c387ee7f48ff155e5028d77aab7717c4ec69a158f423bff66128166c7ea7ee81

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2024 13:33

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General

Target

df4a532b97f6266acebf0d59f0013fb8.pdf
Size

84KB
MD5

df4a532b97f6266acebf0d59f0013fb8
SHA1

67d376d7e14d375c3310cbfe14077fb7730d5213
SHA256

c387ee7f48ff155e5028d77aab7717c4ec69a158f423bff66128166c7ea7ee81
SHA512

8a461431263634cc296f31b63bb56e3d3f590d527967b709fe67fb45e99f806813c7ec2b999260b6145d6c624d2ee2a28e6bdca275296ca6de557eeb6449f9b0
SSDEEP

1536:mJkYLRE3sAjiXgPKYPABjo5luzg3WCPjTcKHmTtqWUB1Hy6pRCvRAgHWxApOGy6M:CNLRE3jeXQPAyuzg3WCJmpm3bUo3Gs

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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 4448	1136	AcroRd32.exe	96
PID 1136 wrote to memory of 4448	1136	AcroRd32.exe	96
PID 1136 wrote to memory of 4448	1136	AcroRd32.exe	96
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 4336	4448	RdrCEF.exe	97
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98
PID 4448 wrote to memory of 2536	4448	RdrCEF.exe	98

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\df4a532b97f6266acebf0d59f0013fb8.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:1136
- 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: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=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=D151C0A0DACE478C442C30ACF42F82DB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4336
- - 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=AF0A694720E2878FF74829533DD9BADB --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=AF0A694720E2878FF74829533DD9BADB --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=2DEEB42F9FB4668D379B47A43F33DD09 --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=2DEEB42F9FB4668D379B47A43F33DD09 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3976
- - 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=C58180668F6E29ACE2D0E95C7019B9E4 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2184
- - 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=DEAD15753813C1D9F141F3F05D140483 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4288
- - 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=BF436B9EEC0C50B156DAB230542B4E88 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5028

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4112 --field-trial-handle=2536,i,8161505972217706694,705854963991409854,262144 --variations-seed-version /prefetch:8
1⤵
PID:2848

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6b4ef6042465ba1cd1aebf498dc277ec

SHA1
b67147e88d4977e7e389122c3cf2d7138b239261

SHA256
8ae062f9288d818a1fb573566e471d8d9f53b19a04961f103fc8b96de91ccc60

SHA512
04557d89cf6d7e80e6a3b582637367f394dd0a55f42b3fb704a9a2052aaa0553627a9de241eed8cf90f355ad326a1c09727ff3c7edce0f65f0f85352102d95e0

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/1136-28-0x000000000BDB0000-0x000000000BDD1000-memory.dmp

Filesize
132KB

Download