ff60696ed4902ae2968ae000f0e218755449d15420634c78fc77813008a24ef2

Analysis

max time kernel
142s
max time network
149s
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 13:14

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General

Target

378768025f7aa05f8adb0c3c42f1d35c.pdf
Size

91KB
MD5

378768025f7aa05f8adb0c3c42f1d35c
SHA1

c1417d1bd7abc8755198e9934350266de80c1d0d
SHA256

ff60696ed4902ae2968ae000f0e218755449d15420634c78fc77813008a24ef2
SHA512

49436d885e303cfe99a81f4d5210ab6660b6b842db5f3ad4d71d16d20371c2990d7ddf1c1fa3d536122c914b551156d9f132dc8b16d2fc944c2be024393b4194
SSDEEP

1536:luZjY439xS7tiCOQUr/kS8FtbtoNYrqXhKrOG7EEor2qW1b6CzHYW4u7sOXWUpOg:Yu0mtMn8dYX/Jr2tz4Ju7sOK7c

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 22 IoCs

pid	Process
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4236	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 1492	4236	AcroRd32.exe	95
PID 4236 wrote to memory of 1492	4236	AcroRd32.exe	95
PID 4236 wrote to memory of 1492	4236	AcroRd32.exe	95
PID 4236 wrote to memory of 1236	4236	AcroRd32.exe	100
PID 4236 wrote to memory of 1236	4236	AcroRd32.exe	100
PID 4236 wrote to memory of 1236	4236	AcroRd32.exe	100
PID 4236 wrote to memory of 2768	4236	AcroRd32.exe	102
PID 4236 wrote to memory of 2768	4236	AcroRd32.exe	102
PID 4236 wrote to memory of 2768	4236	AcroRd32.exe	102
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 552	2768	RdrCEF.exe	103
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104
PID 2768 wrote to memory of 1472	2768	RdrCEF.exe	104

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\378768025f7aa05f8adb0c3c42f1d35c.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:4236
- 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:1492
- 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:1236
- 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:2768
- - 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=0BD9DB461B92D251CD00A0BC5A95873F --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=4A4595EFED593A63ACB38DF1380325E1 --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=4A4595EFED593A63ACB38DF1380325E1 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1472
- - 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=D63282323C97CB842153E70F4D65170E --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084
- - 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=2FAA32E662E509B84E8E172F480C5619 --mojo-platform-channel-handle=1840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=74105E83C6E5D23F951334FD566BBA2F --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3268
- - 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=E7ABE390BFFDF38805D4E5FAEBBE9EB9 --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=E7ABE390BFFDF38805D4E5FAEBBE9EB9 --renderer-client-id=8 --mojo-platform-channel-handle=1840 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1492

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2716

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
49ad438273e2b74ace0bae291b56963a

SHA1
d1558d5e4e57186c21c74ec182ba00f8c63fe228

SHA256
98201ca65b2c24c8e67c265f3dece2f7c291b81cdb06667ef126015c1c6bad06

SHA512
8bea5141dc2e331b3ebe4effbcd2544315fe914f8b3c9f281b15123ed8bdbad5bb80c2160e2184048b19c7e65f073d3fe6b6feb855f352da237ede82e7581bbf

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