tinba | 7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 18:11

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General

Target

7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe
Size

160KB
MD5

7ff1ab6162b4c035b8a1f9327e1e43c0
SHA1

e25c6d31d092a310aa8a9f67dcc2d03270735507
SHA256

7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60
SHA512

ba5dcfeb503d300e2314aeb249c67556c7c8b2f8b9fadd7cb48b421aaece914a6b8861cc16885d9a6554cab98c883c4efc0e83cf30559f663d9fc4851b67a3f6
SSDEEP

1536:tEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:GY+4MiIkLZJNAQ9J6v

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

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\1A283587 = "C:\\Users\\Admin\\AppData\\Roaming\\1A283587\\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/2344-0-0x0000000000400000-0x0000000000428000-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	7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2328	2344	7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe	32
PID 2344 wrote to memory of 2328	2344	7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe	32
PID 2344 wrote to memory of 2328	2344	7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe	32
PID 2344 wrote to memory of 2328	2344	7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe	32
PID 2344 wrote to memory of 2328	2344	7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe	32
PID 2328 wrote to memory of 1224	2328	winver.exe	21
PID 2328 wrote to memory of 1112	2328	winver.exe	19
PID 2328 wrote to memory of 1172	2328	winver.exe	20
PID 2328 wrote to memory of 1224	2328	winver.exe	21
PID 2328 wrote to memory of 860	2328	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe
  "C:\Users\Admin\AppData\Local\Temp\7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - 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:2328

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:860

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/860-24-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/860-40-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/860-39-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/860-33-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/860-35-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/1112-25-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/1112-27-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/1112-28-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/1112-32-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/1112-34-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1172-31-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/1172-20-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1224-10-0x0000000077791000-0x0000000077792000-memory.dmp

Filesize
4KB

Download
memory/1224-2-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1224-30-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/1224-4-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1224-22-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/2328-9-0x000000007793F000-0x0000000077941000-memory.dmp

Filesize
8KB

Download
memory/2328-11-0x0000000077740000-0x00000000778E9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2328-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2328-7-0x0000000077940000-0x0000000077941000-memory.dmp

Filesize
4KB

Download
memory/2328-8-0x000000007793F000-0x0000000077940000-memory.dmp

Filesize
4KB

Download
memory/2344-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2344-5-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/2344-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2344-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2344-13-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download