tinba | 01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424

Analysis

max time kernel
117s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 22:49

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General

Target

01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424N.exe
Size

110KB
MD5

8ea6e3a6bb58694cf338004689fc6880
SHA1

6b48fabb0993d71d9953117246597df8464c0186
SHA256

01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424
SHA512

4498d76e2a22b1b1e6d30b238f761f5d1b48132083dfc7bc31d695185a6305bf8e198053663210710ffcf1d82299d702d80941cc9d7e71de947881a6d2ed8a70
SSDEEP

1536:uiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:uiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\95E6EEEC = "C:\\Users\\Admin\\AppData\\Roaming\\95E6EEEC\\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/4876-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4820	3580	WerFault.exe	83

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	01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3580	winver.exe
3580	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3580	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 3580	4876	01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424N.exe	83
PID 4876 wrote to memory of 3580	4876	01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424N.exe	83
PID 4876 wrote to memory of 3580	4876	01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424N.exe	83
PID 4876 wrote to memory of 3580	4876	01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424N.exe	83
PID 3580 wrote to memory of 3520	3580	winver.exe	56
PID 3580 wrote to memory of 2412	3580	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2412

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424N.exe
  "C:\Users\Admin\AppData\Local\Temp\01f86c877a31c09419709a1d0516d27de4ecee21ae038b2414ec4f7944c2f424N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4876
- - 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:3580
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 352
      4⤵
      Program crash
      PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3580 -ip 3580
1⤵
PID:4524

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

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Downloads

memory/2412-13-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFEE438D000-0x00007FFEE438E000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3580-5-0x0000000077382000-0x0000000077383000-memory.dmp

Filesize
4KB

Download
memory/3580-7-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

Filesize
2.0MB

Download
memory/3580-11-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3580-14-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/4876-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4876-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4876-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4876-9-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4876-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download