tinba | 0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2024 19:35

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General

Target

0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3.exe
Size

34KB
MD5

230ca2e283b50a92d97810d9da4a42fb
SHA1

d71faee7b0acd1f016daa0e53b310ba429ea2108
SHA256

0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3
SHA512

a860ce877a2ae7d76301500112fa525a14ea94438b055eb7c8f2ab54715e00cbe3cf3866c3e5752db6ad3afddab2b52f045e6a7b898fedc6eb89323233bc7bf2
SSDEEP

768:tp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JW:tpYoX58z1uirL98xMWnT0OQ9JW

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\79E6D6E2 = "C:\\Users\\Admin\\AppData\\Roaming\\79E6D6E2\\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/2700-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
772	2000	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	0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2000	winver.exe
2000	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2000	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2000	2700	0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3.exe	84
PID 2700 wrote to memory of 2000	2700	0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3.exe	84
PID 2700 wrote to memory of 2000	2700	0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3.exe	84
PID 2700 wrote to memory of 2000	2700	0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3.exe	84
PID 2000 wrote to memory of 3476	2000	winver.exe	56
PID 2000 wrote to memory of 2896	2000	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2896

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3.exe
  "C:\Users\Admin\AppData\Local\Temp\0d77696439953925e90866121c5d86327211166b6f8b86bc830414fad16ea0e3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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:2000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 356
      4⤵
      Program crash
      PID:772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2000 -ip 2000
1⤵
PID:1880

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/2000-5-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/2000-14-0x0000000002880000-0x0000000002886000-memory.dmp

Filesize
24KB

Download
memory/2000-11-0x0000000002880000-0x0000000002886000-memory.dmp

Filesize
24KB

Download
memory/2000-7-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

Filesize
2.0MB

Download
memory/2700-9-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/2700-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/2700-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2896-13-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3476-6-0x00007FF8DAE2D000-0x00007FF8DAE2E000-memory.dmp

Filesize
4KB

Download
memory/3476-3-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3476-2-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download