fatalrat | af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68

Analysis

max time kernel
122s
max time network
148s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
08-12-2023 12:31

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General

Target

af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe
Size

2.5MB
MD5

88fe6af5621d0c427ed3e5409faf627d
SHA1

20bb4297c5d1ed1f558b4e0a1cd1b7d4a0e1c7b1
SHA256

af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68
SHA512

fa91761b3164d5ab77e6453bc0f3574e1893a9b041ae47fc66d7c8d716f290c3c205870e527a989ffe0db9ae4b9d0c16c327a403762ac70d921cb58e8c8bd8c0
SSDEEP

49152:NBK9Ck5MOy8EK0uREiv6yq/cj332WpyeA2NiijZMNs39dvNfsg0O2iy:G95Os0uRH2cb32peLNFjWN4vrp2v

Score

10^/10

fatalrat infostealer rat

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/2800-36-0x00000000003D0000-0x00000000003FA000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

pid	Process
2800	liaobei.exe

Loads dropped DLL 2 IoCs

pid	Process
1768	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe
2800	liaobei.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Funshion\cvsd.xml	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe
File created	C:\Program Files (x86)\Funshion\nw_elf.dll	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe
File created	C:\Program Files (x86)\Funshion\liaobei.exe	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	liaobei.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	liaobei.exe

Suspicious behavior: EnumeratesProcesses 53 IoCs

pid	Process
1768	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe
1768	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe
2800	liaobei.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	liaobei.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1768	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2800	1768	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe	28
PID 1768 wrote to memory of 2800	1768	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe	28
PID 1768 wrote to memory of 2800	1768	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe	28
PID 1768 wrote to memory of 2800	1768	af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe	28

C:\Users\Admin\AppData\Local\Temp\af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe
"C:\Users\Admin\AppData\Local\Temp\af047988b4aac732bb2170d21aeb500c29c73cc1bd8a1464cf14234130b53a68.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Program Files (x86)\Funshion\liaobei.exe
  "C:\Program Files (x86)\Funshion\liaobei.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2800

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\liaobei.exe

Filesize
2.6MB

MD5
91057184eb697259e88dff99a1e957cf

SHA1
0aad25610df49e54b2e6af9f888eff8fb5a99e07

SHA256
149a58359c568d4a5ebb1fee53c5cba1dd63fdc14b165d043fd2a4c5f641ff67

SHA512
e5b27feea207bb7d3d35f8b11b10d64cef7b947fb9aa2612fab6e69bb270c4bfe3f1316d477c7832ecd9f7fd9cb622721e2ee5ee717cef1954ad353221068ffe

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

Filesize
2.6MB

MD5
91057184eb697259e88dff99a1e957cf

SHA1
0aad25610df49e54b2e6af9f888eff8fb5a99e07

SHA256
149a58359c568d4a5ebb1fee53c5cba1dd63fdc14b165d043fd2a4c5f641ff67

SHA512
e5b27feea207bb7d3d35f8b11b10d64cef7b947fb9aa2612fab6e69bb270c4bfe3f1316d477c7832ecd9f7fd9cb622721e2ee5ee717cef1954ad353221068ffe

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

Filesize
34KB

MD5
4c053083091bd4a335268290136f2dec

SHA1
f31b461e175ab67592e78ea9ce88054947dde8cf

SHA256
3f0712d0a5840926ec5553bfd8bd9bf5ddcb176792f78a3fcd00349bb81e7411

SHA512
ea5cb93a1c0a17cf98fa0dd7577170b47ab7b79549279cc48dfe0d3763a40612a5d6f7f3fdcc4c657ce068cf5356aea317d1c8be5893c565b5d5b392b3967e12

Download Submit
C:\ProgramData\afd.bin

Filesize
198KB

MD5
c4f9304f6c3537702cefc51af4cce151

SHA1
5b8215e1e37f570b1af734add3f5d11c17368243

SHA256
5fcaa5b158594c2f156cdea6942c6ecd834f53d870af630824e0127594c0ecd3

SHA512
4c12067c87ff0565d5dbd17ddc1231d11a30691cab2493be24b16f802fdb9213e4f7346335566feb740c11ab3961aefaa6b43487a8f559aa2f5baf40633b97bf

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

Filesize
2.6MB

MD5
91057184eb697259e88dff99a1e957cf

SHA1
0aad25610df49e54b2e6af9f888eff8fb5a99e07

SHA256
149a58359c568d4a5ebb1fee53c5cba1dd63fdc14b165d043fd2a4c5f641ff67

SHA512
e5b27feea207bb7d3d35f8b11b10d64cef7b947fb9aa2612fab6e69bb270c4bfe3f1316d477c7832ecd9f7fd9cb622721e2ee5ee717cef1954ad353221068ffe

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

Filesize
34KB

MD5
4c053083091bd4a335268290136f2dec

SHA1
f31b461e175ab67592e78ea9ce88054947dde8cf

SHA256
3f0712d0a5840926ec5553bfd8bd9bf5ddcb176792f78a3fcd00349bb81e7411

SHA512
ea5cb93a1c0a17cf98fa0dd7577170b47ab7b79549279cc48dfe0d3763a40612a5d6f7f3fdcc4c657ce068cf5356aea317d1c8be5893c565b5d5b392b3967e12

Download Submit
memory/1768-5-0x00000000002D0000-0x00000000002DC000-memory.dmp

Filesize
48KB

Download
memory/1768-3-0x00000000002C0000-0x00000000002D0000-memory.dmp

Filesize
64KB

Download
memory/1768-9-0x0000000000400000-0x0000000000A4F000-memory.dmp

Filesize
6.3MB

Download
memory/1768-11-0x0000000000400000-0x0000000000A4F000-memory.dmp

Filesize
6.3MB

Download
memory/1768-13-0x0000000000400000-0x0000000000A4F000-memory.dmp

Filesize
6.3MB

Download
memory/1768-19-0x0000000000400000-0x0000000000A4F000-memory.dmp

Filesize
6.3MB

Download
memory/1768-7-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1768-0-0x0000000000400000-0x0000000000A4F000-memory.dmp

Filesize
6.3MB

Download
memory/1768-4-0x0000000000400000-0x0000000000A4F000-memory.dmp

Filesize
6.3MB

Download
memory/1768-6-0x0000000000400000-0x0000000000A4F000-memory.dmp

Filesize
6.3MB

Download
memory/1768-28-0x0000000000240000-0x000000000028A000-memory.dmp

Filesize
296KB

Download
memory/1768-29-0x0000000000400000-0x0000000000A4F000-memory.dmp

Filesize
6.3MB

Download
memory/1768-1-0x0000000000240000-0x000000000028A000-memory.dmp

Filesize
296KB

Download
memory/1768-2-0x0000000000240000-0x000000000028A000-memory.dmp

Filesize
296KB

Download
memory/2800-33-0x0000000001E50000-0x0000000001EFE000-memory.dmp

Filesize
696KB

Download
memory/2800-36-0x00000000003D0000-0x00000000003FA000-memory.dmp

Filesize
168KB

Download
memory/2800-31-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

Download