6ff53b8187d0d3e287ad9ce3da20eca4f9dd105a2e3421ca1ad73b533ec4b91a

General

Target

Ambrosial.exe
Size

15.9MB
MD5

596b0f4684d45de83c204967c06e48a3
SHA1

933dc2dc29a17a9447c944289fed4f98e0eb5e5f
SHA256

6ff53b8187d0d3e287ad9ce3da20eca4f9dd105a2e3421ca1ad73b533ec4b91a
SHA512

8f50098d120d32a84347a8337dee27061a6914d66b951f930d491a81a9804317318f25f80467684fd4fecea6bccc6de38b2df3ee2742a54805f2cdb4413d3830
SSDEEP

196608:64WxsIO2gfRMhSE8/Erd8QP+ih91qBpodTAIRq+2vBt:64WuIO2gfRMYbcr6QP391qBafC

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

Processes:

Ambrosial.exe

description ioc process

File created C:\Windows\Fonts\Azonix.otf Ambrosial.exe
File opened for modification C:\Windows\Fonts\Azonix.otf Ambrosial.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1708 788 WerFault.exe Ambrosial.exe

description	ioc	process
File created	C:\Windows\Fonts\Azonix.otf	Ambrosial.exe
File opened for modification	C:\Windows\Fonts\Azonix.otf	Ambrosial.exe

pid	pid_target	process	target process
1708	788	WerFault.exe	Ambrosial.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chrome.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

chrome.exe

pid process

1564 chrome.exe
1564 chrome.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe
Token: SeShutdownPrivilege	1564	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

Processes:

chrome.exe

pid	process
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

Processes:

chrome.exe

pid	process
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe
1564	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Ambrosial.exechrome.exe

description	pid	process	target process
PID 788 wrote to memory of 1708	788	Ambrosial.exe	WerFault.exe
PID 788 wrote to memory of 1708	788	Ambrosial.exe	WerFault.exe
PID 788 wrote to memory of 1708	788	Ambrosial.exe	WerFault.exe
PID 1564 wrote to memory of 960	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 960	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 960	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 680	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 824	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 824	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 824	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe
PID 1564 wrote to memory of 1352	1564	chrome.exe	chrome.exe

C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe
"C:\Users\Admin\AppData\Local\Temp\Ambrosial.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 788 -s 596
2⤵
- Program crash
PID:1708

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:520

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1564

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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fefb819758,0x7fefb819768,0x7fefb819778
2⤵
PID:960

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=1208 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:2
2⤵
PID:680

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=1544 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:8
2⤵
PID:824

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=1672 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:8
2⤵
PID:1352

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=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2216 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:1
2⤵
PID:760

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=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2188 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:1
2⤵
PID:1696

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1208 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:2
2⤵
PID:2064

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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2492 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:1
2⤵
PID:2160

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3900 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:8
2⤵
PID:2228

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4024 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:8
2⤵
PID:2252

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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=4176 --field-trial-handle=1268,i,17217906554771721553,1750636234085703832,131072 /prefetch:1
2⤵
PID:2400

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:1176

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\8a42d89e-23e6-46ca-96ea-70159fb6e6b9.tmp
Filesize
173KB

MD5
ad11f2a5a2d4dc86e6f721240b680927

SHA1
02c44ecd4bfe65a47ee7206d71a79f52a23a54da

SHA256
b7dd54e4d3564ef2d1de06e8990a36c7494a8c1699c15705803c26016cff28ca

SHA512
4e4bf413e278dc90790a5520fcc60b7e1d1c723dfb7ec22a35d6cb5e7acde9039780950a76464bcb89db54ecbae4bb2e473fabf4b8e05bc800e05b590e362d1f

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\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\TransportSecurity
Filesize
363B

MD5
7627f7bd5ca6fb0c8f7f41f04b0f7a86

SHA1
fd88ff68fbbaa29ba05d69763c39dafd1f14b6fc

SHA256
6a227cd7247b8d4d4322d071974800dce14c4e0e665824fa433434b470e93f02

SHA512
150ee5e3b6d286ea6759718faec467d08f9a06ac50f27da2ecadff96e3f08483b245f5f47907cb46e92702d25048e156485fa8e328283347b8ff0a4fd1614c9e

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
Filesize
4KB

MD5
77289b734aa3447d1b2369be828c0174

SHA1
d93a988edf0e6c30c0705446af62a9c9c0756ac8

SHA256
3ae8ea90cdef26fc8cf434446ff7adc678bc6154fcfd55cc52d207a55d5904d8

SHA512
e666f9a8b3a217136f52931dce57f2bce353270803203846e72c59d84b2c08cde739089e85a1891e924c0047678fe0c1fbc5ed0b929001cbbf23c19fc9790f75

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000004.dbtmp
Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
Filesize
173KB

MD5
4bd84ca30a743f04ca0dee1c92256399

SHA1
f24a9dfdf10ec2406217a777fd70a36bbdf1a470

SHA256
725cacddad5640d123d72d5417915bfb4897bd74e3e20b8c620870630becb86c

SHA512
375a85e739bfd139d5aff6fc15a08cc1c78c52d567fd16ccb71bae584ae0dacca6641188e37fe7fb68969318a539876efaddfc7350b65bcb9734b0708f994b1c

Download Submit
C:\Windows\Fonts\Azonix.otf
Filesize
11KB

MD5
cdfe47b31e9184a55cf02eef1baf7240

SHA1
b8825c605434d572f5277be0283d5a9b2cde59e4

SHA256
51a65e5c09bf27980adf640cb54cb2a5bbb217fdaab79b377e158f92533362a9

SHA512
a2e5141c0f7ca72bcf5b1a303fce1734953d83ad363d4c3c7d8786e1bfd872a6b96eeabce3740b547a5447e255415cdf688a0d2074cecfaa0c54c49d0f2882c5

Download Submit
\??\pipe\crashpad_1564_YQCIQLLDBIIINHRX
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/788-54-0x0000000000850000-0x000000000183A000-memory.dmp

Filesize
15.9MB

Download
memory/788-55-0x0000000000150000-0x000000000016C000-memory.dmp

Filesize
112KB

Download
memory/788-56-0x0000000000570000-0x000000000058A000-memory.dmp

Filesize
104KB

Download
memory/788-57-0x0000000003220000-0x00000000032A0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads