tinba | 914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 14:52

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General

Target

914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe
Size

49KB
MD5

c9c78c82acbd692327ecba6d58a2b910
SHA1

66298355bfa817b7a5994103ddd6ebc23dba3e36
SHA256

914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64
SHA512

5d3d188e71f864852fcc11e7a3b734e01c4f2cd00cb7ef0428b6211b537096a8655fa1be0990274fca0ff522d68c8df617ffd1ade69dadaec4e7afa724ab2be2
SSDEEP

1536:JOBLXNqgzf2v6b6NkXklZlogHGe9eBXW:JYLduv6OqXIlogmjW

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\479BA2CC = "C:\\Users\\Admin\\AppData\\Roaming\\479BA2CC\\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/2536-0-0x0000000000400000-0x000000000041D000-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	914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe
2324	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2324	winver.exe
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2324	2536	914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe	31
PID 2536 wrote to memory of 2324	2536	914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe	31
PID 2536 wrote to memory of 2324	2536	914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe	31
PID 2536 wrote to memory of 2324	2536	914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe	31
PID 2536 wrote to memory of 2324	2536	914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe	31
PID 2324 wrote to memory of 1112	2324	winver.exe	20
PID 2324 wrote to memory of 1040	2324	winver.exe	17
PID 2324 wrote to memory of 1068	2324	winver.exe	18
PID 2324 wrote to memory of 1112	2324	winver.exe	20
PID 2324 wrote to memory of 888	2324	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1040

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1112
- C:\Users\Admin\AppData\Local\Temp\914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe
  "C:\Users\Admin\AppData\Local\Temp\914c13eba46fd96b705be5602b857d34957ff62b26faf097c227212aca3eca64N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2536
- - 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:2324

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:888

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/888-30-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/888-25-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/888-31-0x0000000076F01000-0x0000000076F02000-memory.dmp

Filesize
4KB

Download
memory/1040-27-0x0000000076F01000-0x0000000076F02000-memory.dmp

Filesize
4KB

Download
memory/1040-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1068-20-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1068-28-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1112-4-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1112-29-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1112-2-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1112-10-0x0000000076F01000-0x0000000076F02000-memory.dmp

Filesize
4KB

Download
memory/1112-3-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1112-22-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/2324-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2324-11-0x0000000076EB0000-0x0000000077059000-memory.dmp

Filesize
1.7MB

Download
memory/2324-9-0x00000000770AF000-0x00000000770B1000-memory.dmp

Filesize
8KB

Download
memory/2324-8-0x00000000770AF000-0x00000000770B0000-memory.dmp

Filesize
4KB

Download
memory/2324-7-0x00000000770B0000-0x00000000770B1000-memory.dmp

Filesize
4KB

Download
memory/2324-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2536-13-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2536-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2536-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2536-5-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2536-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download