tinba | e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22

Analysis

max time kernel
111s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 04:51

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General

Target

e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22N.exe
Size

110KB
MD5

1be7ad529ccb0baeb973522db6f2e5e0
SHA1

e12c919f71154a44089c156cab3e645e3540c1da
SHA256

e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22
SHA512

f001d04bef10f5765e17a87b696a2ab8d072a187c3e092279534fba15aea0e178ea60d29c4054450e864d79646cd6f95582ba275c4dd22d4f874d1f09555b70f
SSDEEP

1536:yiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:yiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\62A86AB7 = "C:\\Users\\Admin\\AppData\\Roaming\\62A86AB7\\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/396-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4696	5096	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	e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5096	winver.exe
5096	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5096	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 5096	396	e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22N.exe	84
PID 396 wrote to memory of 5096	396	e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22N.exe	84
PID 396 wrote to memory of 5096	396	e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22N.exe	84
PID 396 wrote to memory of 5096	396	e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22N.exe	84
PID 5096 wrote to memory of 3436	5096	winver.exe	56
PID 5096 wrote to memory of 2968	5096	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2968

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22N.exe
  "C:\Users\Admin\AppData\Local\Temp\e584fa5aa332909d78ee9c99dd15c729f446e1e0f7a8bbe4a24b97151bf7cd22N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:396
- - 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:5096
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 352
      4⤵
      Program crash
      PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5096 -ip 5096
1⤵
PID:1840

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/396-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/396-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/396-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/396-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/396-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2968-14-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3436-7-0x00007FFCF390D000-0x00007FFCF390E000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/5096-5-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/5096-8-0x00007FFCF3870000-0x00007FFCF3A65000-memory.dmp

Filesize
2.0MB

Download
memory/5096-6-0x00000000772F2000-0x00000000772F3000-memory.dmp

Filesize
4KB

Download
memory/5096-15-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download