4f75ceac536d2260d820f2148a8615a36db8edab9d283be80cab853ea8ea8d36

Analysis

max time kernel
185s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 20:48

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General

Target

0398932ed685775bc26ac8f8891eb76a.pdf
Size

93KB
MD5

0398932ed685775bc26ac8f8891eb76a
SHA1

531c5e957fb71c4e988ce48efb6eb05dd1317b0c
SHA256

4f75ceac536d2260d820f2148a8615a36db8edab9d283be80cab853ea8ea8d36
SHA512

ca4be65f41720bb763ce4d60ee00fe2a7da228cc449143997fe0bb5599f34f4615a7f8adde6566f294e51c266f1dfafde99fb29512f52051c8725cc7798613ab
SSDEEP

1536:Q3ZszyTUAeci3ydrwyfEjIerwjUOc1ENGp6VEiPMx4rJJ2WWWOpOaZEW7DfZP1u6:08C/4WPcjIUwjO1EKaEj6SWLaZPLZP1x

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 4288	368	AcroRd32.exe	93
PID 368 wrote to memory of 4288	368	AcroRd32.exe	93
PID 368 wrote to memory of 4288	368	AcroRd32.exe	93
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 4900	4288	RdrCEF.exe	94
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95
PID 4288 wrote to memory of 412	4288	RdrCEF.exe	95

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\0398932ed685775bc26ac8f8891eb76a.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:368
- 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:4288
- - 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=76BE6AB9617DAA1F9D32F6901163EC82 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4900
- - 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=DB1D4F35EB2B044FCE5859972106D844 --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=DB1D4F35EB2B044FCE5859972106D844 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:412
- - 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=8D35CED68CA0AFE51D9AEFFB66E50176 --mojo-platform-channel-handle=2192 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1932
- - 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=4033132C3A8ACCAA1095323FF4FF7762 --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=4033132C3A8ACCAA1095323FF4FF7762 --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1760
- - 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=4FF3A23EEFC9135C338CD801DC9EB52F --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3360
- - 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=359B671B20B76A512FEC25E1B2CC4988 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1212

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
aca0858325cb672c19db6de5814eab54

SHA1
463797f84c438a902bf2aaffd95df0ad2d55317f

SHA256
ecc08b44a9d532f7acc2c5e6a640560b34aff3cb862b0388a2f631ddb4494008

SHA512
ada2576c2dcde2cb2f2d89c943143e3aeece1d4f08d7907516ec995233faf75d47c85f8687b5aa09ae7e2713bc3b4e42c06999503d8e51118069b8bc7ce41ade

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/368-28-0x000000000BAB0000-0x000000000BAD1000-memory.dmp

Filesize
132KB

Download