fatalrat | 73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6

General

Target

73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe
Size

2.5MB
MD5

3ec22a37102f0daae1fe3e90dd401a41
SHA1

bb9e16ebfe7c28be118b2230159cb3455159c3f3
SHA256

73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6
SHA512

25915ee423ce01100012d85cc522a87ebfdb28a1c7fa91ef1aaabc6fd69a85379781b126d5fb91a5ff1a31b93ba3bef9601527f40aedb185fa6b9490acf45852
SSDEEP

49152:vMtAJ0LwABY7WIEVYzzaWwgqWtbl9BSO31pKXEejAvtGxDcBPDIZTTV6+T7uci7I:vwLwoYsVYnaWwgqWtbl9BSO31yEejxAK

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/2240-29-0x0000000000280000-0x00000000002AA000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

pid	Process
2240	gameCore_cef.exe

Loads dropped DLL 3 IoCs

pid	Process
2372	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe
2240	gameCore_cef.exe
2240	gameCore_cef.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AliWangWang\cvsd.xml	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe
File created	C:\Program Files (x86)\AliWangWang\decvsd.xml	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe
File created	C:\Program Files (x86)\AliWangWang\afd.bin	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe
File created	C:\Program Files (x86)\AliWangWang\EasyHook32.dll	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe
File created	C:\Program Files (x86)\AliWangWang\gameCore_cef.exe	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe
File created	C:\Program Files (x86)\AliWangWang\libcef.dll	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2372	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe
2372	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	gameCore_cef.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2372	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2240	2372	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe	28
PID 2372 wrote to memory of 2240	2372	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe	28
PID 2372 wrote to memory of 2240	2372	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe	28
PID 2372 wrote to memory of 2240	2372	73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe	28

C:\Users\Admin\AppData\Local\Temp\73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe
"C:\Users\Admin\AppData\Local\Temp\73c6174b41b66acb8f91e54dad3040dfe361d02a7ac8b04effcfb951263e57f6.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Program Files (x86)\AliWangWang\gameCore_cef.exe
  "C:\Program Files (x86)\AliWangWang\gameCore_cef.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\AliWangWang\afd.bin

Filesize
198KB

MD5
c68f04b5648ffe2e351d2f3831d708e5

SHA1
e21871056c7b767bf357a1f5bc399fe7f1248a92

SHA256
e5153b805563b3d00f7a7796d313f60685cc31b3f883fe47887ade617ca076aa

SHA512
8807b38723f37c9b197a0d9f090c00fdd467ceb26ba810767676f16c29d6248a41ac6b41460a6b4972209ca0da5457622ce6b56205d0d27034bc57b6c5069d7d

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

Filesize
248KB

MD5
69bdd9fc93864f81180e8fd4c6131c5a

SHA1
0c01b83128884edbb739cd817a657fd1f020e0ed

SHA256
debd2581dea4273bfdd74f152ba6d514bd3144886d7571fe543953fc7c64f778

SHA512
f9c55425788b03e654dca168c4e7c66601dc50631f3c6aca970cb981abefb60d12400eabddb13672338c18b248c847fb4a7d46d564446d72673e23a9d2dd07da

Download Submit
\Program Files (x86)\AliWangWang\EasyHook32.dll

Filesize
267KB

MD5
f0cb65b4920ee4c42749f877b0f020b4

SHA1
27f9fedd22fe48736e32d0ea33795bed6aaa5c98

SHA256
a2e50cc29a52d730edf21c1cd539ef6a8cf47a17151731afd7af16c6149d8ea9

SHA512
61b233fa345f3ee7bf6cfe95cdd75e57c035b55b07986cca8b8c412e3c71ebb23db3d449bef8b1764ce61a827cbf4fab3ec8492d832cece86f9253694ae0335e

Download Submit
\Program Files (x86)\AliWangWang\gameCore_cef.exe

Filesize
1.5MB

MD5
7c76fd6958c799bf95b6a04a1be5b1ce

SHA1
7eb983ed895c797ceecbfd610735b3207e0aca00

SHA256
0fc4cd06e025ea530bcf06f3d569798d378076ceeda9260496414604033223ea

SHA512
644f285a9477bd635b4ddce18cac49ccb4dc3256005e1a92746d3c95d41700beee029ce750b4147977324207407294ac75bdf91c7915a7a42650e243c1552b1f

Download Submit
memory/2240-22-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

Download
memory/2240-26-0x00000000774F0000-0x0000000077600000-memory.dmp

Filesize
1.1MB

Download
memory/2240-27-0x0000000002060000-0x00000000020C4000-memory.dmp

Filesize
400KB

Download
memory/2240-28-0x00000000774F0000-0x0000000077600000-memory.dmp

Filesize
1.1MB

Download
memory/2240-29-0x0000000000280000-0x00000000002AA000-memory.dmp

Filesize
168KB

Download

Analysis

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