122227cd339b8c3ac3d56d89d95dc24a62d46a1bfc87e26a2bec0de461693354

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 17:46

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General

Target

3203fdec4e6b9e9bd7012c318070146d.pdf
Size

63KB
MD5

3203fdec4e6b9e9bd7012c318070146d
SHA1

d4ed86a5c18a0b94cbc8095de44698f0b9e7e817
SHA256

122227cd339b8c3ac3d56d89d95dc24a62d46a1bfc87e26a2bec0de461693354
SHA512

06aab40dd71f7fa2fbcdc9f6ab3af9c0bca4a2e28c3e621c63dbdd7944c7f3b340cb934fb216c4fc09286ce316615f6e559f3f9aebc410c8cd0069bb791acade
SSDEEP

1536:ihRfbbX+/UgbuJBYVdlrhdRnDZZbT8KihKIeD+aFm0kd0+11me:2lb5IuJBYV/RDZFT8XreDNmLd0id

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 4564	4876	AcroRd32.exe	92
PID 4876 wrote to memory of 4564	4876	AcroRd32.exe	92
PID 4876 wrote to memory of 4564	4876	AcroRd32.exe	92
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 4844	4564	RdrCEF.exe	94
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	RdrCEF.exe	93
PID 4564 wrote to memory of 1868	4564	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\3203fdec4e6b9e9bd7012c318070146d.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:4876
- 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:4564
- - 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=6969C3963C8B9AA588233F0008513F85 --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=6969C3963C8B9AA588233F0008513F85 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1868
- - 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=8F84335AFFBADDF417AE11E8D5008604 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4844
- - 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=383195A73F05343BCC38B2EBC337833B --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3044
- - 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=9DF0A2FC4655081D3B2B35102DFEA97F --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744
- - 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=EA6851EAA0CADE71747099833F26BBAB --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=EA6851EAA0CADE71747099833F26BBAB --renderer-client-id=6 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2300
- - 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=330DF83C8139E7B0C85F120A156DD570 --mojo-platform-channel-handle=2796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972

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
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
462c94b93c720c4df0b5b9f09be3778b

SHA1
947c79d98a018fcfba4bfcc1fdd38cb203a45d0f

SHA256
a4292629e9c4301ca8aeba9536a589a5a43aaf9c888406d9cc446fcd1f9b734d

SHA512
a7104071c2e9c700c321db1de8d561c27ae4c2d4493c8fdd272f36acb51bdd65d07c895ff9863b4564652c416bb6272acf2a1988c4d1737bda83d25b30b615f7

Download Submit
memory/4876-26-0x000000000AFE0000-0x000000000B030000-memory.dmp

Filesize
320KB

Download