tinba | 3ec8b57ea87348685214291f02db95e233f14e8591e2202012beaef2456bacf9

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 16:27

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General

Target

223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe
Size

110KB
MD5

b471d5f706df69a4a28664d7e335a9da
SHA1

995a757d4562d9f4e8231f359b4b78db2de1c1f0
SHA256

223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81
SHA512

2bfeba6b8aec4caafd508644f08d3a70de469485c0c4e5220c231f024b5b48c9058896bdb55d5faccda6fad51402b6c10ffdbe8cc0612bebad81cd214c8238c3
SSDEEP

1536:JiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:JiyvRmDLs/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

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\2BEE4762 = "C:\\Users\\Admin\\AppData\\Roaming\\2BEE4762\\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/1724-0-0x0000000000400000-0x000000000041E000-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	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2892	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2892	1724	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe	31
PID 1724 wrote to memory of 2892	1724	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe	31
PID 1724 wrote to memory of 2892	1724	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe	31
PID 1724 wrote to memory of 2892	1724	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe	31
PID 1724 wrote to memory of 2892	1724	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe	31
PID 2892 wrote to memory of 1196	2892	winver.exe	21
PID 2892 wrote to memory of 1112	2892	winver.exe	19
PID 2892 wrote to memory of 1164	2892	winver.exe	20
PID 2892 wrote to memory of 1196	2892	winver.exe	21
PID 2892 wrote to memory of 852	2892	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe
  "C:\Users\Admin\AppData\Local\Temp\223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1724
- - 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:2892

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:852

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/852-33-0x0000000001FA0000-0x0000000001FA6000-memory.dmp

Filesize
24KB

Download
memory/852-29-0x0000000076D01000-0x0000000076D02000-memory.dmp

Filesize
4KB

Download
memory/852-26-0x0000000001FA0000-0x0000000001FA6000-memory.dmp

Filesize
24KB

Download
memory/1112-30-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1112-25-0x0000000076D01000-0x0000000076D02000-memory.dmp

Filesize
4KB

Download
memory/1164-28-0x0000000076D01000-0x0000000076D02000-memory.dmp

Filesize
4KB

Download
memory/1164-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000076D01000-0x0000000076D02000-memory.dmp

Filesize
4KB

Download
memory/1196-10-0x0000000076D01000-0x0000000076D02000-memory.dmp

Filesize
4KB

Download
memory/1196-4-0x0000000003C20000-0x0000000003C26000-memory.dmp

Filesize
24KB

Download
memory/1196-32-0x0000000003A90000-0x0000000003A96000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000003C20000-0x0000000003C26000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000003C20000-0x0000000003C26000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x0000000003A90000-0x0000000003A96000-memory.dmp

Filesize
24KB

Download
memory/1724-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1724-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1724-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1724-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1724-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2892-7-0x0000000076EB0000-0x0000000076EB1000-memory.dmp

Filesize
4KB

Download
memory/2892-8-0x0000000076EAF000-0x0000000076EB0000-memory.dmp

Filesize
4KB

Download
memory/2892-9-0x0000000076EAF000-0x0000000076EB1000-memory.dmp

Filesize
8KB

Download
memory/2892-11-0x0000000076CB0000-0x0000000076E59000-memory.dmp

Filesize
1.7MB

Download
memory/2892-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2892-34-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2892-39-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download