5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f

General

Target

btcreceiptscopies.exe
Size

742KB
MD5

9e86c85f3d451e8a8716c39dbe28379a
SHA1

c23ac963949b1c91ae566be269971e72808376a7
SHA256

5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f
SHA512

f8a4c42b41e3d4333120ad76701fff135f64805e558a4cf50fad17f86af1ed71ce4bbc34ab2128d72caa9029e76b30d29be29ba5a6873315538c3949b8cfa422
SSDEEP

12288:txGQ/w/DKicDR4RBAwFV340O5BZOKhNSRmDSuo8ukI/Px6VqlZz6oa5Nlt4pWG:PGQYLPRBAwFVo0O5BZOKhNZ9I4UlZmdO

Score

10^/10

discovery

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
webmail.mts.rs
Port:
587
Username:
[email protected]
Password:
Tptadic

Signatures

Detected Nirsoft tools 11 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

Processes:

resource	yara_rule
behavioral1/memory/2588-7-0x0000000000400000-0x0000000000494000-memory.dmp	Nirsoft
behavioral1/memory/2588-19-0x0000000000400000-0x0000000000494000-memory.dmp	Nirsoft
behavioral1/memory/2588-14-0x0000000000400000-0x0000000000494000-memory.dmp	Nirsoft
behavioral1/memory/2588-12-0x0000000000400000-0x0000000000494000-memory.dmp	Nirsoft
behavioral1/memory/2588-8-0x0000000000400000-0x0000000000494000-memory.dmp	Nirsoft
behavioral1/memory/1924-57-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1924-56-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1924-58-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1940-60-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/1940-59-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/1940-66-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

NirSoft MailPassView 8 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/2588-7-0x0000000000400000-0x0000000000494000-memory.dmp	MailPassView
behavioral1/memory/2588-19-0x0000000000400000-0x0000000000494000-memory.dmp	MailPassView
behavioral1/memory/2588-14-0x0000000000400000-0x0000000000494000-memory.dmp	MailPassView
behavioral1/memory/2588-12-0x0000000000400000-0x0000000000494000-memory.dmp	MailPassView
behavioral1/memory/2588-8-0x0000000000400000-0x0000000000494000-memory.dmp	MailPassView
behavioral1/memory/1924-57-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1924-56-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1924-58-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 8 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/2588-7-0x0000000000400000-0x0000000000494000-memory.dmp	WebBrowserPassView
behavioral1/memory/2588-19-0x0000000000400000-0x0000000000494000-memory.dmp	WebBrowserPassView
behavioral1/memory/2588-14-0x0000000000400000-0x0000000000494000-memory.dmp	WebBrowserPassView
behavioral1/memory/2588-12-0x0000000000400000-0x0000000000494000-memory.dmp	WebBrowserPassView
behavioral1/memory/2588-8-0x0000000000400000-0x0000000000494000-memory.dmp	WebBrowserPassView
behavioral1/memory/1940-60-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/1940-59-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/1940-66-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Executes dropped EXE 3 IoCs

Processes:

Windows Update.exeWindows Update.exeWindows Update.exe

pid process

2660 Windows Update.exe
1972 Windows Update.exe
2516 Windows Update.exe
Loads dropped DLL 3 IoCs

Processes:

btcreceiptscopies.exeWindows Update.exe

pid process

2588 btcreceiptscopies.exe
2660 Windows Update.exe
2660 Windows Update.exe
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 whatismyipaddress.com
6 whatismyipaddress.com

pid	process
2660	Windows Update.exe
1972	Windows Update.exe
2516	Windows Update.exe

pid	process
2588	btcreceiptscopies.exe
2660	Windows Update.exe
2660	Windows Update.exe

flow	ioc
4	whatismyipaddress.com
6	whatismyipaddress.com

Suspicious use of SetThreadContext 2 IoCs

Processes:

btcreceiptscopies.exeWindows Update.exe

description	pid	process	target process
PID 2792 set thread context of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2660 set thread context of 2516	2660	Windows Update.exe	Windows Update.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

btcreceiptscopies.exebtcreceiptscopies.exeWindows Update.exeWindows Update.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	btcreceiptscopies.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	btcreceiptscopies.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Windows Update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Windows Update.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

btcreceiptscopies.exeWindows Update.exe

pid process

2792 btcreceiptscopies.exe
2660 Windows Update.exe
2660 Windows Update.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

btcreceiptscopies.exeWindows Update.exe

description pid process

Token: SeDebugPrivilege 2792 btcreceiptscopies.exe
Token: SeDebugPrivilege 2660 Windows Update.exe

pid	process
2792	btcreceiptscopies.exe
2660	Windows Update.exe
2660	Windows Update.exe

description	pid	process
Token: SeDebugPrivilege	2792	btcreceiptscopies.exe
Token: SeDebugPrivilege	2660	Windows Update.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

btcreceiptscopies.exebtcreceiptscopies.exeWindows Update.exe

description	pid	process	target process
PID 2792 wrote to memory of 3004	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 3004	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 3004	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 3004	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2792 wrote to memory of 2588	2792	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 2588 wrote to memory of 2660	2588	btcreceiptscopies.exe	Windows Update.exe
PID 2588 wrote to memory of 2660	2588	btcreceiptscopies.exe	Windows Update.exe
PID 2588 wrote to memory of 2660	2588	btcreceiptscopies.exe	Windows Update.exe
PID 2588 wrote to memory of 2660	2588	btcreceiptscopies.exe	Windows Update.exe
PID 2588 wrote to memory of 2660	2588	btcreceiptscopies.exe	Windows Update.exe
PID 2588 wrote to memory of 2660	2588	btcreceiptscopies.exe	Windows Update.exe
PID 2588 wrote to memory of 2660	2588	btcreceiptscopies.exe	Windows Update.exe
PID 2660 wrote to memory of 1972	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 1972	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 1972	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 1972	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 1972	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 1972	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 1972	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe
PID 2660 wrote to memory of 2516	2660	Windows Update.exe	Windows Update.exe

C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe
"C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe
  "C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe"
  2⤵
  PID:3004
- C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe
  "C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Users\Admin\AppData\Roaming\Windows Update.exe
    "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - C:\Users\Admin\AppData\Roaming\Windows Update.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
      4⤵
      Executes dropped EXE
      PID:1972
  - - C:\Users\Admin\AppData\Roaming\Windows Update.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2516
    - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        5⤵
        
        PID:1924
    - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        5⤵
        
        PID:1940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\SysInfo.txt

Filesize
55B

MD5
e672630996e21ad7d8ae6fb323fc7f67

SHA1
d30f3cca177e51c6e5d30300c0e4efd85f443910

SHA256
86185edaab9a8db1dc592c8cfa76359a7b9f4775ae0769b2f8738340bdcedec8

SHA512
4a404c550f79ac3adea3689cad9f13a8bbceccff90e92c723427dabcddbaacabf91c7f5132d39493df5aa9c00c1ce87146d231f82ac2e0f87c9dc9159aad4cad

Download Submit
C:\Users\Admin\AppData\Local\Temp\holderwb.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe

Filesize
742KB

MD5
9e86c85f3d451e8a8716c39dbe28379a

SHA1
c23ac963949b1c91ae566be269971e72808376a7

SHA256
5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f

SHA512
f8a4c42b41e3d4333120ad76701fff135f64805e558a4cf50fad17f86af1ed71ce4bbc34ab2128d72caa9029e76b30d29be29ba5a6873315538c3949b8cfa422

Download Submit
memory/1924-57-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1924-56-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1924-58-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1940-65-0x0000000000460000-0x00000000004C7000-memory.dmp

Filesize
412KB

Download
memory/1940-66-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1940-59-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1940-60-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2516-55-0x00000000006E0000-0x00000000006E8000-memory.dmp

Filesize
32KB

Download
memory/2516-42-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-7-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2588-5-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2588-20-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2588-8-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2588-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-12-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2588-14-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2588-47-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2588-18-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2588-19-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2588-4-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2660-30-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/2660-29-0x0000000000BB0000-0x0000000000C70000-memory.dmp

Filesize
768KB

Download
memory/2792-51-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2792-52-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2792-17-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-3-0x00000000004B0000-0x00000000004B8000-memory.dmp

Filesize
32KB

Download
memory/2792-2-0x0000000000260000-0x0000000000274000-memory.dmp

Filesize
80KB

Download
memory/2792-1-0x0000000000270000-0x0000000000330000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads