72f0334018ffdf5ae3d444b8ece7a051d5535d0e366b4732df8af42b630be6b7

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 03:53

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General

Target

73aaefdd964269a7eca5eb234e9f85f8.pdf
Size

80KB
MD5

73aaefdd964269a7eca5eb234e9f85f8
SHA1

36d7abea661158ede7e95df419e77dfc2204cf92
SHA256

72f0334018ffdf5ae3d444b8ece7a051d5535d0e366b4732df8af42b630be6b7
SHA512

eb1c1464f74398c5346f11e88edaa85d9cbd58e339ef8cb147926dace7cb2723c14cc3148e70022de4a7fffdb238023b4869101a2b0ba38cf26baa1905f50923
SSDEEP

1536:9iM1iRwRmpqtKCAJ1mz0z3bMqxN8f0nHAbVWGpOKCWXC7gg0ysv+HjtAw:l1iR1pmjAJ1mwjb5P8fikKKZZg0yscj5

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 1060	2792	AcroRd32.exe	89
PID 2792 wrote to memory of 1060	2792	AcroRd32.exe	89
PID 2792 wrote to memory of 1060	2792	AcroRd32.exe	89
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 3200	1060	RdrCEF.exe	91
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	RdrCEF.exe	92
PID 1060 wrote to memory of 5008	1060	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\73aaefdd964269a7eca5eb234e9f85f8.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:2792
- 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:1060
- - 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=C18B5FC4B43F20891D285BE69AF4DE3C --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=C18B5FC4B43F20891D285BE69AF4DE3C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3200
- - 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=C099F9A0C8A5A160DAB3BE4AB743FABD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008
- - 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=2A729676FF5288C8E939AD654CD040DD --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2876
- - 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=4CBEEA8C22EB5759081334A6F037A986 --mojo-platform-channel-handle=2032 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1632
- - 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=03C2F419B64BB8B467DD48B0547724D8 --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=03C2F419B64BB8B467DD48B0547724D8 --renderer-client-id=6 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4132
- - 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=F798787146F0561365B8A741F8CB60F3 --mojo-platform-channel-handle=2972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3288

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:400

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
b24c8f4df92982a01aab3f49971f1c90

SHA1
aaa77866662f73f6edca94691eae10803bd5b3ce

SHA256
7a19a07fab4c2620de12d5ef15c36cc6b11733cafd845b031c5a4b97a445c27f

SHA512
9ef138757cd2ac45e6db8676f23b59b22624ed30234198747f8118125eb9009e4752c89ed2f3947453daa0f5b2ca522e19e044c08b6c8385733c1e11da32c438

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