tinba | 10b7fb1e6549953e9f90379ba2ec971514ea9047da7a1312c397d6238e28b01a

Analysis

max time kernel
152s
max time network
154s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
02/11/2023, 16:42

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General

Target

NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe
Size

45KB
MD5

482c3e2e3cc73e69e1536e0a85385d20
SHA1

9a272ba2fc4ee358f3b01a4c8845cbf42e95c104
SHA256

10b7fb1e6549953e9f90379ba2ec971514ea9047da7a1312c397d6238e28b01a
SHA512

84c1e0d8f4dfae544d6c39d356a3f0e92e9d22dba6478dd583e4b513c47efadabf2823ae4c9af5a981a01da71d2992a3c4ae4684fd73abaf6fabaa2145b76330
SSDEEP

768:bhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:dsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker 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/1260-0-0x0000000000400000-0x000000000041D000-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-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\E5906F40 = "C:\\Users\\Admin\\AppData\\Roaming\\E5906F40\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe
2176	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1268	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2176	winver.exe

Suspicious use of UnmapMainImage 3 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 2176	1260	NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe	29
PID 1260 wrote to memory of 2176	1260	NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe	29
PID 1260 wrote to memory of 2176	1260	NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe	29
PID 1260 wrote to memory of 2176	1260	NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe	29
PID 1260 wrote to memory of 2176	1260	NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe	29
PID 2176 wrote to memory of 1268	2176	winver.exe	9
PID 2176 wrote to memory of 1120	2176	winver.exe	11
PID 2176 wrote to memory of 1180	2176	winver.exe	10
PID 2176 wrote to memory of 1268	2176	winver.exe	9

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
PID:1268
- C:\Users\Admin\AppData\Local\Temp\NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.482c3e2e3cc73e69e1536e0a85385d20.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1260
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2176

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1120-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1180-24-0x0000000001AC0000-0x0000000001AC6000-memory.dmp

Filesize
24KB

Download
memory/1180-21-0x0000000001AC0000-0x0000000001AC6000-memory.dmp

Filesize
24KB

Download
memory/1180-25-0x0000000077351000-0x0000000077352000-memory.dmp

Filesize
4KB

Download
memory/1260-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1260-3-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/1260-13-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/1260-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1260-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1268-2-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1268-11-0x0000000077351000-0x0000000077352000-memory.dmp

Filesize
4KB

Download
memory/1268-6-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1268-27-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1268-14-0x00000000774E0000-0x00000000774E1000-memory.dmp

Filesize
4KB

Download
memory/1268-23-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/2176-7-0x0000000000600000-0x0000000000616000-memory.dmp

Filesize
88KB

Download
memory/2176-17-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/2176-16-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2176-8-0x00000000774FF000-0x0000000077500000-memory.dmp

Filesize
4KB

Download
memory/2176-9-0x00000000774FF000-0x0000000077501000-memory.dmp

Filesize
8KB

Download
memory/2176-10-0x0000000077500000-0x0000000077501000-memory.dmp

Filesize
4KB

Download
memory/2176-4-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2176-31-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download