3e36150d086a92c069e6bab134ae4a3988b067cade0d78eba83410fbf2aab3cd

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 12:22

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General

Target

58e85ce44f9135f5ef748e9e877e5170.exe
Size

250KB
MD5

58e85ce44f9135f5ef748e9e877e5170
SHA1

49d71571adfd2bba8fd9fe470c1f806c351f6665
SHA256

3e36150d086a92c069e6bab134ae4a3988b067cade0d78eba83410fbf2aab3cd
SHA512

b2d2d579011b05ab96d79b2a5c1747f3e93e4a80ab5d6e187001d4d37bc57532bdda4fdca1c6e2be2cd7f138a8485829dbb02cdebed8f74d61429af66f34c04d
SSDEEP

6144:j7y+Qfb56BBMl5yyw5CpA/7sJ5pwvP6bQ7yMP+DE827KJG:/yf6aw5krJ5i6b7MP+Dd2D

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\inf\ram32xp.dll	58e85ce44f9135f5ef748e9e877e5170.exe
File created	C:\Windows\inf\ram65xp.dll	58e85ce44f9135f5ef748e9e877e5170.exe

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

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	58e85ce44f9135f5ef748e9e877e5170.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	58e85ce44f9135f5ef748e9e877e5170.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	58e85ce44f9135f5ef748e9e877e5170.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe
2396	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2880	3016	58e85ce44f9135f5ef748e9e877e5170.exe	89
PID 3016 wrote to memory of 2880	3016	58e85ce44f9135f5ef748e9e877e5170.exe	89
PID 3016 wrote to memory of 2880	3016	58e85ce44f9135f5ef748e9e877e5170.exe	89
PID 4120 wrote to memory of 2396	4120	explorer.exe	93
PID 4120 wrote to memory of 2396	4120	explorer.exe	93
PID 4120 wrote to memory of 2396	4120	explorer.exe	93
PID 2396 wrote to memory of 3168	2396	AcroRd32.exe	100
PID 2396 wrote to memory of 3168	2396	AcroRd32.exe	100
PID 2396 wrote to memory of 3168	2396	AcroRd32.exe	100
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 4188	3168	RdrCEF.exe	101
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102
PID 3168 wrote to memory of 856	3168	RdrCEF.exe	102

C:\Users\Admin\AppData\Local\Temp\58e85ce44f9135f5ef748e9e877e5170.exe
"C:\Users\Admin\AppData\Local\Temp\58e85ce44f9135f5ef748e9e877e5170.exe"
1⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe "c:\FINAL_TBF2.pdf"
  2⤵
  PID:2880

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\FINAL_TBF2.pdf"
  2⤵
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2396
- - 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
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3168
  - - 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=B47E7B7CCD99B2EA0949D3C637D302E9 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:4188
  - - 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=63B6364AFE409A30307481579CF0C515 --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=63B6364AFE409A30307481579CF0C515 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
      4⤵
      PID:856
  - - 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=988A0D05FBC900A4D1DC6AA749C7C72C --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:2428
  - - 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=BC409B8F6BAD40464F89BEDBC917557E --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:4508
  - - 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=94C3DC6B43AFBC67268625164A7AFFCC --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:1060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4136

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
573a029dd936b923406f381b24d460db

SHA1
8b0ebb3c80c2cd007445b846c28c8356a939790b

SHA256
6e72e6c73f16d991736323dec7d51821ec4d91c4efe9fc1dcac61f3d210d2358

SHA512
6a80c21424ac0ab628f5c026fd495a3d49c9c5ec0314c45e0619ed867dcb458229b9202d17fc8bc03d2c47dd496964ac5a1be81078d23bab6472901fd55dc0ea

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/3016-11-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/3016-13-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/3016-6-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/3016-7-0x0000000002550000-0x0000000002551000-memory.dmp

Filesize
4KB

Download
memory/3016-8-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/3016-9-0x0000000002510000-0x0000000002511000-memory.dmp

Filesize
4KB

Download
memory/3016-10-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/3016-0-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3016-12-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/3016-5-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/3016-14-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/3016-15-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/3016-16-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3016-17-0x0000000000A70000-0x0000000000AA0000-memory.dmp

Filesize
192KB

Download
memory/3016-4-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3016-3-0x0000000000AC0000-0x0000000000AC2000-memory.dmp

Filesize
8KB

Download
memory/3016-1-0x0000000000A70000-0x0000000000AA0000-memory.dmp

Filesize
192KB

Download