fatalrat | e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
07-12-2023 05:23

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General

Target

e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
Size

5.8MB
MD5

20c4e0f1811db0244d3ed411aacd73fd
SHA1

45e63fb6a289135a399363ff74ef51731887cf67
SHA256

e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb
SHA512

ceebdaf1df566ed9d6a88348f44aa1012e9eed42a05378c34a398f8104e2d2b467b8863ee86d37b63f867c0fd4366958aee40efc87337afe8bf517ecc1052583
SSDEEP

98304:NU78vRwBersVSdHbck1lr2as8JQNG0FWJLaIAZhUX+OVRk9c:NsyzdHIKVs8J50FYaIAZhUqc

Score

10^/10

fatalrat infostealer rat vmprotect

Malware Config

Signatures

FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
infostealer rat fatalrat

Fatal Rat payload 1 IoCs

rat infostealer

resource	yara_rule
behavioral1/memory/2292-35-0x0000000000260000-0x000000000028A000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

pid	Process
2292	GNCEFExternal.exe

Loads dropped DLL 2 IoCs

pid	Process
2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
2292	GNCEFExternal.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2264-2-0x0000000000850000-0x000000000142E000-memory.dmp	vmprotect
behavioral1/memory/2264-6-0x0000000000850000-0x000000000142E000-memory.dmp	vmprotect
behavioral1/memory/2264-28-0x0000000000850000-0x000000000142E000-memory.dmp	vmprotect

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Funshion\GNCEFExternal.exe	GNCEFExternal.exe
File created	C:\Program Files (x86)\Funshion\cvsd.xml	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
File created	C:\Program Files (x86)\Funshion\GNCEFExternal.exe	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
File created	C:\Program Files (x86)\Funshion\libcef.dll	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
File created	C:\Program Files (x86)\Funshion\msvcp100.dll	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
File created	C:\Program Files (x86)\Funshion\msvcr100.dll	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
File opened for modification	C:\Program Files (x86)\Log\2023-12-07 GNCef.log	GNCEFExternal.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	GNCEFExternal.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	GNCEFExternal.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe
2292	GNCEFExternal.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	GNCEFExternal.exe
Token: SeIncBasePriorityPrivilege	2292	GNCEFExternal.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2292	2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe	28
PID 2264 wrote to memory of 2292	2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe	28
PID 2264 wrote to memory of 2292	2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe	28
PID 2264 wrote to memory of 2292	2264	e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe	28
PID 2292 wrote to memory of 2792	2292	GNCEFExternal.exe	29
PID 2292 wrote to memory of 2792	2292	GNCEFExternal.exe	29
PID 2292 wrote to memory of 2792	2292	GNCEFExternal.exe	29
PID 2292 wrote to memory of 2792	2292	GNCEFExternal.exe	29

C:\Users\Admin\AppData\Local\Temp\e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe
"C:\Users\Admin\AppData\Local\Temp\e06f8c48a864876ddb10c98fd00ff4a5b3062ad16f7c2c847b367ef8d5e279cb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Program Files (x86)\Funshion\GNCEFExternal.exe
  "C:\Program Files (x86)\Funshion\GNCEFExternal.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2292
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c del /q C:\Program Files (x86)\Funshion\GNCEFExternal.exe
    3⤵
    PID:2792

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:\Program Files (x86)\Funshion\GNCEFExternal.exe

Filesize
550KB

MD5
37f24d777f06a274be6091e876910295

SHA1
fca8aa72cad4f30aac459d76bd71e8cfc9a7b367

SHA256
baa59def8aaad78906b5f1bde287224df378e6dfda62fa5a2279e6875d4d94f4

SHA512
f037d8c138de63cff11e96bb219c0f630d43434cf27c6c328108f508c0619238668803f9ef249b0f9fdc377f99ce7a56b60e5642397bc23cd7a1ff36e0d285e4

Download Submit
C:\Program Files (x86)\Funshion\GNCEFExternal.exe

Filesize
550KB

MD5
37f24d777f06a274be6091e876910295

SHA1
fca8aa72cad4f30aac459d76bd71e8cfc9a7b367

SHA256
baa59def8aaad78906b5f1bde287224df378e6dfda62fa5a2279e6875d4d94f4

SHA512
f037d8c138de63cff11e96bb219c0f630d43434cf27c6c328108f508c0619238668803f9ef249b0f9fdc377f99ce7a56b60e5642397bc23cd7a1ff36e0d285e4

Download Submit
C:\Program Files (x86)\Funshion\libcef.dll

Filesize
151KB

MD5
6a0254727f08225dbd6051d5ae6e4c07

SHA1
38c37b458659acf342431aae3e88bc7910e3bca6

SHA256
8fefc59d22686835ff639d21cbb004555eecc1dd69bf6a5e4804ecb2e8c6ffe4

SHA512
ad7f14179fd9f4a44bd5985bd584701ee1dccdd3ca5a0dc19c6540dd19bfdf350ebb8e4b2dec496a441e837b8dce4908bbc7c0a0f23cffa9f6cd5b065ad8d8c7

Download Submit
C:\ProgramData\afd.bin

Filesize
198KB

MD5
78c1f6e409b05a352173dff922392414

SHA1
6681433fb96548904b1248b879c4b88114766d1d

SHA256
111b77a418f459a00128cd0b0daf63df176396507ceee3846f7c8915efea5f7c

SHA512
07b68d864dfedf0a89f4b11be15012675f43bd38cd87d3a86387cdc3e5ba99a6b2489f79084283cd7d4c9494f192c1a0c4630a8618843a2fc3f6527634f81d15

Download Submit
\Program Files (x86)\Funshion\GNCEFExternal.exe

Filesize
550KB

MD5
37f24d777f06a274be6091e876910295

SHA1
fca8aa72cad4f30aac459d76bd71e8cfc9a7b367

SHA256
baa59def8aaad78906b5f1bde287224df378e6dfda62fa5a2279e6875d4d94f4

SHA512
f037d8c138de63cff11e96bb219c0f630d43434cf27c6c328108f508c0619238668803f9ef249b0f9fdc377f99ce7a56b60e5642397bc23cd7a1ff36e0d285e4

Download Submit
\Program Files (x86)\Funshion\libcef.dll

Filesize
151KB

MD5
6a0254727f08225dbd6051d5ae6e4c07

SHA1
38c37b458659acf342431aae3e88bc7910e3bca6

SHA256
8fefc59d22686835ff639d21cbb004555eecc1dd69bf6a5e4804ecb2e8c6ffe4

SHA512
ad7f14179fd9f4a44bd5985bd584701ee1dccdd3ca5a0dc19c6540dd19bfdf350ebb8e4b2dec496a441e837b8dce4908bbc7c0a0f23cffa9f6cd5b065ad8d8c7

Download Submit
memory/2264-6-0x0000000000850000-0x000000000142E000-memory.dmp

Filesize
11.9MB

Download
memory/2264-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2264-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2264-28-0x0000000000850000-0x000000000142E000-memory.dmp

Filesize
11.9MB

Download
memory/2264-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2264-2-0x0000000000850000-0x000000000142E000-memory.dmp

Filesize
11.9MB

Download
memory/2292-32-0x00000000007D0000-0x000000000087E000-memory.dmp

Filesize
696KB

Download
memory/2292-30-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

Download
memory/2292-35-0x0000000000260000-0x000000000028A000-memory.dmp

Filesize
168KB

Download