tinba | 7054e17c2620f49314df51d82007e3558858d073a43225dd966469122faf8282

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 11:50

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General

Target

c52b08f313a367154a2a644e8705e760N.exe
Size

45KB
MD5

c52b08f313a367154a2a644e8705e760
SHA1

6eaaead1420edc393cf6135989189324b9c84de6
SHA256

7054e17c2620f49314df51d82007e3558858d073a43225dd966469122faf8282
SHA512

478b9dba28e0a2b1455313ec7b46477eae23492896069a8bcd5f5bf937a76ca2b58ad04cf72bc35e9a4736f1fcf31dec813d93e726863777d1091d83e15cd353
SSDEEP

768:MhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:gsWE9N5dFu53dsniQaB/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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2664-0-0x0000000000400000-0x000000000041D000-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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\1E8C4446 = "C:\\Users\\Admin\\AppData\\Roaming\\1E8C4446\\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	c52b08f313a367154a2a644e8705e760N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2720	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2720	2664	c52b08f313a367154a2a644e8705e760N.exe	31
PID 2664 wrote to memory of 2720	2664	c52b08f313a367154a2a644e8705e760N.exe	31
PID 2664 wrote to memory of 2720	2664	c52b08f313a367154a2a644e8705e760N.exe	31
PID 2664 wrote to memory of 2720	2664	c52b08f313a367154a2a644e8705e760N.exe	31
PID 2664 wrote to memory of 2720	2664	c52b08f313a367154a2a644e8705e760N.exe	31
PID 2720 wrote to memory of 1252	2720	winver.exe	21
PID 2720 wrote to memory of 1120	2720	winver.exe	19
PID 2720 wrote to memory of 1192	2720	winver.exe	20
PID 2720 wrote to memory of 1252	2720	winver.exe	21
PID 2720 wrote to memory of 1612	2720	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Users\Admin\AppData\Local\Temp\c52b08f313a367154a2a644e8705e760N.exe
  "C:\Users\Admin\AppData\Local\Temp\c52b08f313a367154a2a644e8705e760N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - 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:2720

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1612

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/1120-26-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1120-27-0x00000000779C1000-0x00000000779C2000-memory.dmp

Filesize
4KB

Download
memory/1192-36-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1192-28-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1192-29-0x00000000779C1000-0x00000000779C2000-memory.dmp

Filesize
4KB

Download
memory/1192-21-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1252-23-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1252-4-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1252-3-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1252-2-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1252-10-0x00000000779C1000-0x00000000779C2000-memory.dmp

Filesize
4KB

Download
memory/1252-30-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1612-31-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1612-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1612-32-0x00000000779C1000-0x00000000779C2000-memory.dmp

Filesize
4KB

Download
memory/2664-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2664-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2664-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2664-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2664-14-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2720-7-0x0000000077B70000-0x0000000077B71000-memory.dmp

Filesize
4KB

Download
memory/2720-9-0x0000000077B6F000-0x0000000077B71000-memory.dmp

Filesize
8KB

Download
memory/2720-11-0x0000000077970000-0x0000000077B19000-memory.dmp

Filesize
1.7MB

Download
memory/2720-8-0x0000000077B6F000-0x0000000077B70000-memory.dmp

Filesize
4KB

Download
memory/2720-33-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2720-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download