ced1eb54a29d40f27976261f116b9936adb83ae779262a44766eec4dfc425f33

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
24/01/2024, 02:31

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General

Target

71368fcbe34bc4c95e35f7c3cce45a66.pdf
Size

86KB
MD5

71368fcbe34bc4c95e35f7c3cce45a66
SHA1

f7c581d5785a9764aead53b98554a69b232a135c
SHA256

ced1eb54a29d40f27976261f116b9936adb83ae779262a44766eec4dfc425f33
SHA512

5421ffbde4b55ab141f6f191bf93f4432ccdef6dbb585aa0d1dca817aa43821d01288d0d31cd903feec3a7211c7b986abdeabb2fb019c6afaf89779a61ddae7c
SSDEEP

1536:18jswOk+ekwGwfixZK87Tx3DDu9UHQ9zLE4w331cjCmr2Rw/Zw1k+YWapOtQHWaJ:cspek9wfUJfJumHQJg33UrwIW2+BtQnJ

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
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 4664	3108	AcroRd32.exe	92
PID 3108 wrote to memory of 4664	3108	AcroRd32.exe	92
PID 3108 wrote to memory of 4664	3108	AcroRd32.exe	92
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 2468	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	RdrCEF.exe	94
PID 4664 wrote to memory of 436	4664	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\71368fcbe34bc4c95e35f7c3cce45a66.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:3108
- 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:4664
- - 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=26DA7CD70BAF1EC649D3F3B9B76F3E89 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2468
- - 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=63E3AD4A12AC0C768C1843573DCE3437 --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=63E3AD4A12AC0C768C1843573DCE3437 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:436
- - 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=EFCD13046CCE94F1162E67A7655595A4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996
- - 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=F0696353B42C9E7C8CA2E03F71F0CDA9 --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=F0696353B42C9E7C8CA2E03F71F0CDA9 --renderer-client-id=5 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1700
- - 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=259E34537F663AD8C381FC448EC8B719 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3228
- - 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=D8C1849A008225305AD0DFFBF58BF6AB --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:368

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2808

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
673eaa4b8ddaec56c596fce501021dda

SHA1
04705e18d508110bea3e4473af880d9c576b3e82

SHA256
356dec3625c239085f10413ee5d7b1dd53629dea6a4026ba1b035d4d33ddb8eb

SHA512
4cacdd79184518259b237c9438db98822049b1d0bc5c706d6f9c480327ac94522dbda01c10e13e68473a7187f996bf82d66531b4e398e55e8818c1aeaaff40ee

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/3108-26-0x000000000C220000-0x000000000C270000-memory.dmp

Filesize
320KB

Download