76234c3fdb459b230445b7b8f5a376d9a66e4f479c0d5712a1461ab0cf9487dc

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 12:50

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General

Target

656a6ed5a592cd5144b7095fa8576611.pdf
Size

89KB
MD5

656a6ed5a592cd5144b7095fa8576611
SHA1

53785a087cbf09defba0982d84d724d62537a160
SHA256

76234c3fdb459b230445b7b8f5a376d9a66e4f479c0d5712a1461ab0cf9487dc
SHA512

3c3e41b76018e99982d92726430f011ee33b3cd8a131c6e518b7a9ec15349747fecda2fec26397e403f5389887185300d76558fc616239d926eb3b482f88a612
SSDEEP

1536:qYn8s1K4sDvWQIon9DgvoIOAInf0XbI/IueWYpO2js/uDWv73NRu3:x8s1GZn98voxlmqZ2Eu6RQ

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 4796	3416	AcroRd32.exe	91
PID 3416 wrote to memory of 4796	3416	AcroRd32.exe	91
PID 3416 wrote to memory of 4796	3416	AcroRd32.exe	91
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 2080	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 4548	4796	RdrCEF.exe	94

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\656a6ed5a592cd5144b7095fa8576611.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:3416
- 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:4796
- - 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=A3D8C6D9C4EF1FF218D25F66766A1B0A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2080
- - 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=A37BE3F80F8D0DC32EAE2685F4FA32E1 --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=A37BE3F80F8D0DC32EAE2685F4FA32E1 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4548
- - 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=118451572026E5CC98D91CEA3E7AA21C --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3248
- - 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=B92366D8F69F41CEE738CE8E3C087584 --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=B92366D8F69F41CEE738CE8E3C087584 --renderer-client-id=5 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3176
- - 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=DCEF348FCD44BD33697CA884638A0CB1 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968
- - 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=3B94103A71D1D4E7A18C8BE713D7CD5A --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:824

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4672

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
5b91bddc29d1814e4ca4b628030b5252

SHA1
3604bb0e5d4a7d34dbe66c57b33f784a0f6900ee

SHA256
3419df244d28c93ab26fdc26627c3dcd3b43699799318354cf95e5938b1b9d4a

SHA512
1bd6558647c76903145f95a6af12936a581132d76e89fe3ae9547972c2f61fd8f59ce6049e83246420839adaac164b1cf29a3eabd3e8bccb4774c01cd1eed1e8

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

Filesize
22KB

MD5
1500cdbde057ca273bb2dcb0e518cd66

SHA1
b6285530627147edda19099b5779152eb7c0da97

SHA256
fe77c2a9fbd82b59e97ed20301e697736f476d0032679b06bce0e4b2d637cf79

SHA512
1609abfc71aed005a914171f184b1693035ed6e4f7f9e1b22cd56122a094a3ab0edfa2c783af6b5027658d7753cf3f46f095c1fed71b59f92678573e659c04c7

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit