tinba | a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506

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
04-12-2024 01:00

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General

Target

a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506.exe
Size

45KB
MD5

f66e747314ab13ed85ccbb173e17627f
SHA1

c73457ffcc48ed87ed566e248d8bde9229090d98
SHA256

a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506
SHA512

2590fbda1db5c8408712abc6268d206ba88d9b4d4671ec410fa74b13e5ef9192199ed9427e9a84e413d553a5b68e3abb3a9da31517f560bbc11334b7187e9693
SSDEEP

768:OhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:CsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\933CC944 = "C:\\Users\\Admin\\AppData\\Roaming\\933CC944\\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/2056-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3028	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 3028	2056	a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506.exe	31
PID 2056 wrote to memory of 3028	2056	a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506.exe	31
PID 2056 wrote to memory of 3028	2056	a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506.exe	31
PID 2056 wrote to memory of 3028	2056	a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506.exe	31
PID 2056 wrote to memory of 3028	2056	a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506.exe	31
PID 3028 wrote to memory of 1188	3028	winver.exe	21
PID 3028 wrote to memory of 1064	3028	winver.exe	18
PID 3028 wrote to memory of 1164	3028	winver.exe	20
PID 3028 wrote to memory of 1188	3028	winver.exe	21
PID 3028 wrote to memory of 1428	3028	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506.exe
  "C:\Users\Admin\AppData\Local\Temp\a9b286948672f6165188c6c1888faf98ad5e5e2ec4a34fb90d67e9daaec57506.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2056
- - 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:3028

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1428

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/1064-24-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1064-25-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1064-26-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1164-30-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1188-31-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1188-21-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1428-23-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1428-29-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1428-28-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1428-34-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1428-32-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/2056-5-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2056-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2056-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2056-13-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2056-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3028-9-0x0000000077BEF000-0x0000000077BF1000-memory.dmp

Filesize
8KB

Download
memory/3028-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/3028-7-0x0000000077BF0000-0x0000000077BF1000-memory.dmp

Filesize
4KB

Download
memory/3028-8-0x0000000077BEF000-0x0000000077BF0000-memory.dmp

Filesize
4KB

Download
memory/3028-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/3028-11-0x00000000779F0000-0x0000000077B99000-memory.dmp

Filesize
1.7MB

Download