b4fe684f2715e2b08581aef7f8901eb3df9c9b2b5b3b0510559ec9abb3d8cc1f

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 16:40

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General

Target

bf17dd8a40c4f15d4da1a8c6e32c4737.pdf
Size

88KB
MD5

bf17dd8a40c4f15d4da1a8c6e32c4737
SHA1

ceca1954d9060879860bfb3a5cf76dd95462add4
SHA256

b4fe684f2715e2b08581aef7f8901eb3df9c9b2b5b3b0510559ec9abb3d8cc1f
SHA512

ec5360a06d3374c7aebd86a07011264fdbcfcaf5afa2331454e5826b11c6f79df79a9fc1086eea2ec35e738ae8367e201c0b18ee3dab46eacdb55f71cee4e252
SSDEEP

1536:kdn5ojjraW2CP4J6+h9Y80QHm5rYysIDPLMGj6WxgC7BpWIBXHyRWUpO7c55g:sOjraWfwxh9hxm5Ffh7B11HyU7N

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1548	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 1572	1548	AcroRd32.exe	104
PID 1548 wrote to memory of 1572	1548	AcroRd32.exe	104
PID 1548 wrote to memory of 1572	1548	AcroRd32.exe	104
PID 1548 wrote to memory of 1260	1548	AcroRd32.exe	106
PID 1548 wrote to memory of 1260	1548	AcroRd32.exe	106
PID 1548 wrote to memory of 1260	1548	AcroRd32.exe	106
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 1152	1572	RdrCEF.exe	107
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108
PID 1572 wrote to memory of 2864	1572	RdrCEF.exe	108

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\bf17dd8a40c4f15d4da1a8c6e32c4737.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:1548
- 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:1572
- - 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=BE4E92EA413DD0E67F01994C0370CC32 --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=BE4E92EA413DD0E67F01994C0370CC32 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1152
- - 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=4208039C975549A3B6D854194D15148A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864
- - 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=496EE1B4CC0134CEAED330499392C074 --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=496EE1B4CC0134CEAED330499392C074 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2748
- - 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=708D4769D2CE7DB8D9269BCEB5670960 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224
- - 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=FD1F5BE2B65758BF8B2A9465C51E5FC1 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2900
- - 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=8911A4327977CB79576CBD2318F26F1A --mojo-platform-channel-handle=2088 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2496
- 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:1260

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4744

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=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:5808

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
fdfa4831cd1282caba7a417c57e0249e

SHA1
380508b670d83624c2fc796f2700d499e09d3f0c

SHA256
0b2b6e30c45b963045035ba2de6ac3bbad2b8cdbdba541618e31c2f58cd95a94

SHA512
ca3d9784dd0219a93fb0aebc096fc821eacbcabc50de7f340c298e7295be4a1f468f5031b1af16a40a9d422b12734c045a51730ff18e616743c8fa772241b34e

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