guloader | 89610e2f92bf94480bf6d749c1cbe1b771ee3c24a15ee06bfa6ae6cb8dc255d8

Analysis

max time kernel
296s
max time network
294s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 01:51

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General

Target

Fayda Imza Plani Imza v? Qaytarma #0004621.exe
Size

730KB
MD5

cd06d82ad09e145590b1887814d74e55
SHA1

40fa350868cd13d8bbe91333de0e36222bd91fae
SHA256

819c6c2cc22d8a40774dc16d55760be3297fb00c62e9ed246aa66a676241447a
SHA512

645ff09759ca0a98506eea702dda090c6a6c02c00d8074c4552e0a9bb6e0e85c77c53e2ed769da5d13fd658628a372fa7889251f3caf78e7b8487c45706bc32b
SSDEEP

12288:bBLbRgX4fCaSnlTnhqEuEpOhiFncewhrT9toKN+E4ArCoEzm+WLk2dtfgqKujNHl:ttNCjlIa8qcewB9OKNbMmtFdtBKujpgg

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 2 IoCs

pid	Process
2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe
2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe
2860	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2144 set thread context of 2860	2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe	29

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\sitrep.spo	Fayda Imza Plani Imza v_ Qaytarma #0004621.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 2 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	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2860	2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe	29
PID 2144 wrote to memory of 2860	2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe	29
PID 2144 wrote to memory of 2860	2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe	29
PID 2144 wrote to memory of 2860	2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe	29
PID 2144 wrote to memory of 2860	2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe	29
PID 2144 wrote to memory of 2860	2144	Fayda Imza Plani Imza v_ Qaytarma #0004621.exe	29

C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe
"C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe
  "C:\Users\Admin\AppData\Local\Temp\Fayda Imza Plani Imza v_ Qaytarma #0004621.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nszFD44.tmp\System.dll

Filesize
11KB

MD5
ee260c45e97b62a5e42f17460d406068

SHA1
df35f6300a03c4d3d3bd69752574426296b78695

SHA256
e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

SHA512
a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

Download Submit
memory/2144-18-0x0000000003570000-0x000000000474B000-memory.dmp

Filesize
17.9MB

Download
memory/2144-19-0x0000000076EE1000-0x0000000076FE2000-memory.dmp

Filesize
1.0MB

Download
memory/2144-20-0x0000000076EE0000-0x0000000077089000-memory.dmp

Filesize
1.7MB

Download
memory/2144-21-0x0000000003570000-0x000000000474B000-memory.dmp

Filesize
17.9MB

Download
memory/2860-22-0x0000000076EE0000-0x0000000077089000-memory.dmp

Filesize
1.7MB

Download
memory/2860-23-0x0000000000460000-0x00000000014C2000-memory.dmp

Filesize
16.4MB

Download