f2add981855a4c91a0982bbf0ecddba2fc6df27fbb67e00aff83e410c6f28d52

Analysis

max time kernel
152s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2024 12:28

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General

Target

996d97ad742a2cad34dff1f0ca4657ce.pdf
Size

86KB
MD5

996d97ad742a2cad34dff1f0ca4657ce
SHA1

4f5649a1020cf413b0ceca4713fef3bb667950f4
SHA256

f2add981855a4c91a0982bbf0ecddba2fc6df27fbb67e00aff83e410c6f28d52
SHA512

26970e8f9373bc7c61031f801856a020b1d7d36898151d2f927736ec5900dea851e2b4aec1dd69dee32a6faa60c9d1bdd21af57c4cc540348bdcc020824c14f2
SSDEEP

1536:aXRVqBFNTfDPCzu6ajYt8mEGSFgn2wNSTwWTpvMbLai02z7v29O+nb/OWEqbvUoB:O2TbP+u6asdeFkBSTwWTVy2x2zL29XbV

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe
1028	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 2080	1028	AcroRd32.exe	84
PID 1028 wrote to memory of 2080	1028	AcroRd32.exe	84
PID 1028 wrote to memory of 2080	1028	AcroRd32.exe	84
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 1456	2080	RdrCEF.exe	85
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86
PID 2080 wrote to memory of 4784	2080	RdrCEF.exe	86

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\996d97ad742a2cad34dff1f0ca4657ce.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:1028
- 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:2080
- - 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=914D55739165DEC8BC473927218B438F --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1456
- - 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=AC611901B0C9DB06605A9F1E1BBB9850 --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=AC611901B0C9DB06605A9F1E1BBB9850 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4784
- - 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=9572B661D6F19131B6C3D5F0CAD1B690 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2692
- - 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=E9F5DD1F7EF4DF5FC43C0AE04673C359 --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=E9F5DD1F7EF4DF5FC43C0AE04673C359 --renderer-client-id=5 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:932
- - 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=07562D1DFA308238B12ED237D78F9C9B --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1832
- - 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=C0DBAA033DC588794E9344E75E51116B --mojo-platform-channel-handle=2244 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3688

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3304

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
c351f06f0c08d495c278b91b2ec45ccb

SHA1
bffff5d509b2009cb97ad329404af565d015cdbd

SHA256
7338ce9931c8ec1ffecea9204a3639c5f576119447d3103d16d9ad31b05952fb

SHA512
2491bb5f10cd9f789c17343028b4b992a204095b393587e817487d35c0f79ad631576c211548d28f39645c2688e92fb25d35f926683077f72eb3fd63123e5032

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