tinba | 0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1

Analysis

max time kernel
116s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2024, 04:46

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General

Target

0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe
Size

110KB
MD5

87806df056ec8b2f8649b5bde1e0cbaa
SHA1

e2882359002da0c0f439bc3c37de755fd93ad4c7
SHA256

0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1
SHA512

3e7ce10f4dde4c17e3a12cfd8823f44f6d5cc70ccea500902dbe47ce7df76352acd987f103076378404b7de3ac5530d4d9d05164dca46016f2f56609eeb90850
SSDEEP

1536:OiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:OiyvRmDLs/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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9E060A6D = "C:\\Users\\Admin\\AppData\\Roaming\\9E060A6D\\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/1668-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2364	3112	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	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3112	winver.exe
3112	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3112	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 3112	1668	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe	84
PID 1668 wrote to memory of 3112	1668	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe	84
PID 1668 wrote to memory of 3112	1668	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe	84
PID 1668 wrote to memory of 3112	1668	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe	84
PID 3112 wrote to memory of 3460	3112	winver.exe	56
PID 3112 wrote to memory of 2884	3112	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2884

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe
  "C:\Users\Admin\AppData\Local\Temp\0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1668
- - 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:3112
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 352
      4⤵
      Program crash
      PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3112 -ip 3112
1⤵
PID:1984

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/1668-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1668-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1668-10-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/1668-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/1668-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2884-14-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/3112-6-0x00000000771B2000-0x00000000771B3000-memory.dmp

Filesize
4KB

Download
memory/3112-5-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/3112-8-0x00007FFF0C430000-0x00007FFF0C625000-memory.dmp

Filesize
2.0MB

Download
memory/3112-15-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/3460-7-0x00007FFF0C4CD000-0x00007FFF0C4CE000-memory.dmp

Filesize
4KB

Download
memory/3460-2-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/3460-3-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download