tinba | 9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 14:53

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General

Target

9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261N.exe
Size

146KB
MD5

2666acb3028167ffe18a695a61e404f0
SHA1

6db15b439e64c48062bc7e3d6a811670f96d51bb
SHA256

9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261
SHA512

be2ee0fec2cbd614d27476475b989486f7769f39d0080894f5e9fdc545c7f8a55f7c155985ba63fd2cce68f23e526148d6c4b528f4f8c8a7cf2a710aa0913a97
SSDEEP

1536:miLOvRmmQegJ3BbmAQ256/ZrwWnL8SOV7CW2YqjhOrmK6o8v0E:miyvRmbLs/ZrwWL/OV7GjQqpo8l

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\FB27517D = "C:\\Users\\Admin\\AppData\\Roaming\\FB27517D\\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/1860-0-0x0000000000400000-0x0000000000425000-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	9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2072	winver.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2072	1860	9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261N.exe	31
PID 1860 wrote to memory of 2072	1860	9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261N.exe	31
PID 1860 wrote to memory of 2072	1860	9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261N.exe	31
PID 1860 wrote to memory of 2072	1860	9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261N.exe	31
PID 1860 wrote to memory of 2072	1860	9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261N.exe	31
PID 2072 wrote to memory of 1208	2072	winver.exe	21
PID 2072 wrote to memory of 1108	2072	winver.exe	19
PID 2072 wrote to memory of 1168	2072	winver.exe	20
PID 2072 wrote to memory of 1208	2072	winver.exe	21
PID 2072 wrote to memory of 1524	2072	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1208
- C:\Users\Admin\AppData\Local\Temp\9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261N.exe
  "C:\Users\Admin\AppData\Local\Temp\9c3255c10fcc3cfc866d2860590b705681de1954583df1276b264c9705df6261N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1860
- - 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:2072

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1524

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/1108-27-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1108-37-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1108-18-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1108-19-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1108-20-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1168-31-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1168-23-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1208-25-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1208-32-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1524-33-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1524-30-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1524-29-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1524-28-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1860-12-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1860-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1860-5-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/1860-13-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/1860-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2072-9-0x00000000777DF000-0x00000000777E1000-memory.dmp

Filesize
8KB

Download
memory/2072-8-0x00000000777DF000-0x00000000777E0000-memory.dmp

Filesize
4KB

Download
memory/2072-11-0x00000000775E0000-0x0000000077789000-memory.dmp

Filesize
1.7MB

Download
memory/2072-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2072-7-0x00000000777E0000-0x00000000777E1000-memory.dmp

Filesize
4KB

Download