6593ad36d79c6c5ec34fca4432878c12b0c2c1d9a6307e2f4dd6eca7fd362e39

Analysis

max time kernel
145s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 03:45

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General

Target

ca66c7140c6c1b02f20ef67028659f36.pdf
Size

86KB
MD5

ca66c7140c6c1b02f20ef67028659f36
SHA1

2e0b106d407303e6830b07ef21f53f008aabb08f
SHA256

6593ad36d79c6c5ec34fca4432878c12b0c2c1d9a6307e2f4dd6eca7fd362e39
SHA512

d292a5895f77dc6b0b7b1893a9853fb5a392d65d95c72304b6f08953d636301e75b3472bf2bc41ee6d2937d1f2e91ea0685e4cbb9725db0c5587a3da7d780c7b
SSDEEP

1536:uLNfwgYBiJLd6yyDSIfGQziIAciV2YCubWm+IyW21ks8U9UsbQ9WgWUpO7zbnK:iNf6BmLoqIOQGIMgY3Wm+Jl99UT9Wj7y

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe
4984	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 2196	4984	AcroRd32.exe	90
PID 4984 wrote to memory of 2196	4984	AcroRd32.exe	90
PID 4984 wrote to memory of 2196	4984	AcroRd32.exe	90
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 840	2196	RdrCEF.exe	93
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 4852	2196	RdrCEF.exe	94

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\ca66c7140c6c1b02f20ef67028659f36.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:4984
- 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:2196
- - 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=CC8A9B0957EDE3E57FCEB7DEDB9115B9 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:840
- - 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=62E79FDAADB06A8D7D103DDF8CB7B19F --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=62E79FDAADB06A8D7D103DDF8CB7B19F --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4852
- - 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=C407F0F2D2903DD767AB9072953CC30A --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=C407F0F2D2903DD767AB9072953CC30A --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1336
- - 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=EB5E760DA97F013AEDE4FBF0BE4B6B03 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4572
- - 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=33A492B190336CA91B31A85FAE44E777 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1216
- - 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=3A5FC22C59AA5487A34EC0667483684C --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3228

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
cce7de901209bcc77be2c9cfade3c754

SHA1
25d0913c9bf8210db5c625c67bd8efdb794846ca

SHA256
7500c434c01a2884df07e7eee7a37e92b77762bee179dcda47355210d944dfdf

SHA512
6589a9118c83569b9762116bbd679e6c9102d866b09eafad5e7f3a95ad534fa4c306f4b0ec0f62fcb5118e04e0df425eea4be3255c12aeb484a8f13e974f8f84

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
memory/4984-28-0x000000000AE00000-0x000000000AE21000-memory.dmp

Filesize
132KB

Download