tinba | 2b8d701212e8594a64ab3f63ae45063c0c38a1aec57e4b6ba83d4fde7a22b8b0

Analysis

max time kernel
119s
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, 18:01

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General

Target

364a0ba04ad034f61c30179327246c00N.exe
Size

45KB
MD5

364a0ba04ad034f61c30179327246c00
SHA1

be45e358433341fed05f4bdbbf12ed6b76a1f511
SHA256

2b8d701212e8594a64ab3f63ae45063c0c38a1aec57e4b6ba83d4fde7a22b8b0
SHA512

227d98c70fdddd46dbd2355b485513621b3198ca65c25edc18850480b73b960fe323f653098d37e65422e1c1dd7d31c499e76a4d3ab4518314e9f95116c2e64b
SSDEEP

768:YhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:ksWE9N5dFu53dsniQaB/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/2684-0-0x0000000000400000-0x000000000041D000-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\604DF9E4 = "C:\\Users\\Admin\\AppData\\Roaming\\604DF9E4\\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	364a0ba04ad034f61c30179327246c00N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe
2848	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2848	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2848	2684	364a0ba04ad034f61c30179327246c00N.exe	31
PID 2684 wrote to memory of 2848	2684	364a0ba04ad034f61c30179327246c00N.exe	31
PID 2684 wrote to memory of 2848	2684	364a0ba04ad034f61c30179327246c00N.exe	31
PID 2684 wrote to memory of 2848	2684	364a0ba04ad034f61c30179327246c00N.exe	31
PID 2684 wrote to memory of 2848	2684	364a0ba04ad034f61c30179327246c00N.exe	31
PID 2848 wrote to memory of 1204	2848	winver.exe	21
PID 2848 wrote to memory of 1116	2848	winver.exe	19
PID 2848 wrote to memory of 1172	2848	winver.exe	20
PID 2848 wrote to memory of 1204	2848	winver.exe	21
PID 2848 wrote to memory of 944	2848	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\364a0ba04ad034f61c30179327246c00N.exe
  "C:\Users\Admin\AppData\Local\Temp\364a0ba04ad034f61c30179327246c00N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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:2848

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:944

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/944-30-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/944-29-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/944-24-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/1116-26-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1172-28-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077851000-0x0000000077852000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1204-25-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/1204-22-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/2684-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2684-13-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2684-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2684-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2684-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2848-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2848-7-0x0000000077A00000-0x0000000077A01000-memory.dmp

Filesize
4KB

Download
memory/2848-8-0x00000000779FF000-0x0000000077A00000-memory.dmp

Filesize
4KB

Download
memory/2848-9-0x00000000779FF000-0x0000000077A01000-memory.dmp

Filesize
8KB

Download
memory/2848-11-0x0000000077800000-0x00000000779A9000-memory.dmp

Filesize
1.7MB

Download
memory/2848-31-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download