hxxps://www[.]kra[.]go[.]ke/images/KRA-Mail-Disclaimer[.]pdf

Analysis

max time kernel
14s
max time network
17s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 21:08

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General

Target

https://www.kra.go.ke/images/KRA-Mail-Disclaimer.pdf

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

msedge.exemsedge.exeidentity_helper.exe

pid process

1488 msedge.exe
1488 msedge.exe
2260 msedge.exe
2260 msedge.exe
4848 identity_helper.exe
4848 identity_helper.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

Processes:

msedge.exe

pid process

2260 msedge.exe
2260 msedge.exe
2260 msedge.exe
2260 msedge.exe
2260 msedge.exe
2260 msedge.exe
2260 msedge.exe

pid	process
1488	msedge.exe
1488	msedge.exe
2260	msedge.exe
2260	msedge.exe
4848	identity_helper.exe
4848	identity_helper.exe

Suspicious use of FindShellTrayWindow 25 IoCs

Processes:

msedge.exe

pid	process
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

msedge.exe

pid	process
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe
2260	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

msedge.exe

description	pid	process	target process
PID 2260 wrote to memory of 2472	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 2472	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 3128	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 1488	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 1488	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe
PID 2260 wrote to memory of 4568	2260	msedge.exe	msedge.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.kra.go.ke/images/KRA-Mail-Disclaimer.pdf
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff936df46f8,0x7ff936df4708,0x7ff936df4718
  2⤵
  PID:2472
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2260 /prefetch:2
  2⤵
  PID:3128
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2304 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1488
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2728 /prefetch:8
  2⤵
  PID:4568
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3340 /prefetch:1
  2⤵
  PID:444
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3348 /prefetch:1
  2⤵
  PID:3676
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --extension-process --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4936 /prefetch:1
  2⤵
  PID:2080
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=ppapi --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --device-scale-factor=1 --ppapi-antialiased-text-enabled=1 --ppapi-subpixel-rendering-setting=1 --mojo-platform-channel-handle=5164 /prefetch:6
  2⤵
  PID:4548
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5544 /prefetch:8
  2⤵
  PID:5040
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5544 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4848
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5632 /prefetch:1
  2⤵
  PID:5536
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4024 /prefetch:1
  2⤵
  PID:5544
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3332 /prefetch:1
  2⤵
  PID:5736
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2252,3248123729163934100,16871883072211973333,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5920 /prefetch:1
  2⤵
  PID:5744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1252

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2028

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\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
2daa93382bba07cbc40af372d30ec576

SHA1
c5e709dc3e2e4df2ff841fbde3e30170e7428a94

SHA256
1826d2a57b1938c148bf212a47d947ed1bfb26cfc55868931f843ee438117f30

SHA512
65635cb59c81548a9ef8fdb0942331e7f3cd0c30ce1d4dba48aed72dbb27b06511a55d2aeaadfadbbb4b7cb4b2e2772bbabba9603b3f7d9c8b9e4a7fbf3d6b6b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
ecdc2754d7d2ae862272153aa9b9ca6e

SHA1
c19bed1c6e1c998b9fa93298639ad7961339147d

SHA256
a13d791473f836edcab0e93451ce7b7182efbbc54261b2b5644d319e047a00a7

SHA512
cd4fb81317d540f8b15f1495a381bb6f0f129b8923a7c06e4b5cf777d2625c30304aee6cc68aa20479e08d84e5030b43fbe93e479602400334dfdd7297f702f2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
111B

MD5
807419ca9a4734feaf8d8563a003b048

SHA1
a723c7d60a65886ffa068711f1e900ccc85922a6

SHA256
aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631

SHA512
f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
82b42e14351e09d081d7e620e86b5ebc

SHA1
fe6211a7882fcfe3fbdffdae2dd8ec6858c66df9

SHA256
7459d56251a9c75686fb7217a85566c313857b131b38e9bfcc13487d789e8d1c

SHA512
14809947fec4c210df621ed0cc37b9fbb9a4374d6649ab0ed4f9509479c60b03279e6276437f551266f9c4277cb39acc19cf0c0286f33ac6ed3c5058a3a6e357

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
fb154dd2bac29312eb9cda29cc82d34d

SHA1
7398c94f62bad50da490fb9d06aa4c378af2d778

SHA256
4b26a424700dee5b2b4ac37914857b899dbc7a09b57b87fbee35aba9f1645fc9

SHA512
3ede4b62ac66f8db20991c6ec0009336f7262911e9f393c4820f55015fbabb6c0e97aad19db23d87047b224c29f70f6e91281f66a59f1675cd37603937308441

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
c41ef54f1eb6fb815f65cba516392ca1

SHA1
e0b07818cd66e040825afd89fa0d0087f4f88bba

SHA256
26dc4eb6e243c63c24352790cd95dea4f725408c494aa6934f007e828f894367

SHA512
db88a0e857d8ca01a822f84b29f73bc5319f20e33485ca1ea83cca3c6ff0ba1933b57144e9c4dbed72b73230839b4a2044e2639dadf698588e44f02908a454db

Download Submit
\??\pipe\LOCAL\crashpad_2260_YXEEVOPGQJHWEJDO

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit