d9ac4db0e38832d25f9836d12270e377410d94abcd5b170b76968acb31bd9d64

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2024 00:37

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General

Target

47931b3d2be5bc2e19573d4f427a87e8.pdf
Size

82KB
MD5

47931b3d2be5bc2e19573d4f427a87e8
SHA1

30895ae52ef6d4110551792da2f90db39d25823c
SHA256

d9ac4db0e38832d25f9836d12270e377410d94abcd5b170b76968acb31bd9d64
SHA512

91429eb3cd73524cbf9e65393b44949c304423761b8fbcd1c885ba797b9c766129b7c5f94e6aa51af003516588b71794b071e25c74e8292ce84f82830ffb6af1
SSDEEP

1536:hletB2crrtdx5USblNr6qU6R+CN33ihUdYn2VOWspOTRWpzV0wmrprJ1C/vQNJ:+tMcx5U8WqV3LdaYTmSwUa/vE

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
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 4856	1872	AcroRd32.exe	91
PID 1872 wrote to memory of 4856	1872	AcroRd32.exe	91
PID 1872 wrote to memory of 4856	1872	AcroRd32.exe	91
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 3756	4856	RdrCEF.exe	92
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4904	4856	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\47931b3d2be5bc2e19573d4f427a87e8.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:1872
- 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:4856
- - 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=D6DBEF99BD532287450680DC44EFEF6E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3756
- - 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=1B2B49444AF21AD6A2A3F54F549F49D8 --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=1B2B49444AF21AD6A2A3F54F549F49D8 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4904
- - 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=EC6D90007562FD46A0469627747B1454 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:636
- - 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=0C79E6527882A04E041CFD6E1B97D63B --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4188
- - 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=9B2F921715E1881CF4A0ABD6BBF01EF8 --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=9B2F921715E1881CF4A0ABD6BBF01EF8 --renderer-client-id=6 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2516
- - 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=A8B3A4BBC7B7CC2298706ABC016FC765 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1988

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
d19767f007c26067431cb44f3e860c91

SHA1
7012f2156f79dccd3c811d2e9272939982d0b7b0

SHA256
56158a1b31d5fa8f5752c3909e1d900932c864b3c5e5cbcc057696646a981dfd

SHA512
4c61b7abe773d4e74479d2cc94cdcea90316eafac54d51546b50e8cf6cc8985f60b35f74013763b86c15c0394ee767a8a0e483f57f267e7eca890b92f845098d

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
memory/1872-28-0x000000000B4E0000-0x000000000B501000-memory.dmp

Filesize
132KB

Download
memory/1872-128-0x000000000B4E0000-0x000000000B501000-memory.dmp

Filesize
132KB

Download
memory/1872-135-0x000000000B4E0000-0x000000000B501000-memory.dmp

Filesize
132KB

Download
memory/1872-142-0x000000000B4E0000-0x000000000B501000-memory.dmp

Filesize
132KB

Download
memory/1872-150-0x000000000B4E0000-0x000000000B501000-memory.dmp

Filesize
132KB

Download
memory/1872-158-0x000000000B4E0000-0x000000000B501000-memory.dmp

Filesize
132KB

Download
memory/1872-214-0x000000000B4E0000-0x000000000B501000-memory.dmp

Filesize
132KB

Download
memory/1872-222-0x000000000B4E0000-0x000000000B501000-memory.dmp

Filesize
132KB

Download