6d37fbeb27339fa494f03d8d7a414005c57246fa04945a4b64c3a3ed0c17b92a

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 05:32

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General

Target

860ed6c4df7855715e7c3b2987ef7827.pdf
Size

44KB
MD5

860ed6c4df7855715e7c3b2987ef7827
SHA1

fd6b4b9c407c364811e8ccec32feb10a9b4c0198
SHA256

6d37fbeb27339fa494f03d8d7a414005c57246fa04945a4b64c3a3ed0c17b92a
SHA512

397a94b9b53b80ebe63ef4d52446f29b6a1ddfb2d2213562ef6a6b044a86ca14a37ca67149f81bc7f63ca1cba46964827bf0c62dde9f1c7a0a56a9c0e35913d5
SSDEEP

768:iWXZkzfPAGuQAz7Xfwc/tn2Ah7Ersd4DTamtE78bvm6HR05uJc22eZhK:bkgnzZ1jh/oTauEwjmwWuJc2thK

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
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1356	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 4668	1356	AcroRd32.exe	90
PID 1356 wrote to memory of 4668	1356	AcroRd32.exe	90
PID 1356 wrote to memory of 4668	1356	AcroRd32.exe	90
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 4456	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93
PID 4668 wrote to memory of 1224	4668	RdrCEF.exe	93

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\860ed6c4df7855715e7c3b2987ef7827.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:1356
- 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:4668
- - 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=701F70C0989DAB2C0752827A261D71C6 --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=701F70C0989DAB2C0752827A261D71C6 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1224
- - 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=AD6B99FE2006EC4BADCDC797E101B72A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4456
- - 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=21C71AF740A78F6970CBAB50F43EC9CA --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4152
- - 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=80E3C5E48264AF69418E964F077C1490 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=1D62E8CE9E43BF9F8791066D05BD4E1C --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1200
- - 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=8D645F7644DB84680F447397506C3735 --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=8D645F7644DB84680F447397506C3735 --renderer-client-id=8 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:380

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
2912764b389a558bfdd653cc38e44bd9

SHA1
02db15debb9294b3294d6fae1acb34b3abbbfb5f

SHA256
db689a7edbf554f0cd564cf4786d5f2a017f619367e016d02372263208bef2eb

SHA512
bd5bc37c3ed82ae099362a63108b0c271a133a2b2d08d001a4f2a9976dd03cd8b67d24bc1923f7a7d11a6518dda8eef6f1fdf9f18e1f87d1c5d7890ac7baed80

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