tinba | 46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 12:26

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General

Target

46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046.exe
Size

45KB
MD5

0e3ee76f90651313afc91d7e0f569fc1
SHA1

7a8404ea7233e814676f821e3a082b737f6f06ed
SHA256

46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046
SHA512

fa0c71879cec9556efc16c1d44e10fd972d02fe0de787f7dc48941c1ebe3ebfc48b85794be79a3850b1ea15ec6f7b758fb0bd4e3cf2fbb50275dbd822c9531da
SSDEEP

768:EhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:osWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\4F809BBE = "C:\\Users\\Admin\\AppData\\Roaming\\4F809BBE\\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/3064-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2056	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2056	3064	46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046.exe	31
PID 3064 wrote to memory of 2056	3064	46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046.exe	31
PID 3064 wrote to memory of 2056	3064	46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046.exe	31
PID 3064 wrote to memory of 2056	3064	46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046.exe	31
PID 3064 wrote to memory of 2056	3064	46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046.exe	31
PID 2056 wrote to memory of 1184	2056	winver.exe	21
PID 2056 wrote to memory of 1052	2056	winver.exe	18
PID 2056 wrote to memory of 1120	2056	winver.exe	19
PID 2056 wrote to memory of 1184	2056	winver.exe	21
PID 2056 wrote to memory of 1492	2056	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1120

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046.exe
  "C:\Users\Admin\AppData\Local\Temp\46f871a1538640d330b86d54fc322fdeae856f0cb40b564e2c6bfb171c416046.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - 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:2056

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1492

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/1052-25-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1052-26-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1120-27-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1120-20-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1184-4-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1184-10-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1184-22-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1184-30-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1492-28-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1492-29-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1492-24-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/2056-11-0x0000000077480000-0x0000000077629000-memory.dmp

Filesize
1.7MB

Download
memory/2056-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2056-7-0x0000000077680000-0x0000000077681000-memory.dmp

Filesize
4KB

Download
memory/2056-8-0x000000007767F000-0x0000000077680000-memory.dmp

Filesize
4KB

Download
memory/2056-9-0x000000007767F000-0x0000000077681000-memory.dmp

Filesize
8KB

Download
memory/2056-31-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2056-36-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/3064-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/3064-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3064-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3064-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/3064-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download