c002af6712b171bdd6d280d78b5ebcbc8e44a431a2a46d7f9cbeb976d54a0cc7

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 17:40

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General

Target

3d78df9e849c6cfbd3256c6be4534c54.pdf
Size

74KB
MD5

3d78df9e849c6cfbd3256c6be4534c54
SHA1

5a7b426c2a74927f1e1fda393f2e5591ad595ad3
SHA256

c002af6712b171bdd6d280d78b5ebcbc8e44a431a2a46d7f9cbeb976d54a0cc7
SHA512

a0d694c26a28325dc5ac979ecdf9c75ac2a6925a1228cdba06f3b3c830b422f99938108238d43a72391ebff33d9be14e63f7d05c91eea0233b40c9056ad275ea
SSDEEP

1536:xg+3MFTr0u9cQfwwqLdTMJc1OcgDjQRPeW0B1Ig+q69CEh5tWspORnZG:9Mxr3cQfhcd46Ngf2k1qq69/50Rw

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4228	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe
4228	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 208	4228	AcroRd32.exe	92
PID 4228 wrote to memory of 208	4228	AcroRd32.exe	92
PID 4228 wrote to memory of 208	4228	AcroRd32.exe	92
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1720	208	RdrCEF.exe	93
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	RdrCEF.exe	94
PID 208 wrote to memory of 1860	208	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\3d78df9e849c6cfbd3256c6be4534c54.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:4228
- 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:208
- - 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=EA451C15CA7E167D4336DEB3C870561B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=30AAEA46C66DD7080EB886712E23C864 --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=30AAEA46C66DD7080EB886712E23C864 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1860
- - 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=CFCEC90859E4852D3EBEBE75F2EF6DD5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3380
- - 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=574F0E7269C76603D038E84CCF75EC95 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1148
- - 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=03C4535DF3C7ADC8BB22D3C95508DAD2 --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=03C4535DF3C7ADC8BB22D3C95508DAD2 --renderer-client-id=6 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4080
- - 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=3FFB274D6680BC0C5BD6B815D1995DCE --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:900

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4112

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
3efa85faaf29697981ea9763d9eff078

SHA1
4a77bf0b6dfd618aa7133a2289cf897ff153951b

SHA256
c334503f6478f9a5aa9f5dec44568c3a7dc7a885255be386e6a7243264364680

SHA512
5d6937ef819484eb9500189b6a3d98d7efc1175b8318578765e56058e9677a5e3797d08fa835fa960381540455cc44b3a4d544022ca45ed88e3b923b03f385bb

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