tinba | cc852d8bb2db8390df6adf53176e1df895d9cb30ffd1d37617fc4da8c6d62c8a

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 02:41

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General

Target

1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe
Size

34KB
MD5

7a5d58c62db0aeef2b0a794c409800ca
SHA1

3e1a245c7814e5dafe330f765377c50bdb902095
SHA256

1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74
SHA512

9462172c86efee5cd8a1aa1b061d47d4462f6dd1fd965f04c24a6f0730396c0a74283f07a5505789cb586567cca4380d5cf3ee9d07699f6b9191d70330586bee
SSDEEP

768:Ap22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ApYoX58z1uirL98xMWnT0OQ9J2

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/2196-0-0x0000000000400000-0x0000000000417000-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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\B90C55BE = "C:\\Users\\Admin\\AppData\\Roaming\\B90C55BE\\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	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2700	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2700	2196	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe	31
PID 2196 wrote to memory of 2700	2196	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe	31
PID 2196 wrote to memory of 2700	2196	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe	31
PID 2196 wrote to memory of 2700	2196	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe	31
PID 2196 wrote to memory of 2700	2196	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe	31
PID 2700 wrote to memory of 1204	2700	winver.exe	21
PID 2700 wrote to memory of 1112	2700	winver.exe	19
PID 2700 wrote to memory of 1168	2700	winver.exe	20
PID 2700 wrote to memory of 1204	2700	winver.exe	21
PID 2700 wrote to memory of 872	2700	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe
  "C:\Users\Admin\AppData\Local\Temp\1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:2700

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:872

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/872-30-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/872-27-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/872-29-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/1112-19-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1112-32-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1112-21-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1168-28-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1168-23-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1204-31-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1204-25-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/2196-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2196-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2196-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2196-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2196-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2700-11-0x0000000077200000-0x00000000773A9000-memory.dmp

Filesize
1.7MB

Download
memory/2700-9-0x00000000773FF000-0x0000000077401000-memory.dmp

Filesize
8KB

Download
memory/2700-8-0x00000000773FF000-0x0000000077400000-memory.dmp

Filesize
4KB

Download
memory/2700-7-0x0000000077400000-0x0000000077401000-memory.dmp

Filesize
4KB

Download
memory/2700-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2700-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download