tinba | 840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87

Analysis

max time kernel
105s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 02:20

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General

Target

840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe
Size

110KB
MD5

c352c69f55318bdb2a72c0e42ef3c219
SHA1

41de413fb7f21c0f332cc43e045fd23a2ace0b69
SHA256

840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87
SHA512

f4182e079ccb127af33cb6c18317b14e5761d59b2cdd170280a187ed4167a212462669c059e6341e388342af788a6687044d2dd8d307dda397917ddd5f3d100e
SSDEEP

1536:hiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:hiyvRmDLs/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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0FF28DDD = "C:\\Users\\Admin\\AppData\\Roaming\\0FF28DDD\\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/540-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4816	3184	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	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3184	winver.exe
3184	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3184	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 3184	540	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe	84
PID 540 wrote to memory of 3184	540	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe	84
PID 540 wrote to memory of 3184	540	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe	84
PID 540 wrote to memory of 3184	540	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe	84
PID 3184 wrote to memory of 3484	3184	winver.exe	56
PID 3184 wrote to memory of 2532	3184	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2532

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3484
- C:\Users\Admin\AppData\Local\Temp\840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe
  "C:\Users\Admin\AppData\Local\Temp\840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:540
- - 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:3184
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 352
      4⤵
      Program crash
      PID:4816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3184 -ip 3184
1⤵
PID:3396

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/540-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/540-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/540-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/540-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/540-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2532-13-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/3184-5-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/3184-7-0x00007FFE77CD0000-0x00007FFE77EC5000-memory.dmp

Filesize
2.0MB

Download
memory/3184-11-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/3184-14-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/3484-6-0x00007FFE77D6D000-0x00007FFE77D6E000-memory.dmp

Filesize
4KB

Download
memory/3484-2-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/3484-3-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download