tinba | c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 16:51

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General

Target

c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299N.exe
Size

110KB
MD5

f29ddb71e5dadf1e58c44421c9e24af0
SHA1

dd338a2cd11386158365b6c84adb348d1a0baccd
SHA256

c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299
SHA512

0f36945698f442f6b780766dacadf663fb2a9ebf11b461e3fa3196888ee83e0a990c83253d830a3585efa16a6d6a14ac0a50ec8e6dd653df2c83a83b1b230773
SSDEEP

1536:CiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:CiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\B59BE504 = "C:\\Users\\Admin\\AppData\\Roaming\\B59BE504\\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/2952-0-0x0000000000400000-0x000000000041E000-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	c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2816	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2816	2952	c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299N.exe	31
PID 2952 wrote to memory of 2816	2952	c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299N.exe	31
PID 2952 wrote to memory of 2816	2952	c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299N.exe	31
PID 2952 wrote to memory of 2816	2952	c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299N.exe	31
PID 2952 wrote to memory of 2816	2952	c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299N.exe	31
PID 2816 wrote to memory of 1052	2816	winver.exe	18
PID 2816 wrote to memory of 1028	2816	winver.exe	17
PID 2816 wrote to memory of 1052	2816	winver.exe	18
PID 2816 wrote to memory of 1088	2816	winver.exe	19
PID 2816 wrote to memory of 1816	2816	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1052
- C:\Users\Admin\AppData\Local\Temp\c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299N.exe
  "C:\Users\Admin\AppData\Local\Temp\c85bad2f2c27dcc40bf728fe7a242c74a2fdd222ea631603d6225bbaba89c299N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2952
- - 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:2816

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

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1816

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/1028-26-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1028-27-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

Filesize
4KB

Download
memory/1052-3-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-2-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-4-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-21-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1052-10-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

Filesize
4KB

Download
memory/1052-32-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1088-31-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1088-23-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1816-25-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/1816-29-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/1816-30-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

Filesize
4KB

Download
memory/2816-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2816-7-0x0000000077D90000-0x0000000077D91000-memory.dmp

Filesize
4KB

Download
memory/2816-8-0x0000000077D8F000-0x0000000077D90000-memory.dmp

Filesize
4KB

Download
memory/2816-9-0x0000000077D8F000-0x0000000077D91000-memory.dmp

Filesize
8KB

Download
memory/2816-11-0x0000000077B90000-0x0000000077D39000-memory.dmp

Filesize
1.7MB

Download
memory/2816-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2816-37-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2952-14-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/2952-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2952-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2952-5-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/2952-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download