fatalrat | 24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3

General

Target

24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe
Size

4.5MB
MD5

0b002ffd1ba0c617cfd6f25f75d8432e
SHA1

9a102e169744d9a28e575efecadc53b9d77fb751
SHA256

24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3
SHA512

52236ec4b8d3df89a7c60937c8d886ca05285cd77e639b731075368ef6bf80f973ae978d24123127d3785c8254f718c0556dc6b55be9355c4ac77bfb88f7172b
SSDEEP

49152:9YJMpJc32PMgJjQhGp7fOU3h1hyiTrMIx7Rtpb68N54+97boAXuE+OPnmr7DvjZd:9Og51Mgr/txTbV7+6W

Score

10^/10

fatalrat discovery infostealer rat

Malware Config

Signatures

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

Fatal Rat payload 1 IoCs

rat infostealer

Processes:

resource	yara_rule
behavioral2/memory/2592-40-0x00000000030F0000-0x000000000311A000-memory.dmp	fatalrat

Drops startup file 2 IoCs

Processes:

7QA1o8.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Macromedia-Packages.lnk	7QA1o8.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Macromedia-Packages.lnk	7QA1o8.exe

Executes dropped EXE 2 IoCs

Processes:

7QA1o8.exe7QA1o8.exe

pid	Process
1628	7QA1o8.exe
2592	7QA1o8.exe

Loads dropped DLL 1 IoCs

Processes:

7QA1o8.exe

pid	Process
2592	7QA1o8.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

7QA1o8.exe7QA1o8.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7QA1o8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7QA1o8.exe

Modifies data under HKEY_USERS 9 IoCs

Processes:

cmd.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	cmd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	cmd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	cmd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	cmd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached	cmd.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{00021401-0000-0000-C000-000000000046} {000214E4-0000-0000-C000-000000000046} 0xFFFF = 01000000000000009f208ca61745db01	cmd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	cmd.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\SlowContextMenuEntries = 0114020000000000c0000000000000466e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cmd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	cmd.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe

pid	Process
1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe
1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe
1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe
1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe
1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe
1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7QA1o8.exe

description	pid	Process
Token: SeDebugPrivilege	2592	7QA1o8.exe
Token: SeDebugPrivilege	2592	7QA1o8.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

wordpad.exe7QA1o8.exe

pid	Process
760	wordpad.exe
760	wordpad.exe
760	wordpad.exe
760	wordpad.exe
760	wordpad.exe
2592	7QA1o8.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exewrite.execmd.execmd.exe

description	pid	Process	procid_target
PID 1248 wrote to memory of 5032	1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe	88
PID 1248 wrote to memory of 5032	1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe	88
PID 5032 wrote to memory of 760	5032	write.exe	90
PID 5032 wrote to memory of 760	5032	write.exe	90
PID 3632 wrote to memory of 1628	3632	cmd.exe	91
PID 3632 wrote to memory of 1628	3632	cmd.exe	91
PID 3632 wrote to memory of 1628	3632	cmd.exe	91
PID 1248 wrote to memory of 2668	1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe	96
PID 1248 wrote to memory of 2668	1248	24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe	96
PID 2668 wrote to memory of 2592	2668	cmd.exe	97
PID 2668 wrote to memory of 2592	2668	cmd.exe	97
PID 2668 wrote to memory of 2592	2668	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe
"C:\Users\Admin\AppData\Local\Temp\24b31819e09dd8eaa1c26a08c1a4e7ae55063c7ebb3dbd0273968d13a4f0d0e3.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\System32\write.exe
  "C:\Windows\System32\write.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Program Files\Windows NT\Accessories\wordpad.exe
    "C:\Program Files\Windows NT\Accessories\wordpad.exe"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:760
- C:\Windows\System32\cmd.exe
  cmd /c start "" "C:\ProgramData\7QA1o8\7QA1o8.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\ProgramData\7QA1o8\7QA1o8.exe
    "C:\ProgramData\7QA1o8\7QA1o8.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2592

C:\Windows\system32\cmd.exe
cmd /c start C:\Users\Admin\Desktop\7QA1.lnk
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:3632
- C:\Users\Admin\AppData\Roaming\7QA1o8.exe
  "C:\Users\Admin\AppData\Roaming\7QA1o8.exe" -n C:\Users\Admin\AppData\Roaming\7QA1o.zip -d C:\Users\Admin\AppData\Roaming
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1628

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3376

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\7QA1o8\7QA1o8.exe

Filesize
508KB

MD5
a79a2e0b7f299ab2f80ee8315679baee

SHA1
43d76adbcc19e4c8b60ffba419797a22b756e927

SHA256
0a804e7efe38d6eba358781597205519b936239e9daebcdf2f71c62c6a416f5c

SHA512
f246044eb82e2d4562081b0041ba2109cbda385b335b3bf10d3408acda6ae0c605ab1a522a7f5f363dfd6417e6825ff7d2831d42b8e4440d012fdf33ec605649

Download Submit
C:\ProgramData\7QA1o8\VEDecoder.dll

Filesize
1.6MB

MD5
d6a3fed112ab4e6bfe32cbe220dc225d

SHA1
bb9190ee490c46959e2bc192009f7773222dfa12

SHA256
8d89d4282f514acf2d7ef3ff7a618bbd513a84538ad309f2a48bff77c202bd58

SHA512
043b866e32db62bf8deb4ad9aa896b8274813cf1e6e4e575a3afc595893b5e5265a0430f6a1010c80db955114a0f9d9c3f4e0b3ee47b3323fb2bbcda5b6b7f61

Download Submit
C:\ProgramData\7QA1o8\longlq.cl

Filesize
1.2MB

MD5
6652b3a6e7290de3f12a5f94b9b72b8c

SHA1
4702a4305f14c8437787343de339fa4f0a4b4d75

SHA256
946d9c70c3ae9d8b22530a844547494c60668a6a3b0cf4e25f84f03a0781743e

SHA512
38950c74297de0820ba606680ad74252dc0f8a4c9d46bdb73b903da55ab7b243a4ae7fa6812f026d2b4ec47b8000454e944be587cb788d592ab30d3848b77d34

Download Submit
C:\Users\Admin\AppData\Roaming\7QA1o.zip

Filesize
653B

MD5
7f32474c647a141e742cb0aef28d668c

SHA1
7301000b3c6f501f0b3e935773b8d65c3b72052e

SHA256
ee412d7a920d4730a884ff037d2411567e1b0ac5b8fdaedc0020f9c873b96d6d

SHA512
2fa46d2b7236811a47f696270a2205cabf711448c97b8686ca5197ec1c058344fcd78b312d6952825e032493a27dbe613d9500dae314466a218bbff396da0d4d

Download Submit
C:\Users\Admin\AppData\Roaming\7QA1o8.exe

Filesize
105KB

MD5
6b8ebc942fe392c669b0b21bc8f83a03

SHA1
18fb9645a7365ae17b8386e47bec0b5ba6f5122f

SHA256
e5a35deff01c93f658ab8c4192570ad9ae5ffaa4f5f6d1b4db99f176bf5bdbe7

SHA512
0953d528c5d07b22fa0a969c98d569cf68e58450e1fc0179ddb2068cb4c429d23044a71005fd0daebe7e0c896c5a7598c5329e4c040be9099dfb1e62a2686589

Download Submit
C:\Users\Admin\Desktop\7QA1.lnk

Filesize
948B

MD5
6899e5397561f99b1d829b247a78afe2

SHA1
c44baad5705f4333e754c3be2478c925ad4a3d51

SHA256
99682aa9f15b9a55eaa8f3a82db531f0a46e03a5b1279964aabaea89cc837bef

SHA512
e43372416652e9c0b30ab563321ae04ea18e1b6c1275810db95a235a4c06579939aa8b3383fd5fc3dbea84865698ba8add8f1551e9bf98067fd81341d11d66de

Download Submit
C:\Users\Admin\Desktop\7QA1.lnk

Filesize
1KB

MD5
c667d6e296cf3caaf339438948d185a7

SHA1
754147c2597ca68abe1ee349de766ae47d74b34d

SHA256
e29c92dba399739f47867e0374381bccabdf6184ecb619b258989049a06ade02

SHA512
f1ffc050e5bfddc6d375405132df7df5b810ff61edf8b8d604e96cabd99fdf395095d1a931662addb556ed39336e839c55c0956355a605ae6c21c8dd79600d75

Download Submit
memory/1248-0-0x00000000024C0000-0x00000000028A6000-memory.dmp

Filesize
3.9MB

Download
memory/1248-35-0x0000000000400000-0x0000000000890000-memory.dmp

Filesize
4.6MB

Download
memory/1248-38-0x00000000024C0000-0x00000000028A6000-memory.dmp

Filesize
3.9MB

Download
memory/1628-23-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2592-40-0x00000000030F0000-0x000000000311A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads