tinba | 203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/01/2025, 23:34

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General

Target

203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe
Size

110KB
MD5

26ed580ce355ffd8a6082f9413e74a10
SHA1

c473cd5f724a259318f3beac83a4527e6294349a
SHA256

203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8
SHA512

c22e85001c4cdae3e4b1c1b8902aa33c6c9aabc46f452e660938837c982ff3a3eab26d15e39960ff22b2d06d78a79ba01341cd06ca3b88bc3c245a0f40373a65
SSDEEP

1536:fiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:fiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\E7DB56B2 = "C:\\Users\\Admin\\AppData\\Roaming\\E7DB56B2\\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/2600-0-0x0000000000400000-0x000000000041E000-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	203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3028	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 3028	2600	203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe	30
PID 2600 wrote to memory of 3028	2600	203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe	30
PID 2600 wrote to memory of 3028	2600	203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe	30
PID 2600 wrote to memory of 3028	2600	203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe	30
PID 2600 wrote to memory of 3028	2600	203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe	30
PID 3028 wrote to memory of 1264	3028	winver.exe	20
PID 3028 wrote to memory of 1124	3028	winver.exe	18
PID 3028 wrote to memory of 1212	3028	winver.exe	19
PID 3028 wrote to memory of 1264	3028	winver.exe	20
PID 3028 wrote to memory of 1552	3028	winver.exe	24

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1212

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe
  "C:\Users\Admin\AppData\Local\Temp\203fa5b045bcc12dfe50844639897dea253bbbc19a0480d10e6f73eac37323d8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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:3028

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1552

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/1124-26-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1124-25-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1212-20-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1264-22-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1264-10-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1264-2-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1264-3-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1264-4-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1264-30-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1552-29-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1552-28-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1552-24-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2600-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2600-14-0x0000000001B70000-0x0000000002570000-memory.dmp

Filesize
10.0MB

Download
memory/2600-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2600-5-0x0000000001B70000-0x0000000002570000-memory.dmp

Filesize
10.0MB

Download
memory/2600-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3028-6-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3028-7-0x0000000077970000-0x0000000077971000-memory.dmp

Filesize
4KB

Download
memory/3028-8-0x000000007796F000-0x0000000077970000-memory.dmp

Filesize
4KB

Download
memory/3028-9-0x000000007796F000-0x0000000077971000-memory.dmp

Filesize
8KB

Download
memory/3028-11-0x0000000077770000-0x0000000077919000-memory.dmp

Filesize
1.7MB

Download
memory/3028-31-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download