tinba | ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 04:37

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General

Target

ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe
Size

34KB
MD5

d38cabfccadcce3d0fc9a4898078926a
SHA1

8f6199ac81c5cb25120b7b1129b1ae79c1582742
SHA256

ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b
SHA512

a7fc54bf4db9aa337d12e74672b1a7b605dfef2f5f510d36bfda1d594db07159263824b889ae6faa708bbe04758b2da638921c2da40108ea15b9fbdde8f281d0
SSDEEP

768:xp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:xpYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\AE6C62EF = "C:\\Users\\Admin\\AppData\\Roaming\\AE6C62EF\\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/2556-0-0x0000000000400000-0x0000000000417000-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	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2096	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2096	2556	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe	31
PID 2556 wrote to memory of 2096	2556	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe	31
PID 2556 wrote to memory of 2096	2556	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe	31
PID 2556 wrote to memory of 2096	2556	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe	31
PID 2556 wrote to memory of 2096	2556	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe	31
PID 2096 wrote to memory of 1192	2096	winver.exe	21
PID 2096 wrote to memory of 1100	2096	winver.exe	19
PID 2096 wrote to memory of 1160	2096	winver.exe	20
PID 2096 wrote to memory of 1192	2096	winver.exe	21

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe
  "C:\Users\Admin\AppData\Local\Temp\ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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:2096

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/1100-23-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1100-22-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1160-24-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1160-19-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1192-21-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1192-25-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/2096-7-0x0000000077420000-0x0000000077421000-memory.dmp

Filesize
4KB

Download
memory/2096-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2096-8-0x000000007741F000-0x0000000077420000-memory.dmp

Filesize
4KB

Download
memory/2096-9-0x000000007741F000-0x0000000077421000-memory.dmp

Filesize
8KB

Download
memory/2096-11-0x0000000077220000-0x00000000773C9000-memory.dmp

Filesize
1.7MB

Download
memory/2096-26-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2096-30-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2556-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2556-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2556-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download