tinba | f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07ae

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 11:39

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General

Target

f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07aeN.exe
Size

45KB
MD5

66002e4eb241628104287f1392cdb490
SHA1

106905df54ee2e8a63f93970b7dc92ae096ee10b
SHA256

f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07ae
SHA512

a761ad99ed6b14829acab7509c145eeeb5f8ab30a0358c798db5485e7315512b32198102ad83df8c7e40d78acfeb726d890f337d48d4ab13f8a47ba309a01258
SSDEEP

768:nhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:hsWE9N5dFu53dsniQaB/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

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\846E4645 = "C:\\Users\\Admin\\AppData\\Roaming\\846E4645\\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/2216-0-0x0000000000400000-0x000000000041D000-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	f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07aeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2696	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2696	2216	f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07aeN.exe	31
PID 2216 wrote to memory of 2696	2216	f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07aeN.exe	31
PID 2216 wrote to memory of 2696	2216	f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07aeN.exe	31
PID 2216 wrote to memory of 2696	2216	f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07aeN.exe	31
PID 2216 wrote to memory of 2696	2216	f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07aeN.exe	31
PID 2696 wrote to memory of 1188	2696	winver.exe	21
PID 2696 wrote to memory of 1104	2696	winver.exe	19
PID 2696 wrote to memory of 1152	2696	winver.exe	20
PID 2696 wrote to memory of 1188	2696	winver.exe	21
PID 2696 wrote to memory of 1376	2696	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07aeN.exe
  "C:\Users\Admin\AppData\Local\Temp\f5ea71a3a5a423c12e7f9c6df65ac4a9ea1f6552f7e4f93eacf20bb56e5c07aeN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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:2696

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1376

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/1104-25-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1104-26-0x0000000076D81000-0x0000000076D82000-memory.dmp

Filesize
4KB

Download
memory/1152-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1152-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000076D81000-0x0000000076D82000-memory.dmp

Filesize
4KB

Download
memory/1188-3-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1188-31-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1188-21-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1376-24-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1376-29-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1376-30-0x0000000076D81000-0x0000000076D82000-memory.dmp

Filesize
4KB

Download
memory/2216-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2216-13-0x0000000001B90000-0x0000000002590000-memory.dmp

Filesize
10.0MB

Download
memory/2216-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2216-5-0x0000000001B90000-0x0000000002590000-memory.dmp

Filesize
10.0MB

Download
memory/2216-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2696-27-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2696-6-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2696-7-0x0000000076F30000-0x0000000076F31000-memory.dmp

Filesize
4KB

Download
memory/2696-8-0x0000000076F2F000-0x0000000076F30000-memory.dmp

Filesize
4KB

Download
memory/2696-9-0x0000000076F2F000-0x0000000076F31000-memory.dmp

Filesize
8KB

Download
memory/2696-11-0x0000000076D30000-0x0000000076ED9000-memory.dmp

Filesize
1.7MB

Download
memory/2696-36-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download