hxxp://emfa[.]pro

Analysis

max time kernel
1800s
max time network
1690s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2023, 11:51

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General

Target

http://emfa.pro

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Program crash 1 IoCs

pid	pid_target	Process	procid_target
428	3984	WerFault.exe	55

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 = "133377835214610878"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1328	chrome.exe
1328	chrome.exe
2920	chrome.exe
2920	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
1328	chrome.exe
1328	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe
Token: SeShutdownPrivilege	1328	chrome.exe
Token: SeCreatePagefilePrivilege	1328	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe
1328	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 1796	1328	chrome.exe	83
PID 1328 wrote to memory of 1796	1328	chrome.exe	83
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 2020	1328	chrome.exe	86
PID 1328 wrote to memory of 4288	1328	chrome.exe	85
PID 1328 wrote to memory of 4288	1328	chrome.exe	85
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87
PID 1328 wrote to memory of 660	1328	chrome.exe	87

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://emfa.pro
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:1328
- 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=0x100,0x104,0x108,0xfc,0x10c,0x7ffa83649758,0x7ffa83649768,0x7ffa83649778
  2⤵
  PID:1796
- 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=1932 --field-trial-handle=1960,i,5835597786753052359,15549025722703310246,131072 /prefetch:8
  2⤵
  PID:4288
- 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=1728 --field-trial-handle=1960,i,5835597786753052359,15549025722703310246,131072 /prefetch:2
  2⤵
  PID:2020
- 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=2244 --field-trial-handle=1960,i,5835597786753052359,15549025722703310246,131072 /prefetch:8
  2⤵
  PID:660
- 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=2908 --field-trial-handle=1960,i,5835597786753052359,15549025722703310246,131072 /prefetch:1
  2⤵
  PID:4324
- 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=2900 --field-trial-handle=1960,i,5835597786753052359,15549025722703310246,131072 /prefetch:1
  2⤵
  PID:4688
- 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=5108 --field-trial-handle=1960,i,5835597786753052359,15549025722703310246,131072 /prefetch:8
  2⤵
  PID:4252
- 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=5208 --field-trial-handle=1960,i,5835597786753052359,15549025722703310246,131072 /prefetch:8
  2⤵
  PID:1500
- 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=1608 --field-trial-handle=1960,i,5835597786753052359,15549025722703310246,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2920

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:3648

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 436 -p 3984 -ip 3984
1⤵
PID:1924

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3984 -s 2596
1⤵
- Program crash
PID:428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

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
168B

MD5
d7e86b1078f7d97057433d6144f3eb98

SHA1
d3616cde680d5fddb96ca28efa9f9ff2d8d259a9

SHA256
c385f087051ed1b19e864bad634479172e22d5e3240680105cd9a66daa27c9e9

SHA512
f6566438121812f546bbe7b3a874461229e1a4beda3ed5ea3f0c16bea6fb30a2d9e18426be121041a7b9179dc68e8d4792b8574038d6da4fbeadc09787400507

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
216B

MD5
ac8fd7cf3a6eed2b70f40c8d8947b792

SHA1
a0420da4389806c02dc634c7ffc163294d012961

SHA256
eb1c56cf78896588baa3f7c03da02cfbb3c385bc38bbb9d07fc2565691ad211a

SHA512
264340049024acafc65fa4e121dfa8fd7835006da135ca6b9ee56554d4a5610c65a0c9fcd259a9cc626a761144c1db062b7e234279072c81cf29d319bd1581f3

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

Filesize
1KB

MD5
1c70dfe69ed14faca265eeeec4581ff6

SHA1
3b2ca8ffa632837450585a8d96567a41262a2bb1

SHA256
75cd28ee9d8dc3eaef9293c8a49bd05925950444d266246315c78b57cb2720f2

SHA512
dce80b9ad49f72d8beeac3974849b02eae70c9c2592aa8f2400fbdbbd8a3801de2f6b06af691febfa318b6e3bc4d234ff5614a6acb57ccb6ca2fab850dc99d97

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

Filesize
1KB

MD5
0ef3a3a3ce811415704cb269dc47fb48

SHA1
796d3472320c9112a885ce615dcbf20db9f14b03

SHA256
d8e3838ebfdb4335a5817260ffaee53a670d0d6b0dfbcb6aeee6ef04ec1572db

SHA512
c3c2e9e10de98467b929daad2a4dd0aa9178bd3f3d88598be1dbd528b57d7229cf2b5ab2940ee8e44028c1d21531bdabac01482e61344290998706d5b9fb5fc9

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

Filesize
538B

MD5
4c131c791bce60bb212ad5eaccc6596a

SHA1
548c0581bf5bcc465fb08f48b0677fbc7afe9c79

SHA256
a80a258d6f69b72f9063a491273145c4e53a396381d27dc895b92c7a12a5e5ff

SHA512
2baeab261e1d09111ae226c7f99078a30612f29a16af0f971a13967b0c0e3c329c28a948129840d9e49418414fedf275b6f15fda17fa327be66ff7b2ce397d4c

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

Filesize
538B

MD5
33d9ef89761d09d516406820d5d07880

SHA1
f70f97f4f05a9632ab03e6c327492624942843c4

SHA256
5745272b564c5b010fde13e936bff62548d84032acc25caaf06b0c7073769132

SHA512
a293146613a68b9465dad63e9a469df1bdd9ae559c2a09ade5ada10bca995134a95cef196c3e2ac2455917f047a07408f55641cae9a8b1df0a83ae9d7e0b04be

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

Filesize
6KB

MD5
fc00fe37b5fcc13e2fab78b9260b8954

SHA1
dfff8503765acff131135d2cf2007ed0fb4cd823

SHA256
4953345663b0ac1df3fe3be6f2dd97872805f7820be7697741ef7f693bfb417c

SHA512
ae8d1d3a2dae4071d4678c60cb39a371ff084785b8bc38678ab161869d05555de2f2c32ee16168d145ace34fbf72b76e6f6993f979caffe6249d83c2a9c6b691

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

Filesize
87KB

MD5
2b6016ac70bfa150359493741ad9e36b

SHA1
087f9c85362cab606312fa6afc6a5c741a9cb5e8

SHA256
5fef23829621ccd853d382d5c4e257ea235eae78885fbb14b46e38b790c32a0e

SHA512
21216d9849eb39bd6f5b69e750ccc04ecc909c66cab1bad359a8317bffa8cf7ce9c372cefa63c6f86ca5ac3a5c7cead85706b8753c2d601b54d963d1e7ab9f5e

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