hxxp://mail[.]recsa[.]com[.]ar/wf/open?upn=16uOpfAcLKdlgESVz3YAWo84G26Hx9fhhEqWCes7L1sUIdmYNQmxqmGZ7w4WRtjrB3kerZNiGjlEaIjX8N-2BRiGRz-2BJbG492Te4d7kFTESccZiAXBoQ8R9NzNUWSgnFrFDkM3PrwewX3i20mlbk4cXZ02-2BitunStl6NRMRbq-2BowUDaRUJkNpu0AYzFz8yS6CbZ-2BYGtwJHKYXUKWTotkhbNLlh18ah0aVKy0OKKFd8bT4-3D

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230703-es
resource tags

arch:x64arch:x86image:win10v2004-20230703-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
18/08/2023, 17:06

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General

Target

http://mail.recsa.com.ar/wf/open?upn=16uOpfAcLKdlgESVz3YAWo84G26Hx9fhhEqWCes7L1sUIdmYNQmxqmGZ7w4WRtjrB3kerZNiGjlEaIjX8N-2BRiGRz-2BJbG492Te4d7kFTESccZiAXBoQ8R9NzNUWSgnFrFDkM3PrwewX3i20mlbk4cXZ02-2BitunStl6NRMRbq-2BowUDaRUJkNpu0AYzFz8yS6CbZ-2BYGtwJHKYXUKWTotkhbNLlh18ah0aVKy0OKKFd8bT4-3D

Score

1^/10

Malware Config

Signatures

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133368520119938131"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4592	chrome.exe
4592	chrome.exe
4848	chrome.exe
4848	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
4592	chrome.exe
4592	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe
Token: SeShutdownPrivilege	4592	chrome.exe
Token: SeCreatePagefilePrivilege	4592	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe
4592	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 4192	4592	chrome.exe	17
PID 4592 wrote to memory of 4192	4592	chrome.exe	17
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 3376	4592	chrome.exe	83
PID 4592 wrote to memory of 4204	4592	chrome.exe	86
PID 4592 wrote to memory of 4204	4592	chrome.exe	86
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84
PID 4592 wrote to memory of 4584	4592	chrome.exe	84

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://mail.recsa.com.ar/wf/open?upn=16uOpfAcLKdlgESVz3YAWo84G26Hx9fhhEqWCes7L1sUIdmYNQmxqmGZ7w4WRtjrB3kerZNiGjlEaIjX8N-2BRiGRz-2BJbG492Te4d7kFTESccZiAXBoQ8R9NzNUWSgnFrFDkM3PrwewX3i20mlbk4cXZ02-2BitunStl6NRMRbq-2BowUDaRUJkNpu0AYzFz8yS6CbZ-2BYGtwJHKYXUKWTotkhbNLlh18ah0aVKy0OKKFd8bT4-3D
1⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffee2cf9758,0x7ffee2cf9768,0x7ffee2cf9778
  2⤵
  PID:4192
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1624 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:2
  2⤵
  PID:3376
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2212 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:8
  2⤵
  PID:4584
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2852 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:1
  2⤵
  PID:4092
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2160 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:8
  2⤵
  PID:4204
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2860 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:1
  2⤵
  PID:4672
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4864 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:8
  2⤵
  PID:3604
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4916 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:8
  2⤵
  PID:1064
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2812 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4848

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:3856

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
824B

MD5
2b2a7f5d8623300dee3741b9f8057d18

SHA1
d87984255ff10fdf2430b0d07620797d181c6e74

SHA256
33484ab4f78da8dcdf799b83ba0fd7d8ec4bafd7274fe3d9c656998290702cc9

SHA512
3de9d64fb2cb747de1f4cdcf536862b86680333747276c417033c79d7179e09ff73729f3ce90f905c6b06e679b906fdf7bb8a0c0e87efe022fb84a20ddfc426b

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
6KB

MD5
0538997a430726eaba8852be2adec54f

SHA1
17791f50ced4a4bffeb6067119475182ec9a517b

SHA256
03563b4b07203c949099998098fda4277bcab15bee205f01fa8d5eb9e47da91a

SHA512
5daffe8dc142b0cf45a201ead9a548f121821bf14583bbe722db2fe3fe947d391d4dfb9ccbab3701b9f521ed2a9bfeecb439d45462f9b0a4eedca0d23f5249b6

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
87KB

MD5
dba32958018bc2ba77db512d0129c291

SHA1
c136e75908622a78edbcd0786d9b9a214cc24878

SHA256
a5b5c8df054621b802ed0aa2e72555961498bd099ef76ebff0712b99572ceb3d

SHA512
41ddab80999dbf6cd23685fed6abce1c1075322829025193fbf15926ddbadb83d936db1bd2b8e83071cf5f524f0d7f4dc85f5ed245dc9f3213e9632fdcf2c3d3

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit