b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c

General

Target

b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
Size

218KB
MD5

00c40ed16d7549561698a57d38de2d27
SHA1

53575cb2856fbf438db355a2aee8af7a01e9d38c
SHA256

b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c
SHA512

aa16fb450c8157366d1cf98c3af19a7970161feaf0920a9fcbb27fe71b96a3e3898b0557ea202b0ff45fd370ce3141c2e39400a45d3add27843b37575b797dee
SSDEEP

6144:pvsS3rsWqy7xglOsVAkgHiS1Sg9rYsk+RXSaPeBim:CS3XH7C9AkgBLNtSaP

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3436-132-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3436-133-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3436-137-0x0000000000400000-0x00000000004B2000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1648	cmd.exe

Unexpected DNS network traffic destination 6 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	85.114.128.127
Destination IP	85.114.128.127
Destination IP	85.114.128.127
Destination IP	85.114.128.127
Destination IP	85.114.128.127
Destination IP	85.114.128.127

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Update = "\"C:\\Users\\Admin\\AppData\\Local\\Google\\Desktop\\Install\\{bfcb9398-bfb2-ca3f-1731-e604ea3da242}\\❤≸⋙\\Ⱒ☠⍨\\\u202eﯹ๛\\{bfcb9398-bfb2-ca3f-1731-e604ea3da242}\\GoogleUpdate.exe\" >"	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3436 set thread context of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 4844 set thread context of 1648	4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	82

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
3048	Process not Found
3048	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3048	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
Token: SeDebugPrivilege	4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
Token: SeDebugPrivilege	4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
Token: SeDebugPrivilege	3048	Process not Found

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3048	Process not Found

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 3436 wrote to memory of 4844	3436	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	81
PID 4844 wrote to memory of 1648	4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	82
PID 4844 wrote to memory of 1648	4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	82
PID 4844 wrote to memory of 1648	4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	82
PID 4844 wrote to memory of 1648	4844	b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe	82

C:\Users\Admin\AppData\Local\Temp\b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
"C:\Users\Admin\AppData\Local\Temp\b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe
  "C:\Users\Admin\AppData\Local\Temp\b99a7d37978877e1736243030dfe0c4a3da1ad1ca7edf296bc513c57e683575c.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:1648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3048-141-0x0000000000980000-0x0000000000992000-memory.dmp

Filesize
72KB

Download
memory/3436-132-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3436-133-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3436-137-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4844-135-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4844-136-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4844-138-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4844-140-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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