bitrat | 8c05da461e90984671ffd87f0e4e28e057cca4d32a0569764dcdcce2d545fac2

Analysis

max time kernel
68s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 14:31

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General

Target

75bff99becc32bcbe56efbe7a75f4d45.exe
Size

7.0MB
MD5

75bff99becc32bcbe56efbe7a75f4d45
SHA1

81bfcc77809161a5254a27d3d4d30548c96fcd5b
SHA256

8c05da461e90984671ffd87f0e4e28e057cca4d32a0569764dcdcce2d545fac2
SHA512

940af628585713a16e685eb5251c0b954bc014460cd4ca33226df2ef260f32af56223eaf1c341862fdf1669c6bafb6e7d9c5efbeb5e437ce5e2fd9905beece69
SSDEEP

49152:uW/1GYdVTXN3r3+LXDIDAKpvuh3jwLN6/VNUKIdI9OiKuDbD2yvAkdm5wrgWX+5z:hXkZL/p

Score

10^/10

bitrat zgrat persistence rat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

obqdy2u226qjiavs42z4z6zgcf6tefsoxaqzjvohmoy7kafdwgqgjkqd.onion:80

Attributes

communication_password
d93b4f1ee6f5b875a4f7fcef966bd09a
tor_process
WinSock

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/3964-8-0x00000000050E0000-0x0000000005162000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-18-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-34-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-50-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-66-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-72-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-70-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-68-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-64-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-62-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-60-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-58-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-56-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-54-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-52-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-48-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-46-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-44-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-42-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-40-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-38-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-36-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-32-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-30-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-28-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-26-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-24-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-22-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-20-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-16-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-14-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-12-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-10-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3964-9-0x00000000050E0000-0x000000000515C000-memory.dmp	family_zgrat_v1

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\","	75bff99becc32bcbe56efbe7a75f4d45.exe

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000600000002331f-2462.dat	acprotect
behavioral2/files/0x000600000002331e-2461.dat	acprotect

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000023324-2457.dat	upx
behavioral2/files/0x0006000000023324-2460.dat	upx
behavioral2/memory/1008-2476-0x0000000073B10000-0x0000000073B59000-memory.dmp	upx
behavioral2/memory/1008-2489-0x00000000735A0000-0x000000007386F000-memory.dmp	upx
behavioral2/memory/1008-2488-0x0000000073B60000-0x0000000073C28000-memory.dmp	upx
behavioral2/memory/1008-2482-0x0000000073870000-0x00000000738F8000-memory.dmp	upx
behavioral2/memory/1008-2481-0x0000000073900000-0x0000000073A0A000-memory.dmp	upx
behavioral2/memory/1008-2480-0x0000000073A10000-0x0000000073A34000-memory.dmp	upx
behavioral2/memory/1008-2479-0x0000000073A40000-0x0000000073B0E000-memory.dmp	upx
behavioral2/memory/1008-2472-0x0000000000FF0000-0x00000000013F4000-memory.dmp	upx
behavioral2/files/0x000600000002331f-2462.dat	upx
behavioral2/files/0x000600000002331e-2461.dat	upx
behavioral2/memory/1008-2507-0x0000000073B10000-0x0000000073B59000-memory.dmp	upx
behavioral2/memory/1008-2506-0x0000000000FF0000-0x00000000013F4000-memory.dmp	upx
behavioral2/memory/1008-2508-0x0000000073A40000-0x0000000073B0E000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3076	75bff99becc32bcbe56efbe7a75f4d45.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3964 set thread context of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3964	75bff99becc32bcbe56efbe7a75f4d45.exe
3964	75bff99becc32bcbe56efbe7a75f4d45.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3964	75bff99becc32bcbe56efbe7a75f4d45.exe
Token: SeShutdownPrivilege	3076	75bff99becc32bcbe56efbe7a75f4d45.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101
PID 3964 wrote to memory of 3076	3964	75bff99becc32bcbe56efbe7a75f4d45.exe	101

C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
"C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3964
- C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
  C:\Users\Admin\AppData\Local\Temp\75bff99becc32bcbe56efbe7a75f4d45.exe
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  PID:3076
- - C:\Users\Admin\AppData\Local\d4f7be4f\tor\WinSock.exe
    "C:\Users\Admin\AppData\Local\d4f7be4f\tor\WinSock.exe" -f torrc
    3⤵
    PID:1008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\d4f7be4f\tor\WinSock.exe

Filesize
381KB

MD5
0e446396fd3c299b95b794aec2077117

SHA1
bb28a267c961f1622b7fa1e04d1df18ca1ee972b

SHA256
58352b3b696cd3a07bedaff56a48b5db22e5c422e322afc618cd1639d60a9b78

SHA512
00da19eca34be929df372a6fde4ca30754ecb564e073f31cc5b84d338709d9924648e024c746a5503e24d5b981f09e9e7c216f7d82a2d008c9dec94b197238cf

Download Submit
C:\Users\Admin\AppData\Local\d4f7be4f\tor\WinSock.exe

Filesize
92KB

MD5
d419208b068da7a37fe174a4263ad261

SHA1
5b63a0702f776badf7a537d45cd70587e63cc371

SHA256
76bb4127b93115d6602a34de34e1f43dd22777ea86f6bc6ed0b4f344f1592d54

SHA512
ca5581b9789be8d7f05f23985cbcdd1d40b8395056cfab70db4efbb856096df80a2e067bbb7cb895a9cadd000838f53c9495fe942db7c32e801734ee26ff47fb

Download Submit
C:\Users\Admin\AppData\Local\d4f7be4f\tor\data\cached-microdesc-consensus.tmp

Filesize
1.4MB

MD5
48e5c7eb975dee05f7b3b773d7d1240c

SHA1
37d46708c4b7294ee03448c28b115efa28bc74ae

SHA256
b920b3807ccbc52da87de3e8b9acd37d7a5ff265f3e55029dfabbb9307db8eba

SHA512
c22806fe31225e52cccf9eab984ce9ea5a5d50fda5def9a1a74acaa4659fed2e4b3b361d9810b96dc8a0eec42a5ce7fdb5d8a5bfc49c94069a3b4554ca690846

Download Submit
C:\Users\Admin\AppData\Local\d4f7be4f\tor\libcrypto-1_1.dll

Filesize
92KB

MD5
0e959da0ee1d91809cff6a912bea97c0

SHA1
d055e9390d1dfcda415b3dee872d2e9e24728e48

SHA256
d355fdfd092ce8cf54554630c912564f2116db71a44bc3c7533dc112bea75f38

SHA512
e4ce340c1a5fb24396b0d761b6adfc31dbd0d3b6eb62cf3060ed2a327a57ae15bf0de7761a4a7b62c4b699468c8fba1041f06775412afe0a0dec67da27ecd016

Download Submit
memory/1008-2479-0x0000000073A40000-0x0000000073B0E000-memory.dmp

Filesize
824KB

Download
memory/1008-2481-0x0000000073900000-0x0000000073A0A000-memory.dmp

Filesize
1.0MB

Download
memory/1008-2508-0x0000000073A40000-0x0000000073B0E000-memory.dmp

Filesize
824KB

Download
memory/1008-2476-0x0000000073B10000-0x0000000073B59000-memory.dmp

Filesize
292KB

Download
memory/1008-2506-0x0000000000FF0000-0x00000000013F4000-memory.dmp

Filesize
4.0MB

Download
memory/1008-2509-0x0000000000690000-0x0000000000718000-memory.dmp

Filesize
544KB

Download
memory/1008-2472-0x0000000000FF0000-0x00000000013F4000-memory.dmp

Filesize
4.0MB

Download
memory/1008-2484-0x0000000000690000-0x0000000000718000-memory.dmp

Filesize
544KB

Download
memory/1008-2480-0x0000000073A10000-0x0000000073A34000-memory.dmp

Filesize
144KB

Download
memory/1008-2507-0x0000000073B10000-0x0000000073B59000-memory.dmp

Filesize
292KB

Download
memory/1008-2482-0x0000000073870000-0x00000000738F8000-memory.dmp

Filesize
544KB

Download
memory/1008-2487-0x0000000001400000-0x00000000016CF000-memory.dmp

Filesize
2.8MB

Download
memory/1008-2488-0x0000000073B60000-0x0000000073C28000-memory.dmp

Filesize
800KB

Download
memory/1008-2489-0x00000000735A0000-0x000000007386F000-memory.dmp

Filesize
2.8MB

Download
memory/3076-2442-0x0000000000400000-0x0000000000BD8000-memory.dmp

Filesize
7.8MB

Download
memory/3076-2496-0x0000000073190000-0x00000000731C9000-memory.dmp

Filesize
228KB

Download
memory/3076-2505-0x0000000000400000-0x0000000000BD8000-memory.dmp

Filesize
7.8MB

Download
memory/3076-2534-0x0000000074340000-0x0000000074379000-memory.dmp

Filesize
228KB

Download
memory/3076-2444-0x0000000074780000-0x00000000747B9000-memory.dmp

Filesize
228KB

Download
memory/3964-62-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-48-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-44-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-42-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-40-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-38-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-36-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-32-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-30-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-28-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-26-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-24-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-22-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-20-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-16-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-14-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-12-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-10-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-9-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-2441-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3964-293-0x0000000005870000-0x0000000005880000-memory.dmp

Filesize
64KB

Download
memory/3964-46-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-52-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-54-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-56-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-58-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-60-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-0-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3964-64-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-68-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-70-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-72-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-66-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-50-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-34-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-18-0x00000000050E0000-0x000000000515C000-memory.dmp

Filesize
496KB

Download
memory/3964-8-0x00000000050E0000-0x0000000005162000-memory.dmp

Filesize
520KB

Download
memory/3964-7-0x0000000007E70000-0x0000000008390000-memory.dmp

Filesize
5.1MB

Download
memory/3964-6-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3964-5-0x0000000005700000-0x000000000570A000-memory.dmp

Filesize
40KB

Download
memory/3964-4-0x0000000005870000-0x0000000005880000-memory.dmp

Filesize
64KB

Download
memory/3964-1-0x0000000000560000-0x0000000000C68000-memory.dmp

Filesize
7.0MB

Download
memory/3964-3-0x0000000005660000-0x00000000056F2000-memory.dmp

Filesize
584KB

Download
memory/3964-2-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download