67e50151e3c06ab6f56eaebd4032e24f6598afad4b8f8ed632a2e2e5165964bc

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
08/01/2024, 04:46

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General

Target

4a7975081757eb12712f1319b8dfa1b6.pdf
Size

73KB
MD5

4a7975081757eb12712f1319b8dfa1b6
SHA1

ee83f3e82b63d97333ceee667ba78267843c5d82
SHA256

67e50151e3c06ab6f56eaebd4032e24f6598afad4b8f8ed632a2e2e5165964bc
SHA512

2a3ccb34916a9d651f8ec1d44068298dcada96caf4169d5aba49feddc180bfe3672dd9261e82dd10d8763685ebe97a0a9f55678415957db9448f3043bb1f82e3
SSDEEP

1536:ugIRNQKLoU0D0+ThJoNhHcnWB4ZH/qH3fuofgp6ZTuQP:gRNQEz0D0yM0c4Fg1fgQZTv

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2200	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 3228	2200	AcroRd32.exe	93
PID 2200 wrote to memory of 3228	2200	AcroRd32.exe	93
PID 2200 wrote to memory of 3228	2200	AcroRd32.exe	93
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 2164	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95
PID 3228 wrote to memory of 3152	3228	RdrCEF.exe	95

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\4a7975081757eb12712f1319b8dfa1b6.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:2200
- 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:3228
- - 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=4D86C88A158DA241194F2F127E3690D9 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2164
- - 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=97B7D5A22C6B8440B32346D263D806B0 --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=97B7D5A22C6B8440B32346D263D806B0 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3152
- - 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=8484274ABB791899378EACF56DF26EDD --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4412
- - 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=DD26E50B0716A7A056FEED1AE7E8180B --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=DD26E50B0716A7A056FEED1AE7E8180B --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1972
- - 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=7F8B3D480C1096494B0276251BA54A27 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3368
- - 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=F3A09B25B72506F51419B21B509FAC85 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4000

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1400

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
4dd1fb67367d8de16f747d8a9c501d78

SHA1
840455837f46fe3b460dc4ca5b90a8606d27df45

SHA256
633de4c18f237146d3b66f2f2bdd858af3f23277a498ad166ef6ee485990d282

SHA512
80ed2e2c3112e9d6a8dd563d89ad1220cfade6baa83b23e295f13b89f10f04b072a6b53a4af52339fc39ee19ea56bb2aaad558afd17a70517ecdaaeea6a81702

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