23fa290f6bc5b3752e798962bea6f8637915f1e9129f409295b4c8cc1da2250e

Analysis

max time kernel
149s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 14:28

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General

Target

39d5621abc5bf70327eecb0c59be3fd4.pdf
Size

93KB
MD5

39d5621abc5bf70327eecb0c59be3fd4
SHA1

4211073ec9e6b0e790049273c7d0b953ce673f77
SHA256

23fa290f6bc5b3752e798962bea6f8637915f1e9129f409295b4c8cc1da2250e
SHA512

99bc750eb37c0ab3b5cca08adb6df50d30f44bfa3f6aa2406156d071f57da634ce901511b342071dd3eb6842900aee7f14616e84cffa66374d9196019a60b54f
SSDEEP

1536:vvp+715Vpt6sRPdWcyk0kDTtisEjORTUWFfu1bjbCeNQW8mpNx32WspORFrf:Xu1rpt6QPkzkjjEjOIbvCG8in3pRV

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe
1456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 948	1456	AcroRd32.exe	98
PID 1456 wrote to memory of 948	1456	AcroRd32.exe	98
PID 1456 wrote to memory of 948	1456	AcroRd32.exe	98
PID 1456 wrote to memory of 1472	1456	AcroRd32.exe	100
PID 1456 wrote to memory of 1472	1456	AcroRd32.exe	100
PID 1456 wrote to memory of 1472	1456	AcroRd32.exe	100
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 4452	948	RdrCEF.exe	102
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103
PID 948 wrote to memory of 2348	948	RdrCEF.exe	103

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\39d5621abc5bf70327eecb0c59be3fd4.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:948
- - 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=F14B01D27D8DB23CBA29CE9AC6B9400B --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=F14B01D27D8DB23CBA29CE9AC6B9400B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4452
- - 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=58E84C42CF257DE70533072DF5E10F95 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2348
- - 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=F43A74C80C15095F4396785ABF41D66A --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=F43A74C80C15095F4396785ABF41D66A --renderer-client-id=5 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4904
- - 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=29F5E1ACE6A62C2BDA547AA9491B375B --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=9D309C0FA39D1190242F6A9E291EE18F --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2896
- - 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=D9E02A088A3F897F4C85B1E12CB1EC7B --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3224
- 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:1472

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3532

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
052f9eec0963b3b9bd4cc78b642ba3b2

SHA1
5c23eb61caceb494ae709ba4b30d895002b01175

SHA256
054565bda7a12942892d75a688996a856a868b182542c4a09921abbd3788c463

SHA512
5306622d4a4f73a9bec8686d785c1de6a481003044617164d8ca64c61f48ef37c402477372fdd10307d43d04177d1003c8d417252dbf6f5e272fb6c9567506e1

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\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit