a794ac78882a744b97acebed7a6a76ac8b3cfdef9d38bd891aa262081e303d52

Analysis

max time kernel
144s
max time network
160s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
01/02/2024, 15:22

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General

Target

doc/colormanage/figures/destination_profile.pdf
Size

81KB
MD5

c5f2dfe4fd79f95acc36500335a60cd9
SHA1

43631590aa5acc5a8e108cebfe7248ced7c167a1
SHA256

f1db7043ad56e95588dc74b8a272d60b40ee2bbf1eac19f34c69e1289a1cf672
SHA512

a9bd265facca8d4f1d4a780594e227fc63b59085db43466735f48870625b6a9256664ddca6e62388ac418ebf5293a0354dd767b6758ebba3f4a9b9efee442f9f
SSDEEP

1536:9QKG3ZAafvEnc+8kFbXx/awkt2NCaSQFK/t4dZhuv8N:9a3ZAf38cbJj+9udYE

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3213149797-706813642-929964373-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
248	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe
248	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 248 wrote to memory of 2436	248	AcroRd32.exe	80
PID 248 wrote to memory of 2436	248	AcroRd32.exe	80
PID 248 wrote to memory of 2436	248	AcroRd32.exe	80
PID 248 wrote to memory of 224	248	AcroRd32.exe	81
PID 248 wrote to memory of 224	248	AcroRd32.exe	81
PID 248 wrote to memory of 224	248	AcroRd32.exe	81
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4136	2436	RdrCEF.exe	82
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83
PID 2436 wrote to memory of 4916	2436	RdrCEF.exe	83

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\doc\colormanage\figures\destination_profile.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:248
- 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:2436
- - 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=C4442DACAD837D733554AD42943AA36B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136
- - 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=6B771F4FA7C7B9CF481058EDBD250C0E --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=6B771F4FA7C7B9CF481058EDBD250C0E --renderer-client-id=2 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4916
- - 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=B52408CD0DD7A2AF8CD74C0B7B36F187 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3776
- - 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=A82773C2F1EF26505B1DF8938A96C7A5 --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=A82773C2F1EF26505B1DF8938A96C7A5 --renderer-client-id=5 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1808
- - 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=9725FF4080E5741EF9AC46C619B520F2 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200
- - 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=F5BC10E4E154927C2C3D7422C9AE07FC --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2108
- 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⤵
  PID:224

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3476

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
d623f28d515f35fecbac424f6d188444

SHA1
e83c9ea149837c31b67145966f6af2cfe52ae514

SHA256
a88c4c7ab826e548e22c124cee12ae0e9cb987fd8a38b96a54332487647d3522

SHA512
09218ba8b98b90d5055d064f6fed00cbdfa1d39e78a0756ea6cd85fe2e7c58c156ea1faf745822e5cdee21e791adf09f899f541b61934a05db01ce9688ebedef

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