tinba | b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 17:06

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General

Target

b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27N.exe
Size

45KB
MD5

81a8e7d95a1b6970d216c4be09a9a040
SHA1

99f7437fef39ecf8ee81a5bce7698ef6032e47ce
SHA256

b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27
SHA512

a058ac49968fa561b1a8663a875a885e0984611a4f295129ec7afaf6dd80b60cec3c19ab5807e745b334aa6de2cc77c8c19bc832882c7268d8f7e4be9a02ac15
SSDEEP

768:3hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:RsWE9N5dFu53dsniQaB/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
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\9440EC93 = "C:\\Users\\Admin\\AppData\\Roaming\\9440EC93\\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/1760-0-0x0000000000400000-0x000000000041D000-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	b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3004	winver.exe
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 3004	1760	b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27N.exe	31
PID 1760 wrote to memory of 3004	1760	b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27N.exe	31
PID 1760 wrote to memory of 3004	1760	b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27N.exe	31
PID 1760 wrote to memory of 3004	1760	b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27N.exe	31
PID 1760 wrote to memory of 3004	1760	b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27N.exe	31
PID 3004 wrote to memory of 1284	3004	winver.exe	21
PID 3004 wrote to memory of 1152	3004	winver.exe	19
PID 3004 wrote to memory of 1232	3004	winver.exe	20
PID 3004 wrote to memory of 1284	3004	winver.exe	21
PID 3004 wrote to memory of 1704	3004	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1232

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1284
- C:\Users\Admin\AppData\Local\Temp\b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27N.exe
  "C:\Users\Admin\AppData\Local\Temp\b2ee10938bb2b503dfef01571af663d4d0685fafbd21b87c88b051666e0f6a27N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - 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:3004

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1704

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/1152-27-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1152-28-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1232-30-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1232-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1284-2-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1284-4-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1284-3-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1284-29-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1284-10-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1284-23-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1704-33-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1704-32-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1704-26-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1760-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1760-13-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/1760-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1760-5-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/1760-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3004-11-0x00000000775B0000-0x0000000077759000-memory.dmp

Filesize
1.7MB

Download
memory/3004-9-0x00000000777AF000-0x00000000777B1000-memory.dmp

Filesize
8KB

Download
memory/3004-8-0x00000000777AF000-0x00000000777B0000-memory.dmp

Filesize
4KB

Download
memory/3004-7-0x00000000777B0000-0x00000000777B1000-memory.dmp

Filesize
4KB

Download
memory/3004-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/3004-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download