3e6b027eb2ef1a628b04e01a0c6693dec5fa1ba01edafbc701f9d9c9db030c25

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 06:27

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General

Target

a31bb6cf473801212dc4b283d6b5a83b.pdf
Size

93KB
MD5

a31bb6cf473801212dc4b283d6b5a83b
SHA1

fc64fb7c945ebe094e002bbfd43c58074a5ad6ba
SHA256

3e6b027eb2ef1a628b04e01a0c6693dec5fa1ba01edafbc701f9d9c9db030c25
SHA512

5eb790a33aa09ba1f9c5d2558b116eacf357f9bd6bb7beb4afb03172446846523ee48657210408cab955d9a915b3b3785d44160d4ff7ca989d3f9fe602f80201
SSDEEP

1536:DqorDL/kPZq/sej+fKreqei7/kuKHS76WFu0XApVQ9WeAjwLy564WOpOwr3PuGSy:7rHGq/seSfrqv7Gy6WY0IlrA1wr3Ap8

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-1-5-21-2200714112-3788720386-2559682836-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2856	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 1360	2856	AcroRd32.exe	91
PID 2856 wrote to memory of 1360	2856	AcroRd32.exe	91
PID 2856 wrote to memory of 1360	2856	AcroRd32.exe	91
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4532	1360	RdrCEF.exe	92
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	RdrCEF.exe	93
PID 1360 wrote to memory of 4024	1360	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\a31bb6cf473801212dc4b283d6b5a83b.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:2856
- 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:1360
- - 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=7D01FB63FFE66C5939C1BD82DE0BC6CF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4532
- - 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=FB20182001F943056B18711D0B245A20 --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=FB20182001F943056B18711D0B245A20 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4024
- - 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=6984DFC0F839D3E7E7BE770ABABA7C74 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:404
- - 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=DA7BDBDBF2CF1F4E39D79C9BC80D4A15 --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=DA7BDBDBF2CF1F4E39D79C9BC80D4A15 --renderer-client-id=5 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3132
- - 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=D5E54EFA323C33D9CF02DB68CA0F29BD --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060
- - 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=DDBC383ECD6DD5884833B333E2FFDEBE --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5048

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
48f49f8ef413336ca91f713d7bca5e45

SHA1
585e222222042500c2ddc880f3e911367efd2bc0

SHA256
2b10e420af3c27304f849cf137a5e4d806c85229ef9a6bc47e6810080a01c676

SHA512
a1ae98517264424a6d11091e957a5f76d38e98a64d3bbc1f9cba01b2b4309999e86a755a16b8c49464d594f2ff280e54d1f0ed1f758a2850bb917035f28f1985

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