tinba | 3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20-02-2025 22:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe
Size

110KB
MD5

3db89573b8a236edf3151a8984ba96d6
SHA1

511e60ecbfe344b31382d96a1b0433df7e68a4d6
SHA256

3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd
SHA512

d6099313863f517d1f5abeda32357e436f265b2922e3a84458265d57c72c9b9ba6a67bf6f6dd02d8614e1d58dc6996d99126696abd5404e4cc778e467ca784e0
SSDEEP

1536:EiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:EiyvRmDLs/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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\8D1C7500 = "C:\\Users\\Admin\\AppData\\Roaming\\8D1C7500\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2852-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2636	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2636	2852	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe	31
PID 2852 wrote to memory of 2636	2852	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe	31
PID 2852 wrote to memory of 2636	2852	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe	31
PID 2852 wrote to memory of 2636	2852	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe	31
PID 2852 wrote to memory of 2636	2852	3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe	31
PID 2636 wrote to memory of 1248	2636	winver.exe	21
PID 2636 wrote to memory of 1088	2636	winver.exe	19
PID 2636 wrote to memory of 1160	2636	winver.exe	20
PID 2636 wrote to memory of 1248	2636	winver.exe	21

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- C:\Users\Admin\AppData\Local\Temp\3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe
  "C:\Users\Admin\AppData\Local\Temp\3ffbbab42ac99dae042cd852858fffc9f2a7224b6324175ccff3e87dc17aa4fd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2852
- - 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:2636

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

Loading Replay Monitor...

Downloads

memory/1088-24-0x0000000077241000-0x0000000077242000-memory.dmp

Filesize
4KB

Download
memory/1088-22-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1160-26-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1248-2-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1248-3-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1248-4-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1248-25-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1248-23-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1248-10-0x0000000077241000-0x0000000077242000-memory.dmp

Filesize
4KB

Download
memory/2636-9-0x00000000773EF000-0x00000000773F1000-memory.dmp

Filesize
8KB

Download
memory/2636-8-0x00000000773EF000-0x00000000773F0000-memory.dmp

Filesize
4KB

Download
memory/2636-11-0x00000000771F0000-0x0000000077399000-memory.dmp

Filesize
1.7MB

Download
memory/2636-7-0x00000000773F0000-0x00000000773F1000-memory.dmp

Filesize
4KB

Download
memory/2636-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2636-27-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2636-31-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2852-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2852-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2852-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2852-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2852-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download