bf5b0c7c03b3f503983c60c9c2585debedb9702b940dd0208abadb5693c3cb27

Analysis

max time kernel
153s
max time network
153s
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, 16:53

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General

Target

bf1eddd64c82dda1ea26068bc53c978a.pdf
Size

71KB
MD5

bf1eddd64c82dda1ea26068bc53c978a
SHA1

d68f9c279b2b2c8fa318165c80960e2bc75835d7
SHA256

bf5b0c7c03b3f503983c60c9c2585debedb9702b940dd0208abadb5693c3cb27
SHA512

8cfab029a30eb566fa27fd4258524a85c1f78860a333231d8e18e15f262e5e1da46a2d3a05537ba6d7359f54e4f8fb9719a6c712a72d6534301455e71d7b9e2f
SSDEEP

1536:jH/dXvpMByyQkgtvK5wrHZYXrgxT3WAGvZ2WCpOViBKW1AKcDgK:L9xlyQkccsQrgtwZrViD1tc5

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
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2212	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe
2212	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 4172	2212	AcroRd32.exe	101
PID 2212 wrote to memory of 4172	2212	AcroRd32.exe	101
PID 2212 wrote to memory of 4172	2212	AcroRd32.exe	101
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 1088	4172	RdrCEF.exe	103
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104
PID 4172 wrote to memory of 2440	4172	RdrCEF.exe	104

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\bf1eddd64c82dda1ea26068bc53c978a.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:2212
- 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:4172
- - 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=87CE5AB2763CD9746D0151204E25A883 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1088
- - 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=2F8944B99B3A27C7DE9285339B7AB700 --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=2F8944B99B3A27C7DE9285339B7AB700 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2440
- - 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=F23CA819B3C9E49B716636C2201208A3 --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=F23CA819B3C9E49B716636C2201208A3 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4544
- - 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=193FE049D4A7A29703871028CDDBAF5B --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:408
- - 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=C562079B2DD21EEA34554710C8179186 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2456
- - 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=C22EE18C6D204B83B76B04EBA0079728 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624
- 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:2464

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1576

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=3704 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:872

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
6c2c4d84aac66e04376bf03b2412da76

SHA1
d126a0d2cec92752484ee3913f75295e5a815d5b

SHA256
1cd86224d1f6fb47c36f440ed49372fb5873b1cf14ab45e2c5b671eb34317b40

SHA512
2c92a0aa622497088e3d81cc3a247291802061d42b18783e9633f4a8af3ae95275b888a83eb4d15d939d69fe65001bf620c246dc6a76d618a032541d3705ceb2

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