hxxps://poczta[.]ppl[.]pl/owa/?filename=[.][.]/[.][.]/[.][.]/[.][.]/[.][.]/[.][.]/etc/passwd&mphb_action=download

Analysis

max time kernel
125s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 04:40

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General

Target

https://poczta.ppl.pl/owa/?filename=../../../../../../etc/passwd&mphb_action=download

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

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 = "133719720429194490"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3604	chrome.exe
3604	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe

Suspicious use of AdjustPrivilegeToken 56 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe
Token: SeShutdownPrivilege	3604	chrome.exe
Token: SeCreatePagefilePrivilege	3604	chrome.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe
3604	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 1384	3604	chrome.exe	81
PID 3604 wrote to memory of 1384	3604	chrome.exe	81
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 3168	3604	chrome.exe	82
PID 3604 wrote to memory of 2300	3604	chrome.exe	83
PID 3604 wrote to memory of 2300	3604	chrome.exe	83
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	chrome.exe	84
PID 3604 wrote to memory of 1692	3604	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 https://poczta.ppl.pl/owa/?filename=../../../../../../etc/passwd&mphb_action=download
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:3604
- 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:4 --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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffbd65ccc40,0x7ffbd65ccc4c,0x7ffbd65ccc58
  2⤵
  PID:1384
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1760,i,13562003564830803718,13449155184271193440,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=1728 /prefetch:2
  2⤵
  PID:3168
- 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 --no-appcompat-clear --field-trial-handle=2156,i,13562003564830803718,13449155184271193440,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2200 /prefetch:3
  2⤵
  PID:2300
- 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=service --no-appcompat-clear --field-trial-handle=2256,i,13562003564830803718,13449155184271193440,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2432 /prefetch:8
  2⤵
  PID:1692
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3108,i,13562003564830803718,13449155184271193440,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3124 /prefetch:1
  2⤵
  PID:1700
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3100,i,13562003564830803718,13449155184271193440,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3308 /prefetch:1
  2⤵
  PID:704
- 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 --no-appcompat-clear --field-trial-handle=4580,i,13562003564830803718,13449155184271193440,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4592 /prefetch:8
  2⤵
  PID:2444
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4840,i,13562003564830803718,13449155184271193440,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4976 /prefetch:1
  2⤵
  PID:888
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --field-trial-handle=3308,i,13562003564830803718,13449155184271193440,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3440 /prefetch:1
  2⤵
  PID:2700
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --field-trial-handle=4440,i,13562003564830803718,13449155184271193440,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=5072 /prefetch:1
  2⤵
  PID:4540

C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
1⤵
PID:1080

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:3172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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\BrowsingTopicsState

Filesize
649B

MD5
085d24ad49bb0fb79519126d105424d3

SHA1
232e56399bb4159995974aa076dcbd33b9fe5a1f

SHA256
1ba9df869f0db605a0636fe342e70cd9e53f761cbf22c95cf548676d881a466d

SHA512
ff3cb4965624e14f47726a9fe72c4c6df2f15fa071ded2c5583114b8b9653d4bbb8ab96b8f0a96bf609b5cbd05844b671d62ead3d7567146e5be4ce594100d05

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\DawnCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

Filesize
962B

MD5
132daa07f1d9cb4fb96a717c939d36ba

SHA1
a90979e97022826af4215abc00d69b664b392146

SHA256
e08200cd79a98820279efeea9cfd1a481c3601cd8c276e4ebd2c7d3c6afff88c

SHA512
11ea1451b52fceaab4846955482a74dcfad30bd0ce4a98a650568550160d6817e5b1fce1e8f80d0ac9c2d51c34ca89c9b2843d332f5261203c62a3d6c0260309

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

Filesize
9KB

MD5
f864e5e8a6013af1f82faaa48465041f

SHA1
fa873244d44fdb1dd9709e50082bf6a8a1ec017c

SHA256
3096907894ffc19a4742e2a5b9933b8470d49badc25a83037264c91453507510

SHA512
e77506f3821e9cde377efc0334d35d6ed724af319ff96915ea594c6dba9a1be2ab4f61ff33ba457e1840a037b413e9db5ecfc26f39cac360ef5a86753547918e

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

Filesize
9KB

MD5
738d172be464218d687f3403fb6986c1

SHA1
34c409e405f2386c814e24d569f9d574246b6574

SHA256
18ae86f2a3c1de507181927d73c34f833fe221db7e09f9fbd8bc8081e80c8676

SHA512
ef9b77eb18e7d9a587c2515be2474478aef8a93a4023d8af59810dac6379d8948b0239ebba917ad348528bbb6ce959643383c40f86f61f20bb9435e6a854765d

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

Filesize
99KB

MD5
b1975f3cc4c7367781d649fd4c0bdebc

SHA1
6fc558c9bc21f4f9566a1ab32a12c4e5f2e2d9d8

SHA256
dc659f94ff88f84cc53d9b352021b0c491f607ce99b0e52130ff641062eb0e11

SHA512
fc9a5869fa59bad5256f64779319ddc63ad1ed3e846e80ef5ee25da64fa8624c9c0f3851ebfbbb18067c7b763db8c8b1a3bda3ec3a0dcbd0c2c4a10e668ddc93

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

Filesize
99KB

MD5
2ccae79c4fde7365ab638b40784c4852

SHA1
643164188b34eacf0a0329bedf9846089c1b8ba1

SHA256
675c3cc6e660449144d009eda977e413097787e3603f42b12f27be75af3d4d13

SHA512
1b9aab2b1fea0cedb50b169079fe972a98768df7c03456f98b16d18271cf985f202748eedb8ddd2de92109d173a137f8f6510733b8a8e9dd7a9d38b9eb5d1125

Download Submit