tinba | ba2b1567667714ec6291568d2296c71d49c891231cae6819b23d2b26e29b2590

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 00:36

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General

Target

e1633eb8b8a6ac2fe16710d8f7fc3c40N.exe
Size

34KB
MD5

e1633eb8b8a6ac2fe16710d8f7fc3c40
SHA1

92a128058cceb37aac12b6fe29fdf5d88f248d9d
SHA256

ba2b1567667714ec6291568d2296c71d49c891231cae6819b23d2b26e29b2590
SHA512

4faeb8a4bf37853b6d24bcedc0cf19e79d179f2d6aea2b0694cc2f2b42576081e31b253f4d17557996c8214a33e3ab628c1e5dc5d86b4b44bc818f0cb91b26db
SSDEEP

768:qp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:qpYoX58z1uirL98xMWnT0OQ9J2

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/2296-0-0x0000000000400000-0x0000000000417000-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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\873D1CE8 = "C:\\Users\\Admin\\AppData\\Roaming\\873D1CE8\\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	e1633eb8b8a6ac2fe16710d8f7fc3c40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe
2808	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2808	winver.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2808	2296	e1633eb8b8a6ac2fe16710d8f7fc3c40N.exe	32
PID 2296 wrote to memory of 2808	2296	e1633eb8b8a6ac2fe16710d8f7fc3c40N.exe	32
PID 2296 wrote to memory of 2808	2296	e1633eb8b8a6ac2fe16710d8f7fc3c40N.exe	32
PID 2296 wrote to memory of 2808	2296	e1633eb8b8a6ac2fe16710d8f7fc3c40N.exe	32
PID 2296 wrote to memory of 2808	2296	e1633eb8b8a6ac2fe16710d8f7fc3c40N.exe	32
PID 2808 wrote to memory of 1256	2808	winver.exe	21
PID 2808 wrote to memory of 1120	2808	winver.exe	19
PID 2808 wrote to memory of 1196	2808	winver.exe	20
PID 2808 wrote to memory of 1256	2808	winver.exe	21
PID 2808 wrote to memory of 860	2808	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:1196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1256
- C:\Users\Admin\AppData\Local\Temp\e1633eb8b8a6ac2fe16710d8f7fc3c40N.exe
  "C:\Users\Admin\AppData\Local\Temp\e1633eb8b8a6ac2fe16710d8f7fc3c40N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2296
- - 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:2808

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:860

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/860-24-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/860-28-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/860-27-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1120-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1196-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1256-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1256-10-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1256-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1256-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1256-30-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1256-22-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/2296-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2296-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2296-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2296-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2296-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2808-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2808-7-0x0000000077C20000-0x0000000077C21000-memory.dmp

Filesize
4KB

Download
memory/2808-8-0x0000000077C1F000-0x0000000077C20000-memory.dmp

Filesize
4KB

Download
memory/2808-9-0x0000000077C1F000-0x0000000077C21000-memory.dmp

Filesize
8KB

Download
memory/2808-11-0x0000000077A20000-0x0000000077BC9000-memory.dmp

Filesize
1.7MB

Download
memory/2808-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2808-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download