4038e78643431702d641a2d4e8edb78b13e20f50dc7d6a3e1bb9ae3d650ef997

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 17:27

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General

Target

68367ff499c6592212efd9536f9816a6.pdf
Size

77KB
MD5

68367ff499c6592212efd9536f9816a6
SHA1

b4f17051bc9ff02b975cbd0f88d1046c250247ad
SHA256

4038e78643431702d641a2d4e8edb78b13e20f50dc7d6a3e1bb9ae3d650ef997
SHA512

21fb96d9355e990f8b08b1099e791505299ee278d3986b6e1e2187d2813d492563b62f1d618018f30d65d84b5ea2868a283470bca87f34359239fb56d9525149
SSDEEP

1536:yjPoqhp/DPEq+LjkqwOBAVDyjfAM675N01/ULuWrIHKk1uDCW8pO70Ex:SP3IGqWDyjfg7ryW1fZDp73

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 4560	452	AcroRd32.exe	94
PID 452 wrote to memory of 4560	452	AcroRd32.exe	94
PID 452 wrote to memory of 4560	452	AcroRd32.exe	94
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 964	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 1456	4560	RdrCEF.exe	99

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\68367ff499c6592212efd9536f9816a6.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:452
- 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:4560
- - 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=ABDE0724559F8195DDC30F3E6B2C08B5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:964
- - 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=78D1499E0E87DB44C13985DF72BF8B67 --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=78D1499E0E87DB44C13985DF72BF8B67 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    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=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=7250478EDC0A3E3B9A2CC144D3274B5F --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2500
- - 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=DB5F332C560531294D5384BF07319C52 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1192
- - 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=80E0CC25A2C34D3D7E72B246B1EE914F --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=80E0CC25A2C34D3D7E72B246B1EE914F --renderer-client-id=6 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3488
- - 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=E7133E80A37D444047F4AC4720B3FB44 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060

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
4048fca197b27606b6ad1724b34d724d

SHA1
c04839f925bbd5a8ffe97df7c7665865f4934fbf

SHA256
b4c17c35be44b28bcd91ecb20b8e63fb2a640035e088fee505ed4b2324bad8c8

SHA512
11c94ac48fdfdc23608be8e61558a22b1aecb7e09055592c1cb7f7e671b722ce5644435920bea4f37e987cdece8f5853cebe050338a88e5ccbd4ab87e66b38cd

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
memory/452-25-0x000000000B2E0000-0x000000000B330000-memory.dmp

Filesize
320KB

Download