tinba | 82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 08:39

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General

Target

82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76.exe
Size

110KB
MD5

7a95521176424a59d9249b8bebab987a
SHA1

56e14555f7fb09729d046b88be72ed8ad2fd40da
SHA256

82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76
SHA512

13f91b3e7af1b13c5bfaa2c7fcbc7fab570847eba5481bac85ac5cc914e2ea580ab95eb3663bd30321fcfcc3734a99d4e591685a7de3f13bee0fe356a3b8c439
SSDEEP

1536:biLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:biyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\43CC7605 = "C:\\Users\\Admin\\AppData\\Roaming\\43CC7605\\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/1924-0-0x0000000000400000-0x000000000041E000-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	82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2552	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2552	1924	82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76.exe	31
PID 1924 wrote to memory of 2552	1924	82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76.exe	31
PID 1924 wrote to memory of 2552	1924	82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76.exe	31
PID 1924 wrote to memory of 2552	1924	82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76.exe	31
PID 1924 wrote to memory of 2552	1924	82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76.exe	31
PID 2552 wrote to memory of 1208	2552	winver.exe	21
PID 2552 wrote to memory of 1120	2552	winver.exe	19
PID 2552 wrote to memory of 1176	2552	winver.exe	20
PID 2552 wrote to memory of 1208	2552	winver.exe	21
PID 2552 wrote to memory of 1288	2552	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76.exe
  "C:\Users\Admin\AppData\Local\Temp\82f36dd9c6ce4cdc97df2c07ed268a02c6e35ac23901c2279d8fcb5c0f529e76.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - 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:2552

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1288

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/1120-25-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000077121000-0x0000000077122000-memory.dmp

Filesize
4KB

Download
memory/1176-19-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1208-24-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077121000-0x0000000077122000-memory.dmp

Filesize
4KB

Download
memory/1208-3-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1208-21-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1288-23-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1288-28-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1288-29-0x0000000077121000-0x0000000077122000-memory.dmp

Filesize
4KB

Download
memory/1924-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1924-13-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/1924-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1924-5-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/1924-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2552-11-0x00000000770D0000-0x0000000077279000-memory.dmp

Filesize
1.7MB

Download
memory/2552-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2552-7-0x00000000772D0000-0x00000000772D1000-memory.dmp

Filesize
4KB

Download
memory/2552-8-0x00000000772CF000-0x00000000772D0000-memory.dmp

Filesize
4KB

Download
memory/2552-9-0x00000000772CF000-0x00000000772D1000-memory.dmp

Filesize
8KB

Download
memory/2552-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download