3c5cd7db0042a42cbde521e6000fcf400983c61685f8756d8eb0a6dae0281742384037e553e58878215010f5998ba4f3bb25883c0731f10815346

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
379df73b5736457ce80c444fd20b90df

SHA1
1f00f3867a228e1845812ec83cb67b0653983f72

SHA256
e80d2aefec2cb9adbf7f4b3b95f9d5ed01aa129e5bf07e51f3fba29600c67171

SHA512
c5547d334c1b38a2ebb1b0e51a4d97f2cd71300b0e8e2d8cd5207f12a463e56820626ca6527a94c5239a43784d479fddaccb6ed3b14ddaa8311a77f58ba62d74

Download Submit