21bcdd40a90e85a0cc7e39a707cc91605eefa3c38fb9de3203523aef5d558b7f

Analysis

max time kernel
144s
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
27-01-2024 13:44

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General

Target

7a68349d5ceb5b73ffc68705ecd576e5.pdf
Size

14KB
MD5

7a68349d5ceb5b73ffc68705ecd576e5
SHA1

4ce8afcf56e83bfea1cb4e1d4037179df49d7aba
SHA256

21bcdd40a90e85a0cc7e39a707cc91605eefa3c38fb9de3203523aef5d558b7f
SHA512

c5827dc7783d0dd870c4ab375e0ca85e04ef49aa51e825717301657badc7d96c17cbedcfb4e765e3085e99f1da94da339c7df3b181922ed6cace1e0c011e4ff6
SSDEEP

384:lhzaNwAO9GiEqGDEKViTRqCQi/60G72Pd8:jhZGiEqGDEKYMCQC6d2Pa

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 4476	1416	AcroRd32.exe	94
PID 1416 wrote to memory of 4476	1416	AcroRd32.exe	94
PID 1416 wrote to memory of 4476	1416	AcroRd32.exe	94
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 548	4476	RdrCEF.exe	95
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96
PID 4476 wrote to memory of 624	4476	RdrCEF.exe	96

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\7a68349d5ceb5b73ffc68705ecd576e5.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:1416
- 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:4476
- - 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=87580A100678ADA7A6A9E0F7168BC28B --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:548
- - 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=FE0DA0D9964829063D3CADDD50944B85 --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=FE0DA0D9964829063D3CADDD50944B85 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:624
- - 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=1732FE175009D527A34E5CACE4EB2084 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3364
- - 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=27024D64B4E0D7C936B14B2C8FEE405A --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3120
- - 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=77ACEA381DDCF9B4C155CA81D69ECC7B --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=77ACEA381DDCF9B4C155CA81D69ECC7B --renderer-client-id=6 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1544
- - 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=96FA5331530644B0715EC44B453E833A --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1504

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
0f627ba456f2ed39278c89f8f295d32d

SHA1
968fa1c236b89ab21c1a2df403e3a84bdb57f509

SHA256
f5d5d204425f95a2c55ada58bb15cbafc0e9fd12843091fbab6b8ab4d42e41d1

SHA512
13222cb0b28e7a35908f3a8ab55bc220cf4a13bb28df61e61047d02dc3590698d8fa1b7d7d82e958bd76655a9d1273daeda5bda1803488861e254e4747432e68

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