tinba | a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/11/2024, 22:04

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General

Target

a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe
Size

45KB
MD5

8fcedbb47a3fde51a940b88ce63c58b0
SHA1

63b0aeb2dbc86a2d9ac2e7f30edbd3a2c3fc5678
SHA256

a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11
SHA512

a1a95e9da1bd016afcb6b981dd9dde28ba80238eafc4d6c19c07e1505e920321756e57c9b845de91070009c715b46ab793ded0993ce71df6fb1af74b6105a914
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:3sWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\0A5B1A44 = "C:\\Users\\Admin\\AppData\\Roaming\\0A5B1A44\\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/2680-0-0x0000000000400000-0x000000000041D000-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	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2808	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2808	2680	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe	31
PID 2680 wrote to memory of 2808	2680	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe	31
PID 2680 wrote to memory of 2808	2680	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe	31
PID 2680 wrote to memory of 2808	2680	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe	31
PID 2680 wrote to memory of 2808	2680	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe	31
PID 2808 wrote to memory of 1200	2808	winver.exe	21
PID 2808 wrote to memory of 1100	2808	winver.exe	18
PID 2808 wrote to memory of 1108	2808	winver.exe	19
PID 2808 wrote to memory of 1200	2808	winver.exe	21
PID 2808 wrote to memory of 2044	2808	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1100

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe
  "C:\Users\Admin\AppData\Local\Temp\a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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:2808

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2044

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/1100-36-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1108-26-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1108-20-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000076D41000-0x0000000076D42000-memory.dmp

Filesize
4KB

Download
memory/1200-4-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000076D41000-0x0000000076D42000-memory.dmp

Filesize
4KB

Download
memory/1200-30-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/2044-31-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2044-25-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2044-32-0x0000000076D41000-0x0000000076D42000-memory.dmp

Filesize
4KB

Download
memory/2680-5-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2680-13-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2680-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2680-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2680-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2808-11-0x0000000076CF0000-0x0000000076E99000-memory.dmp

Filesize
1.7MB

Download
memory/2808-29-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2808-8-0x0000000076EEF000-0x0000000076EF0000-memory.dmp

Filesize
4KB

Download
memory/2808-9-0x0000000076EEF000-0x0000000076EF1000-memory.dmp

Filesize
8KB

Download
memory/2808-7-0x0000000076EF0000-0x0000000076EF1000-memory.dmp

Filesize
4KB

Download
memory/2808-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download