99159fc3dea159f85a04a3f4211cc871b621d145199a4ed4b65aa647cd722e2d

Analysis

max time kernel
141s
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
04-02-2024 08:40

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General

Target

8eb599ccc9293c594d24ac6f2268acb1.pdf
Size

79KB
MD5

8eb599ccc9293c594d24ac6f2268acb1
SHA1

d30addccda36f9168782c626be3068ba15827a63
SHA256

99159fc3dea159f85a04a3f4211cc871b621d145199a4ed4b65aa647cd722e2d
SHA512

6b122d6696998e09e16fb87601e5309300baa1fa8c84539461eac1893070cff2c5197b991cf3cf7f277f3178bbe24ab1e92e0cbe85fb90fb175f6ea18a69ae10
SSDEEP

1536:WW7udEJaBk7tJ65NacFX/H8Cyw+h51puYc5LiqjszsljzKgkys+ajITyGxwp62RB:iUik7tJSbdcC9moZIzslvTgn5/RZCkJ

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
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2244	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 1128	2244	AcroRd32.exe	88
PID 2244 wrote to memory of 1128	2244	AcroRd32.exe	88
PID 2244 wrote to memory of 1128	2244	AcroRd32.exe	88
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 3132	1128	RdrCEF.exe	89
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90
PID 1128 wrote to memory of 2828	1128	RdrCEF.exe	90

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\8eb599ccc9293c594d24ac6f2268acb1.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:2244
- 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:1128
- - 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=7335C14073823262EBC0C163432B4CFF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132
- - 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=3CBA44A9F6A506BB070D525EB46CD49F --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=3CBA44A9F6A506BB070D525EB46CD49F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2828
- - 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=D3CC938229A6E67E531A9975B2347CE0 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2948
- - 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=5295C44D4E56E3530AFDEAB017714F0F --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660
- - 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=EFE1A075B2CCEFB10D34B818E71E20A1 --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=EFE1A075B2CCEFB10D34B818E71E20A1 --renderer-client-id=6 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=40C3381CCFFC0B7977D1DD9CB2FE6D87 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2832

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3272

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
6b467e26d5751fa7c666846eb826d47d

SHA1
e66e39b883e8110eb89379ad9d7ed02c8a3e13ff

SHA256
564d07cfc3393dce304d348b7c06bc260e4179aa184d6973910ed433e7ea04d7

SHA512
8fea15c449aa0a0ac2d15696032a9e7c268d5dafffd9607b67c7da9afca3e37346d1d295369dc0bb873fc693d03a3103f12bdc2665481efa85e3a3907c0ee06f

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/2244-26-0x000000000B890000-0x000000000B8E0000-memory.dmp

Filesize
320KB

Download