b5112c14658c1792aac8c0c5f7540dd655c841a7c3dc447428304a0bf7102fbc

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 19:28

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General

Target

68725d83c809d148ea53e9df7eaf5643.pdf
Size

86KB
MD5

68725d83c809d148ea53e9df7eaf5643
SHA1

df886a8083d8f03daa14d1a3ba2b1f4c42c4f6c6
SHA256

b5112c14658c1792aac8c0c5f7540dd655c841a7c3dc447428304a0bf7102fbc
SHA512

322d600d2e050ce75f7a5bd627b7f9c113285bb748ffb9cd0dfe7bfe778907b214dd6b4e157a21339c5ce6f06eaf90f2c31ab5b3f261b90dc435bdcdeee3814d
SSDEEP

1536:44h2wUzf1i94H+RSIwfO+UFnBJ4/nl6Hb5YZ0IohWo1c7dSlfjWOpOwrD7NpPbI:6Zzf1i9tyAXJ4NZoW7E1Awr/N+

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 4172	2468	AcroRd32.exe	93
PID 2468 wrote to memory of 4172	2468	AcroRd32.exe	93
PID 2468 wrote to memory of 4172	2468	AcroRd32.exe	93
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1072	4172	RdrCEF.exe	96
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97
PID 4172 wrote to memory of 1916	4172	RdrCEF.exe	97

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\68725d83c809d148ea53e9df7eaf5643.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4172
- - 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=081CA448D9ECF26ECB3930CE3FA1A370 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1072
- - 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=0A52A97596DB7312681AF7680E5AA565 --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=0A52A97596DB7312681AF7680E5AA565 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1916
- - 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=F38297AF44C0233CAA970A025A562F9F --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5000
- - 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=12BF3F3836855BEBD7BC6E9F2FA55091 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=77DF486FFBCB0959C4EB7AF37291C958 --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=77DF486FFBCB0959C4EB7AF37291C958 --renderer-client-id=6 --mojo-platform-channel-handle=2192 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4772
- - 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=2B942A6D8D08EE96CDD675A5BC95BE68 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4764

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
6d6e4097105ebf3634516e677fd68b53

SHA1
a8ce367e7f63421f3b79fa296faa5669aa31b0bd

SHA256
e94787e2d089baaf9f4aa17eba3482dcc4c65662f8ba6718882ca3fde425f610

SHA512
db999096df88268acefa21b1f88e4cc22f9e379336782db44628b6e35d430646aaf01d618a28fde4e3a507d4174dbbe9e7e71bc29baadbb177ef46ebb3baf4f1

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/2468-26-0x000000000C0A0000-0x000000000C0F0000-memory.dmp

Filesize
320KB

Download