fatalrat | 60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12

General

Target

60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe
Size

445KB
MD5

2eaa973156357628d59acfc550f9f550
SHA1

191afca726c49a5666f2a29ab44b9c3d5c8c6246
SHA256

60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12
SHA512

2565e8618e22b93f56ff4b7ac70d5a8517a4ddf606f93cc2b41031aee96756a662d905189f2782d7eaabd60638ff515d82d2cfb3e4802a3c45cd5648d3e2de82
SSDEEP

1536:qKQ+11vu5ywVmbUM9lU4MHZLYT3cyav6eIePL2NJQV6kY4+85qBRmSIDzZsqmUbO:qKlX1jbxX+8czIWL2nk6kY9BRJGTtmt

Score

10^/10

fatalrat gh0strat infostealer rat upx

Malware Config

Extracted

Family

gh0strat

C2

182.43.76.21

Signatures

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

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4860-3-0x0000000010000000-0x000000001002B000-memory.dmp	family_gh0strat
behavioral2/memory/4860-18-0x0000000010000000-0x000000001002B000-memory.dmp	family_gh0strat
behavioral2/memory/992-21-0x0000000010000000-0x000000001002B000-memory.dmp	family_gh0strat
behavioral2/memory/992-25-0x0000000010000000-0x000000001002B000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Fatal Rat payload 4 IoCs

rat infostealer

resource	yara_rule
behavioral2/memory/4860-3-0x0000000010000000-0x000000001002B000-memory.dmp	fatalrat
behavioral2/memory/4860-18-0x0000000010000000-0x000000001002B000-memory.dmp	fatalrat
behavioral2/memory/992-21-0x0000000010000000-0x000000001002B000-memory.dmp	fatalrat
behavioral2/memory/992-25-0x0000000010000000-0x000000001002B000-memory.dmp	fatalrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe

Executes dropped EXE 1 IoCs

pid	Process
992	60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4860-0-0x0000000000400000-0x0000000000427200-memory.dmp	upx
behavioral2/memory/4860-1-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral2/memory/4860-3-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral2/files/0x00080000000231ae-10.dat	upx
behavioral2/files/0x00080000000231ae-15.dat	upx
behavioral2/memory/4860-14-0x0000000000400000-0x0000000000427200-memory.dmp	upx
behavioral2/files/0x00080000000231ae-13.dat	upx
behavioral2/memory/4860-18-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral2/memory/992-16-0x0000000000400000-0x0000000000427200-memory.dmp	upx
behavioral2/memory/992-21-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral2/memory/992-23-0x0000000000400000-0x0000000000427200-memory.dmp	upx
behavioral2/memory/992-25-0x0000000010000000-0x000000001002B000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4860	60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe
Token: SeDebugPrivilege	992	60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 992	4860	60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe	86
PID 4860 wrote to memory of 992	4860	60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe	86
PID 4860 wrote to memory of 992	4860	60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe	86

C:\Users\Admin\AppData\Local\Temp\60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe
"C:\Users\Admin\AppData\Local\Temp\60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Users\Admin\AppData\Local\60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe
  "C:\Users\Admin\AppData\Local\60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe

Filesize
445KB

MD5
2eaa973156357628d59acfc550f9f550

SHA1
191afca726c49a5666f2a29ab44b9c3d5c8c6246

SHA256
60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12

SHA512
2565e8618e22b93f56ff4b7ac70d5a8517a4ddf606f93cc2b41031aee96756a662d905189f2782d7eaabd60638ff515d82d2cfb3e4802a3c45cd5648d3e2de82

Download Submit
C:\Users\Admin\AppData\Local\60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe

Filesize
445KB

MD5
2eaa973156357628d59acfc550f9f550

SHA1
191afca726c49a5666f2a29ab44b9c3d5c8c6246

SHA256
60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12

SHA512
2565e8618e22b93f56ff4b7ac70d5a8517a4ddf606f93cc2b41031aee96756a662d905189f2782d7eaabd60638ff515d82d2cfb3e4802a3c45cd5648d3e2de82

Download Submit
C:\Users\Admin\AppData\Local\60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12.exe

Filesize
445KB

MD5
2eaa973156357628d59acfc550f9f550

SHA1
191afca726c49a5666f2a29ab44b9c3d5c8c6246

SHA256
60bc990b3a74ed7ee10a303e5319e4fc01d2e788fda90b490d31c007de549f12

SHA512
2565e8618e22b93f56ff4b7ac70d5a8517a4ddf606f93cc2b41031aee96756a662d905189f2782d7eaabd60638ff515d82d2cfb3e4802a3c45cd5648d3e2de82

Download Submit
memory/992-16-0x0000000000400000-0x0000000000427200-memory.dmp

Filesize
156KB

Download
memory/992-21-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/992-23-0x0000000000400000-0x0000000000427200-memory.dmp

Filesize
156KB

Download
memory/992-25-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/4860-0-0x0000000000400000-0x0000000000427200-memory.dmp

Filesize
156KB

Download
memory/4860-1-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/4860-3-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/4860-14-0x0000000000400000-0x0000000000427200-memory.dmp

Filesize
156KB

Download
memory/4860-18-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download

Analysis

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