tinba | 57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314a

Analysis

max time kernel
110s
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
12/01/2025, 17:16

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General

Target

57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314aN.exe
Size

110KB
MD5

dbdd6a39ec909b6e3fcffce10c474350
SHA1

23254717baebb9a758b54e81af466d952daf5aa0
SHA256

57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314a
SHA512

272717fed15a7e6eeee8ff42c133f0b4e6bd9ea3586f4feeb8be3cba930be029663918f45b64ee8a38b490629cdba7ee0bfd1f917ead3df2d8f316d42e5146c1
SSDEEP

1536:3iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:3iyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8E1B0209 = "C:\\Users\\Admin\\AppData\\Roaming\\8E1B0209\\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/556-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4008	4852	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	57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4852	winver.exe
4852	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4852	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 4852	556	57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314aN.exe	83
PID 556 wrote to memory of 4852	556	57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314aN.exe	83
PID 556 wrote to memory of 4852	556	57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314aN.exe	83
PID 556 wrote to memory of 4852	556	57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314aN.exe	83
PID 4852 wrote to memory of 3356	4852	winver.exe	55
PID 4852 wrote to memory of 2876	4852	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2876

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3356
- C:\Users\Admin\AppData\Local\Temp\57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314aN.exe
  "C:\Users\Admin\AppData\Local\Temp\57c294aca49ca426446032b6b4e926f41d91e1af3a40f6e9e3efe79d8802314aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:556
- - 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:4852
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 352
      4⤵
      Program crash
      PID:4008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4852 -ip 4852
1⤵
PID:1620

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/556-9-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download
memory/556-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/556-4-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download
memory/556-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/556-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2876-13-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3356-2-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3356-3-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3356-6-0x00007FFFEB40D000-0x00007FFFEB40E000-memory.dmp

Filesize
4KB

Download
memory/4852-5-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

Filesize
4KB

Download
memory/4852-7-0x00007FFFEB370000-0x00007FFFEB565000-memory.dmp

Filesize
2.0MB

Download
memory/4852-11-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/4852-14-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download