tinba | 3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 14:38

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General

Target

3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe
Size

45KB
MD5

e4d03b04ab4fb0a87d0cbcc3e6455170
SHA1

3b4b98fa6e6fe43ccf547f66848c42b2928722b8
SHA256

3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6
SHA512

67762ff62fd9c4e38fdde82a5ba10e69c5c9ad7cf656f8e315f1dcb4ab64ba758b3df7eaee956e1531d5d1036ea0c49da13390887103ef0fd3ea6042a4a61d8a
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:asWE9N5dFu53dsniQaB/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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\24ABFC10 = "C:\\Users\\Admin\\AppData\\Roaming\\24ABFC10\\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/2876-0-0x0000000000400000-0x000000000041D000-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	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 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

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2700	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 2876 wrote to memory of 2700	2876	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe	31
PID 2876 wrote to memory of 2700	2876	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe	31
PID 2876 wrote to memory of 2700	2876	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe	31
PID 2876 wrote to memory of 2700	2876	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe	31
PID 2876 wrote to memory of 2700	2876	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe	31
PID 2700 wrote to memory of 1256	2700	winver.exe	21
PID 2700 wrote to memory of 1128	2700	winver.exe	19
PID 2700 wrote to memory of 1204	2700	winver.exe	20
PID 2700 wrote to memory of 1256	2700	winver.exe	21
PID 2700 wrote to memory of 1092	2700	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

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\3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe
  "C:\Users\Admin\AppData\Local\Temp\3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2876
- - 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:1092

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/1092-24-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1092-29-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/1092-28-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1128-26-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/1128-25-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1204-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1204-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1256-2-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1256-10-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/1256-27-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/1256-22-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/1256-4-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1256-3-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/2700-11-0x0000000076E60000-0x0000000077009000-memory.dmp

Filesize
1.7MB

Download
memory/2700-31-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2700-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2700-7-0x0000000077060000-0x0000000077061000-memory.dmp

Filesize
4KB

Download
memory/2700-8-0x000000007705F000-0x0000000077060000-memory.dmp

Filesize
4KB

Download
memory/2700-9-0x000000007705F000-0x0000000077061000-memory.dmp

Filesize
8KB

Download
memory/2876-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2876-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2876-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2876-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2876-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download