tinba | de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 01:39

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General

Target

de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe
Size

89KB
MD5

ac5a7993402082d01fd8b06e43930519
SHA1

88c4bdbfaedd4032da912caef6f3ea0035382518
SHA256

de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76
SHA512

47c9bad8403672040f23e7919f24fe1fd1d39e1f90c59de28d01c773e23feb753100cfebdc58002ce8aef3d267c0ed2e23f4a545f2242bfb6664fb222c9df676
SSDEEP

1536:N1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7u:P+4MJIkLZJNAQ9Jo9u

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6CD2D90E = "C:\\Users\\Admin\\AppData\\Roaming\\6CD2D90E\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4048-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1424	212	WerFault.exe	84

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
212	winver.exe
212	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
212	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 212	4048	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe	84
PID 4048 wrote to memory of 212	4048	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe	84
PID 4048 wrote to memory of 212	4048	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe	84
PID 4048 wrote to memory of 212	4048	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe	84
PID 212 wrote to memory of 3568	212	winver.exe	56
PID 212 wrote to memory of 2468	212	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2468

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3568
- C:\Users\Admin\AppData\Local\Temp\de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe
  "C:\Users\Admin\AppData\Local\Temp\de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4048
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:212
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 352
      4⤵
      Program crash
      PID:1424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 212 -ip 212
1⤵
PID:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/212-5-0x0000000077272000-0x0000000077273000-memory.dmp

Filesize
4KB

Download
memory/212-14-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/212-11-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/212-7-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

Filesize
2.0MB

Download
memory/2468-13-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download
memory/3568-3-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download
memory/3568-6-0x00007FFFFF0AD000-0x00007FFFFF0AE000-memory.dmp

Filesize
4KB

Download
memory/3568-2-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download
memory/4048-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/4048-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4048-9-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/4048-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4048-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download