tinba | 87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10/12/2024, 20:14

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General

Target

87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453.exe
Size

45KB
MD5

c674330e79994f5c7425f974b52e56d1
SHA1

161bb8fec641b0a51c3d2e5284c535a35ae317af
SHA256

87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453
SHA512

d38f311c1affbc69e7868a44a24bb0fba61934c327dceebef40ae9877873581c6017345c1dca770be14f172024689ac3c46bf6fc26f68347dd38c3c9a551d8d3
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2F:asWE9N5dFu53dsniQaB/xZ14n7zIF+qJ

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\C919A132 = "C:\\Users\\Admin\\AppData\\Roaming\\C919A132\\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/1724-0-0x0000000000400000-0x000000000041D000-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	87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2528	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2528	1724	87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453.exe	31
PID 1724 wrote to memory of 2528	1724	87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453.exe	31
PID 1724 wrote to memory of 2528	1724	87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453.exe	31
PID 1724 wrote to memory of 2528	1724	87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453.exe	31
PID 1724 wrote to memory of 2528	1724	87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453.exe	31
PID 2528 wrote to memory of 1212	2528	winver.exe	21
PID 2528 wrote to memory of 1088	2528	winver.exe	19
PID 2528 wrote to memory of 1168	2528	winver.exe	20
PID 2528 wrote to memory of 1212	2528	winver.exe	21
PID 2528 wrote to memory of 1444	2528	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453.exe
  "C:\Users\Admin\AppData\Local\Temp\87bcd1e7306b77cb3f91c6c8bc6f5c1b0541bd1a6059bde80f25b5828adce453.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1724
- - 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:2528

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1444

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/1088-27-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1088-26-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1212-22-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1444-32-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1444-25-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1444-30-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1444-31-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1724-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1724-13-0x0000000001F10000-0x0000000002910000-memory.dmp

Filesize
10.0MB

Download
memory/1724-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1724-5-0x0000000001F10000-0x0000000002910000-memory.dmp

Filesize
10.0MB

Download
memory/1724-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2528-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2528-7-0x0000000077690000-0x0000000077691000-memory.dmp

Filesize
4KB

Download
memory/2528-8-0x000000007768F000-0x0000000077690000-memory.dmp

Filesize
4KB

Download
memory/2528-9-0x000000007768F000-0x0000000077691000-memory.dmp

Filesize
8KB

Download
memory/2528-11-0x0000000077490000-0x0000000077639000-memory.dmp

Filesize
1.7MB

Download
memory/2528-33-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download