7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3

General

Target

7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe
Size

532KB
MD5

13628c79c5c1febc28bc57bf7ec89272
SHA1

e568d6984413658351e5be9f121ccdc66e46b71f
SHA256

7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3
SHA512

8ed53c692e6634ed56fd6e80c6854026c178707cb6d48319c2f8e56cefc6cbe198ccc3de8ca467f1578d440c84ec129ac49199fd81bc5535234a56ea9d0daab4
SSDEEP

12288:vYV6MorX7qzuC3QHO9FQVHPF51jgcoe7DAerHfq8VQv:8BXu9HGaVHoeDieQv

Score

7^/10

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Fonda.vbs	Fonda.exe

Executes dropped EXE 1 IoCs

pid	Process
4152	Fonda.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/464-19-0x0000000000C90000-0x0000000000DC7000-memory.dmp	autoit_exe
behavioral2/memory/4152-35-0x00000000002B0000-0x00000000003E7000-memory.dmp	autoit_exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/464-0-0x0000000000C90000-0x0000000000DC7000-memory.dmp	upx
behavioral2/files/0x000a000000023b76-15.dat	upx
behavioral2/memory/4152-16-0x00000000002B0000-0x00000000003E7000-memory.dmp	upx
behavioral2/memory/464-19-0x0000000000C90000-0x0000000000DC7000-memory.dmp	upx
behavioral2/memory/4152-35-0x00000000002B0000-0x00000000003E7000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4256	4152	WerFault.exe	82

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	7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fonda.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
464	7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe
464	7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe
4152	Fonda.exe
4152	Fonda.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
464	7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe
464	7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe
4152	Fonda.exe
4152	Fonda.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4152	464	7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe	82
PID 464 wrote to memory of 4152	464	7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe	82
PID 464 wrote to memory of 4152	464	7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe	82
PID 4152 wrote to memory of 1060	4152	Fonda.exe	83
PID 4152 wrote to memory of 1060	4152	Fonda.exe	83
PID 4152 wrote to memory of 1060	4152	Fonda.exe	83

C:\Users\Admin\AppData\Local\Temp\7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe
"C:\Users\Admin\AppData\Local\Temp\7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:464
- C:\Users\Admin\AppData\Local\robustuous\Fonda.exe
  "C:\Users\Admin\AppData\Local\Temp\7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4152
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3.exe"
    3⤵
    PID:1060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4152 -s 664
    3⤵
    - Program crash
    PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4152 -ip 4152
1⤵
PID:5036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nonagglutinant

Filesize
271KB

MD5
12710082cf9486c781e689b1b766aed3

SHA1
b504b2b2ca1ed1ce1cdd45d2b21df1f925631e57

SHA256
40ab9db6ffbff9c0a81f948d224ff95dec7091e2af1f4b8fa90a9741a0e64a72

SHA512
e4d2784c6c66354ed74582056185b936a33cc1ab85438e6842a26b5baae47c459b3216e5904065abdb72da451d1b7c212a23a267daad48e6862d1328830db542

Download Submit
C:\Users\Admin\AppData\Local\robustuous\Fonda.exe

Filesize
532KB

MD5
13628c79c5c1febc28bc57bf7ec89272

SHA1
e568d6984413658351e5be9f121ccdc66e46b71f

SHA256
7e1ad38a28e90dd0d9c52003b47929b83c99ea43560e9dca9db8cfdd167788d3

SHA512
8ed53c692e6634ed56fd6e80c6854026c178707cb6d48319c2f8e56cefc6cbe198ccc3de8ca467f1578d440c84ec129ac49199fd81bc5535234a56ea9d0daab4

Download Submit
memory/464-0-0x0000000000C90000-0x0000000000DC7000-memory.dmp

Filesize
1.2MB

Download
memory/464-12-0x0000000001260000-0x0000000001660000-memory.dmp

Filesize
4.0MB

Download
memory/464-19-0x0000000000C90000-0x0000000000DC7000-memory.dmp

Filesize
1.2MB

Download
memory/4152-16-0x00000000002B0000-0x00000000003E7000-memory.dmp

Filesize
1.2MB

Download
memory/4152-33-0x00000000015F0000-0x00000000019F0000-memory.dmp

Filesize
4.0MB

Download
memory/4152-35-0x00000000002B0000-0x00000000003E7000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing