tinba | 099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/09/2024, 20:21

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General

Target

099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe
Size

160KB
MD5

303bf25192a72366070f7ce4564c5920
SHA1

4ea37220b6cf26ab39d89a0d2639fb53f2ea1348
SHA256

099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793
SHA512

3082f2cdd8ec3bbd107e21831be3c75b4f48ba2146c15c68e6d5fe5f1b14508e45aa13302bb2af5e052915ee893f8d18faa9d6ae75175c99023c97f5bb7355c1
SSDEEP

1536:REY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:aY+4MiIkLZJNAQ9J6v

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1848-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\77A9A8A5 = "C:\\Users\\Admin\\AppData\\Roaming\\77A9A8A5\\bin.exe"	winver.exe

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	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2876	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2876	1848	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe	31
PID 1848 wrote to memory of 2876	1848	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe	31
PID 1848 wrote to memory of 2876	1848	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe	31
PID 1848 wrote to memory of 2876	1848	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe	31
PID 1848 wrote to memory of 2876	1848	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe	31
PID 2876 wrote to memory of 1188	2876	winver.exe	21
PID 2876 wrote to memory of 1064	2876	winver.exe	18
PID 2876 wrote to memory of 1164	2876	winver.exe	20
PID 2876 wrote to memory of 1188	2876	winver.exe	21
PID 2876 wrote to memory of 1428	2876	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe
  "C:\Users\Admin\AppData\Local\Temp\099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1848
- - 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:2876

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1428

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/1064-26-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1064-25-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1188-28-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1188-21-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1428-30-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1428-31-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1428-24-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1848-13-0x0000000001C30000-0x0000000002630000-memory.dmp

Filesize
10.0MB

Download
memory/1848-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1848-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1848-5-0x0000000001C30000-0x0000000002630000-memory.dmp

Filesize
10.0MB

Download
memory/1848-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2876-29-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2876-6-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2876-7-0x0000000077BF0000-0x0000000077BF1000-memory.dmp

Filesize
4KB

Download
memory/2876-8-0x0000000077BEF000-0x0000000077BF0000-memory.dmp

Filesize
4KB

Download
memory/2876-9-0x0000000077BEF000-0x0000000077BF1000-memory.dmp

Filesize
8KB

Download
memory/2876-11-0x00000000779F0000-0x0000000077B99000-memory.dmp

Filesize
1.7MB

Download