1d43d87fbcbfcfc494431b9ee5b0a73ceaf41247655f10c2b591e82e4a8847e2

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
24/01/2024, 05:09

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General

Target

71875b98bbfcfa45d82c06cf1217d04d.pdf
Size

123KB
MD5

71875b98bbfcfa45d82c06cf1217d04d
SHA1

0dffcdd7d54e1379a87987e05c46659551f42995
SHA256

1d43d87fbcbfcfc494431b9ee5b0a73ceaf41247655f10c2b591e82e4a8847e2
SHA512

91cb9a60d58a12f37a69bb0f2bed56732c7fcc24324be91eea4319ff37cc2d79a6fb995810a3381c5ab609faa35376f34498b9bc94725636d132958729a1854d
SSDEEP

3072:Uqn0+IQ8Lq6nYeX8gKzERZ2G5LH2CH/rNit1KS0ioufrKZu1Ae:mQ5aYqr2EWKRu0pJuhue

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
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4376	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe
4376	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 1096	4376	AcroRd32.exe	90
PID 4376 wrote to memory of 1096	4376	AcroRd32.exe	90
PID 4376 wrote to memory of 1096	4376	AcroRd32.exe	90
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 2248	1096	RdrCEF.exe	93
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 5104	1096	RdrCEF.exe	94

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\71875b98bbfcfa45d82c06cf1217d04d.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:4376
- 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:1096
- - 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=DF136088BF976F11E6AE9C8345F93483 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2248
- - 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=3F54A039FEC64FBE6BDAB2DCB3EF6311 --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=3F54A039FEC64FBE6BDAB2DCB3EF6311 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5104
- - 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=22548CE7C6763416CF380D99619D202F --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3556
- - 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=DBDC411ED7BF2BE4BED02B29B1F1BC11 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- - 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=E1F8DB041943CE0DBB2FB4E2CF29D7F8 --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=E1F8DB041943CE0DBB2FB4E2CF29D7F8 --renderer-client-id=6 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4020
- - 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=20972ADA72DE6E2A8CDFFDC2424D2932 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1484

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
039a5fb85664b56d368bb7409e926253

SHA1
21648d3616780ceabab26c9994d5eee0ed6c06d8

SHA256
c77c4c4395800eaa41f9bf293caaf3119a59bba1d68402bbfa7bc8a7c529f38b

SHA512
8e0790950d7bdd72c89cdf2e377830ac67e4a590bde1c2884e46fa2ae238b4e6e18c6c0c8e5f3b1270fdbef950847ecaa7ccd4e7703d682e2d8545bdcc0c29ca

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