tinba | ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b

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
05-12-2024 08:24

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General

Target

ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b.exe
Size

89KB
MD5

bb1fc05bfb1d216f1a59ad5d1f1fc332
SHA1

ceab0163be9607d3bcea1470e634108a821b9d16
SHA256

ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b
SHA512

698ee34b1275bc200c0cae5a5a1e7be5fcb36d8914ac6b0866d5234db8f90d194dda6f7cf0f737ed4b55911040712db93f1e61dce4790f5ca453be4230bb64ac
SSDEEP

1536:j1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7u:J+4MJIkLZJNAQ9Jo9u

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\827B6C64 = "C:\\Users\\Admin\\AppData\\Roaming\\827B6C64\\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/2656-0-0x0000000000400000-0x0000000000418000-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	ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2488	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2488	2656	ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b.exe	31
PID 2656 wrote to memory of 2488	2656	ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b.exe	31
PID 2656 wrote to memory of 2488	2656	ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b.exe	31
PID 2656 wrote to memory of 2488	2656	ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b.exe	31
PID 2656 wrote to memory of 2488	2656	ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b.exe	31
PID 2488 wrote to memory of 1176	2488	winver.exe	21
PID 2488 wrote to memory of 1072	2488	winver.exe	17
PID 2488 wrote to memory of 1092	2488	winver.exe	19
PID 2488 wrote to memory of 1176	2488	winver.exe	21
PID 2488 wrote to memory of 1824	2488	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1092

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b.exe
  "C:\Users\Admin\AppData\Local\Temp\ea17fa27703fdad33468be39c4417356575c381d3c7236d37186f69005d3aa7b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2656
- - 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:2488

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1824

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/1072-25-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1072-23-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/1092-28-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1092-21-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1092-29-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1092-30-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1176-24-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1176-10-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1176-4-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1176-3-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1176-31-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1176-2-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1824-27-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1824-33-0x00000000774D1000-0x00000000774D2000-memory.dmp

Filesize
4KB

Download
memory/1824-32-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/2488-34-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2488-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2488-7-0x0000000077680000-0x0000000077681000-memory.dmp

Filesize
4KB

Download
memory/2488-8-0x000000007767F000-0x0000000077680000-memory.dmp

Filesize
4KB

Download
memory/2488-9-0x000000007767F000-0x0000000077681000-memory.dmp

Filesize
8KB

Download
memory/2488-11-0x0000000077480000-0x0000000077629000-memory.dmp

Filesize
1.7MB

Download
memory/2656-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2656-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2656-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2656-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2656-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download