dfca7226a0079e9f24ff2db6f877de42aa74aa6766538e5a0f992d2717af9215

Analysis

max time kernel
170s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 16:13

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General

Target

3d4e19487013de37649b19c896300312.pdf
Size

86KB
MD5

3d4e19487013de37649b19c896300312
SHA1

1cd458e050acd8c6ff3138620ed7793be1a9bc2a
SHA256

dfca7226a0079e9f24ff2db6f877de42aa74aa6766538e5a0f992d2717af9215
SHA512

588f5dbb5329a3bb5f97b95be19544d0bb8b900f200d7b406cb3f99da5a69da73f9d1f14b1162fae7bcbb95e5db0be22353db3fe52862e133b19628a70484e9d
SSDEEP

1536:eSKbuDwiykXDeiNWT3flCyme42qi1PElI8UUgoGrv0dnheW6pOu26WNj22OBBRNG:LOucqeiNGcyT42qeca8U3owUbu2H2rch

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
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1356	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 3688	1356	AcroRd32.exe	95
PID 1356 wrote to memory of 3688	1356	AcroRd32.exe	95
PID 1356 wrote to memory of 3688	1356	AcroRd32.exe	95
PID 1356 wrote to memory of 2644	1356	AcroRd32.exe	98
PID 1356 wrote to memory of 2644	1356	AcroRd32.exe	98
PID 1356 wrote to memory of 2644	1356	AcroRd32.exe	98
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 2280	3688	RdrCEF.exe	99
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100
PID 3688 wrote to memory of 4448	3688	RdrCEF.exe	100

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\3d4e19487013de37649b19c896300312.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:1356
- 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:3688
- - 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=737523B2B8830E014B6DB29B00A4004B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2280
- - 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=476F93CDB9F92671E00EBDC45F62035D --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=476F93CDB9F92671E00EBDC45F62035D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4448
- - 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=23C7CC9529F88BE3B192F6D1C2C8222E --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=23C7CC9529F88BE3B192F6D1C2C8222E --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1636
- - 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=3CF81E9CD9D5948DB4DFEB324AB8739E --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3188
- - 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=F4D1A0CCFBDAE2FDF4FE8806EA59DA6F --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776
- - 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=3A9D29F7F838B334E2EA7D8DAE14197F --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3780
- 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⤵
  PID:2644

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
add0bcdfb4d46f1e8011b4c1a2d74af7

SHA1
3af053b84180284d1d9585eea3142c74bc9285ac

SHA256
da445dc21a30ae282bbea8cb91e00f34c3b198372ce348855f7583bc2e68fd48

SHA512
ff888a64c89237b67c2ee1e9ba8101db66668149223212791bf1cd699e7c2a7cda67f15862bedf38844a51eaa12028bf7916897a28a490f905f6011cf0cec06f

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
c21916ea389a0eea1eea118df9db9004

SHA1
53e6fd2439a6b7bd6e07b1406240e90147af8205

SHA256
abe51cb404639e5e038257902c54575a2d4365bb1d558afa5fdd5c7dd22885a3

SHA512
74475a3eac4e8b207f2e1d4677e4cbcb8a4fe40e30258f7162435720c79c3f5faa80c44bbfeb97fa1ff55e9f3e18022b3bcaced05bc457c3046b9f22a588ccd3

Download Submit