hxxps://pub-8c5fdc51bb1b4e1a89ab6736090ef856[.]r2[.]dev/background[.]html#streamlinesupport@getrevmax[.]com

Analysis

max time kernel
152s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
11/12/2023, 16:51

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General

Target

https://pub-8c5fdc51bb1b4e1a89ab6736090ef856.r2.dev/background.html#[email protected]

Score

5^/10

docusign phishing

Malware Config

Signatures

Detected potential entity reuse from brand docusign.
phishing docusign

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133467870889159936"	chrome.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4432	chrome.exe
4432	chrome.exe
1076	chrome.exe
1076	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
4432	chrome.exe
4432	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe
Token: SeShutdownPrivilege	4432	chrome.exe
Token: SeCreatePagefilePrivilege	4432	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe
4432	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 3408	4432	chrome.exe	29
PID 4432 wrote to memory of 3408	4432	chrome.exe	29
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1436	4432	chrome.exe	88
PID 4432 wrote to memory of 1208	4432	chrome.exe	89
PID 4432 wrote to memory of 1208	4432	chrome.exe	89
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90
PID 4432 wrote to memory of 4328	4432	chrome.exe	90

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 https://pub-8c5fdc51bb1b4e1a89ab6736090ef856.r2.dev/background.html#[email protected]
1⤵
- Enumerates system info in registry
- 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:4432
- 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,0x100,0x104,0xd8,0x108,0x7fff130e9758,0x7fff130e9768,0x7fff130e9778
  2⤵
  PID:3408
- 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=1752 --field-trial-handle=1868,i,1019522906573014232,10570840592268102958,131072 /prefetch:2
  2⤵
  PID:1436
- 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=2092 --field-trial-handle=1868,i,1019522906573014232,10570840592268102958,131072 /prefetch:8
  2⤵
  PID:1208
- 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=2172 --field-trial-handle=1868,i,1019522906573014232,10570840592268102958,131072 /prefetch:8
  2⤵
  PID:4328
- 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=3000 --field-trial-handle=1868,i,1019522906573014232,10570840592268102958,131072 /prefetch:1
  2⤵
  PID:4648
- 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=2992 --field-trial-handle=1868,i,1019522906573014232,10570840592268102958,131072 /prefetch:1
  2⤵
  PID:404
- 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=5044 --field-trial-handle=1868,i,1019522906573014232,10570840592268102958,131072 /prefetch:8
  2⤵
  PID:2356
- 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=5128 --field-trial-handle=1868,i,1019522906573014232,10570840592268102958,131072 /prefetch:8
  2⤵
  PID:4360
- 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=4856 --field-trial-handle=1868,i,1019522906573014232,10570840592268102958,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1076

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:1812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
144B

MD5
c0c5141cb35c89113e2cdf42f6d0c648

SHA1
d0d1c0fcb7fbf2f40bce2917ad2194d2b011f56c

SHA256
d4cbc41b0171078ed8533469c8824eb0b5a64eac94deb87244fe43f9bc3d53d7

SHA512
21a8e33e97600173635e18f6591b823a0ca50641c5f9a7972dbe432dcf39519447228bfe850445d1c2840cd6697bbec0e3a42e075f619bdc4a814492a615cb09

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\20e6301b-ad33-4f47-b073-ef0491dc4fbf.tmp

Filesize
2KB

MD5
d48864f941a7e59a7e73a539840d7236

SHA1
eea0111717462c115b5e897c2816a1f76ba69550

SHA256
1537ff6b3b2c669b9d0c2cd57e78a4020241c443283ab88dc6c78fa56bffa333

SHA512
e7b47b796fe1ec6f5a64b33d9fcca9c043bb6839562adffcc5d8572abfe344d930ca1fbb37c249201c9b7559eb0cdeb4d14a0feda3cdd550b80d2de120ef2609

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

Filesize
875B

MD5
fb0ec1190a1adb5736542490485197d4

SHA1
e470cf1c45edbcd1325fe24b5bdb7f0614004f61

SHA256
795a70e075d02feae38560e77bddb4c0765112e7bfbc7611effbfbd6cbe42177

SHA512
1bdbdddfaa3759f6b296c14eb0da7891715bf09b8887a724dedb674abc27ea826a74360bb9f29f01a4e6fe09a50848ac5e9fedf4f4b319ab2e91410a3b3315aa

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

Filesize
6KB

MD5
eb8580fac8b2633e46f5c340e5c3cab4

SHA1
0428e9bec2160a12b31675978c6fb6fd2fe23577

SHA256
09e96a46f86156218002add0edf5cf2816a4defb21e76daeebae423f61c7d661

SHA512
fd459b9362c5db5ba6c1ab17aed5ec0a7c0a3c78005f6fbffb3575d44cbe73fa8f25700df235e6385f6f0f52e16d742c516b279709d12ecd13fde06ae7d8cd6f

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

Filesize
115KB

MD5
9b98a64feec3255005157eb23120083d

SHA1
ddfe62058243bf3443700b1288fa6a1a5f73a8e4

SHA256
dfe895eb063f6acbed9fd92e2e228af1e4c4a4a1744096c78a12bd35f7698773

SHA512
3c869616a524211d2f1cbf0c856cc851f5f8cb7da3b5ff17976157785e7a843a333b35d4120561b08fde106a9d3b328ae5330ef990402dd2143ba84b082a807b

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