8977b3539f9494f98a645ce26f4dde62937a350a9d3512d4c68a4a4bab4ca90a

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2024 18:20

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General

Target

441d6ee15a3a34659e56dc7d06aa66d4.pdf
Size

80KB
MD5

441d6ee15a3a34659e56dc7d06aa66d4
SHA1

b573c069f7e0dbc08027e8468663eccef7d88cf5
SHA256

8977b3539f9494f98a645ce26f4dde62937a350a9d3512d4c68a4a4bab4ca90a
SHA512

2cfbbfa6c82cf69f82639fc6841866f304ce4054e94d0310ebd7685adb9bd96005b5c5b6d8089f1716a3f5c1f6ab287b1ffcd42d1674c31cca73a8cb7c360e42
SSDEEP

1536:T3r6Aov2P/uoPqWsOr2fcE2/bmQoT6elIy5XAxD44/Dj7WIBHclComp4sT2oXWOE:36AoOuoijpnaFoT6M9kD44/DnHVrUwrC

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2308	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 4940	2308	AcroRd32.exe	90
PID 2308 wrote to memory of 4940	2308	AcroRd32.exe	90
PID 2308 wrote to memory of 4940	2308	AcroRd32.exe	90
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 1952	4940	RdrCEF.exe	91
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92
PID 4940 wrote to memory of 5040	4940	RdrCEF.exe	92

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\441d6ee15a3a34659e56dc7d06aa66d4.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:2308
- 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:4940
- - 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=FC33FF0B19D88AB79AF712AACAFCFCD5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1952
- - 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=FAC60A1612DF97555393812BCB243013 --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=FAC60A1612DF97555393812BCB243013 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5040
- - 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=31B981F66368391E060595B97492CC0C --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920
- - 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=31FB001C0D4BFDEFADDC9A87D96C59AF --mojo-platform-channel-handle=1912 --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=BC5F9E1C775E29FD388D47F050D8074A --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4724
- - 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=97C8A77A0B9208ED54E5941F8524A41C --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=97C8A77A0B9208ED54E5941F8524A41C --renderer-client-id=8 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2012

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1468

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
86c4e770eb5899be2c356aa97132b671

SHA1
efe4bf68e016ed5e80b31054b2dee9c6bd813a68

SHA256
67498596bf659cb0539554f44cd885f32ba373abb03ce9e17ef9aa013157ec6b

SHA512
861912b9a9c75593f2dafa71215feac55012a40c99929e617f40318864174a8a2008ce04a1f6216aea4595d48554011901878a03b333e134ffa212fa1d266faa

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
memory/2308-26-0x000000000B1C0000-0x000000000B210000-memory.dmp

Filesize
320KB

Download