b2f133a07a63e9f5fd1ac34775c286f2c87caf8cd839932f58fc61da27d8dda8

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 15:50

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General

Target

c644d600b210d25a2b798d206149bcce.pdf
Size

94KB
MD5

c644d600b210d25a2b798d206149bcce
SHA1

64bffbac315138e61312960f2440ab6bdad2e8ed
SHA256

b2f133a07a63e9f5fd1ac34775c286f2c87caf8cd839932f58fc61da27d8dda8
SHA512

43e1d2b95080f95902f6a6bf674b07e3b1742e79419a538946c1c23fb00de121c012dbcb2cb89efab402f8ec2de4b13b79dd32e85ae7e4bbc6ca97714229dd59
SSDEEP

1536:ECCWLeAwcF+RtjlSNMTWx2EjWUGcgdoQT7vqcj2DUyShWOpOwrKWJ0T/ciZAt9ST:beRRtBSeTWMEjWvp3T7yjDU+wrdiZiVw

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
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 1264	2700	AcroRd32.exe	84
PID 2700 wrote to memory of 1264	2700	AcroRd32.exe	84
PID 2700 wrote to memory of 1264	2700	AcroRd32.exe	84
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 2764	1264	RdrCEF.exe	85
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86
PID 1264 wrote to memory of 1564	1264	RdrCEF.exe	86

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\c644d600b210d25a2b798d206149bcce.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:2700
- 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:1264
- - 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=CE326B546CDC87720075C192E3A60BEE --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2764
- - 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=63623ECA47B016B3C80D537C546F202B --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=63623ECA47B016B3C80D537C546F202B --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1564
- - 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=BD248B87156399B85402743968404005 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2312
- - 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=85294448E0C0B9577FD7D519EC80B1AD --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=2D174CE817EEACE4A330EBB6BEDA5300 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3264
- - 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=9CE676480A14244443627967FDDFBD37 --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=9CE676480A14244443627967FDDFBD37 --renderer-client-id=7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1604

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4476

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
6d10d7a520aa89d88b3113b9da844570

SHA1
b4812606c85f01a4c4731a5fdee32e848e159db9

SHA256
2d172b010b1f17a3393ee7d5b3af2faf6a6c238d93e9273a5d2ccc06c0ddb4cd

SHA512
24fd47cfe695eb994a449733d7e57f6c358e8e09aabbaca329c2ba7498803610131f34ddeab15941fe9a3dde92186fa367b78d86b413d1ef8ade159cd7b74660

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/2700-25-0x000000000B410000-0x000000000B460000-memory.dmp

Filesize
320KB

Download
memory/2700-125-0x000000000B410000-0x000000000B460000-memory.dmp

Filesize
320KB

Download
memory/2700-130-0x000000000B410000-0x000000000B460000-memory.dmp

Filesize
320KB

Download
memory/2700-135-0x000000000B410000-0x000000000B460000-memory.dmp

Filesize
320KB

Download
memory/2700-141-0x000000000B410000-0x000000000B460000-memory.dmp

Filesize
320KB

Download
memory/2700-147-0x000000000B410000-0x000000000B460000-memory.dmp

Filesize
320KB

Download
memory/2700-189-0x000000000B410000-0x000000000B460000-memory.dmp

Filesize
320KB

Download
memory/2700-195-0x000000000B410000-0x000000000B460000-memory.dmp

Filesize
320KB

Download