270ff430c89a6196a14973caee5621cb020024d4641459a0ef5715143758c1ed

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2024 06:39

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General

Target

98bc522c94b9053f8498755872a9b711.pdf
Size

51KB
MD5

98bc522c94b9053f8498755872a9b711
SHA1

6b446a0956e52983345540def4593d999eb2ae99
SHA256

270ff430c89a6196a14973caee5621cb020024d4641459a0ef5715143758c1ed
SHA512

d945a9ecf9d8eeb8f15a5bed679418add90a0aa37607a54e6b0d4829ca1d736136cf5d7d890cb4eb58c541d8fe894318f4b8aded83989ea1b650ad921592186b
SSDEEP

768:CrD2/BV3h32Tzpi5t8BCxjim/vI3b4r3Knq5WaNnbtZuoWAseQf5DIajSzWYHk:x//3hn8XUIL4mqrbYAseC5DIajSrk

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
856	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe
856	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 4172	856	AcroRd32.exe	85
PID 856 wrote to memory of 4172	856	AcroRd32.exe	85
PID 856 wrote to memory of 4172	856	AcroRd32.exe	85
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 2124	4172	RdrCEF.exe	86
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87
PID 4172 wrote to memory of 232	4172	RdrCEF.exe	87

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\98bc522c94b9053f8498755872a9b711.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:856
- 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=8C940CDAACEBB17C4FC1D1136591BFB9 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124
- - 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=2AA105A551E3FDAA6BA0AE3CCB17D5EF --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=2AA105A551E3FDAA6BA0AE3CCB17D5EF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:232
- - 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=91AFF56BB478DF1D292AC02951B64BBA --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1088
- - 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=E736310D7F9A50625BF7F943129319FF --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4624
- - 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=A63A086B20F40B761C98418B2F98DDF4 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1120
- - 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=E02E2233CAB1B0C07759A13155EC441C --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=E02E2233CAB1B0C07759A13155EC441C --renderer-client-id=7 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2236

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
fc0b0fce1d40ceb44a953bef1f3b5d89

SHA1
5ea90fa84484b5c49326f669adebb0d0b503eda8

SHA256
070c15e612bcf1f48b6989ef95ff6bd692caa9a55f1864f9afaaedfb6d7a82a8

SHA512
dff67bcb4fd79b69aa32df6713e9e23fca8bee9680c0005729b69eacc1135910fec9cd81da1d384724b978b7360bd8010c29946237d1d0c27d085d5dbbde31f0

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