f87dfb7128cb0ecfbaa1acb569ac602443dfa2729efb2be1b7206d8c1ae843f2

Analysis

max time kernel
140s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 22:39

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General

Target

97ca956979211b2d868f019505eda60b.pdf
Size

93KB
MD5

97ca956979211b2d868f019505eda60b
SHA1

b827704724e57876d0e0cfa9a0def612485eb29d
SHA256

f87dfb7128cb0ecfbaa1acb569ac602443dfa2729efb2be1b7206d8c1ae843f2
SHA512

d9024390356d95d800f6320cac2949ee76f66140b21c556c764985b6fade4171ab024d2d0b7a0fef86b48bfc668d8606f6594c9951cdbd8a65a24ada3a0a7ce4
SSDEEP

1536:I5HtyvJ4Wk5NfQ1yqDh3vUDYhY5Z0DjzLZ+BK53pWDiS7aHiIlFZ4yFW8pO7Euj:O4xrsfiyqD9UDD+jzLZ+BKY7Ezlj4yEx

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 3204	4116	AcroRd32.exe	85
PID 4116 wrote to memory of 3204	4116	AcroRd32.exe	85
PID 4116 wrote to memory of 3204	4116	AcroRd32.exe	85
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	86
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87
PID 3204 wrote to memory of 372	3204	RdrCEF.exe	87

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\97ca956979211b2d868f019505eda60b.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:4116
- 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:3204
- - 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=CD61C69E916763B7CE98231156C06694 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012
- - 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=ED5B2E0A181FB5FDA244D703D7D4B945 --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=ED5B2E0A181FB5FDA244D703D7D4B945 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:372
- - 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=7A83C58094F53455B0C0D20C403AFFC1 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4580
- - 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=559AF2EFC6BE45D49C1AEDE56F1876EF --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=559AF2EFC6BE45D49C1AEDE56F1876EF --renderer-client-id=5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4624
- - 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=88909B2776C51CBF267C821E1320B327 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1648
- - 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=C3441D3E70213D5F3B6EA13C0F16D558 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3420

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
b3b557e71a748d6a5051bab27d8cc5c2

SHA1
a99ef3870fd5f67e59930b934deda472971ab5db

SHA256
85066109080eee9e9322f77d70cf60f860b6797f1a626c3fa8f50cd118a20d4c

SHA512
d74bea73ee706de3560434ceaf5378a3d25091e0382ec820c16e641002807eaf6ccdc8e80a3cc9a4179875bae411b4ae4a877228d5945370b547f3148be4d089

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/4116-26-0x000000000C630000-0x000000000C680000-memory.dmp

Filesize
320KB

Download