guloader | e498bb95445b785fad79f8b598cb0548cbce05f4833106b5f137c38a3a07751a

Analysis

max time kernel
149s
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
18-10-2024 16:54

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General

Target

5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
Size

148KB
MD5

5888c8f7a1e577dcdef074b9a4692163
SHA1

f79e3b22ead819d39992c9fb68d24734ceaf6f10
SHA256

e498bb95445b785fad79f8b598cb0548cbce05f4833106b5f137c38a3a07751a
SHA512

f458da9264801fefaa2b786b9230b9898bcbe42499a5f45b4e83ef09a5354b5eee68f38b394846106d253732b78b6cab0b642e88770c15694ff8fff71cf32b8b
SSDEEP

1536:7E4FVqmDcU0oruIRiMGWtsA9MGNjPj7GZUib9DYIz:ZVSIRiLSsA9MIrOtJv

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

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

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	ielowutil.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
900	ielowutil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4380 set thread context of 900	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	113

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	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ielowutil.exe

Suspicious behavior: MapViewOfSection 12 IoCs

pid	Process
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 3688	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	102
PID 4380 wrote to memory of 3688	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	102
PID 4380 wrote to memory of 3688	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	102
PID 4380 wrote to memory of 3692	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	103
PID 4380 wrote to memory of 3692	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	103
PID 4380 wrote to memory of 3692	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	103
PID 4380 wrote to memory of 4816	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	104
PID 4380 wrote to memory of 4816	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	104
PID 4380 wrote to memory of 4816	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	104
PID 4380 wrote to memory of 964	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	105
PID 4380 wrote to memory of 964	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	105
PID 4380 wrote to memory of 964	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	105
PID 4380 wrote to memory of 1608	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	106
PID 4380 wrote to memory of 1608	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	106
PID 4380 wrote to memory of 1608	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	106
PID 4380 wrote to memory of 4784	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	107
PID 4380 wrote to memory of 4784	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	107
PID 4380 wrote to memory of 4784	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	107
PID 4380 wrote to memory of 948	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	108
PID 4380 wrote to memory of 948	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	108
PID 4380 wrote to memory of 948	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	108
PID 4380 wrote to memory of 4860	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	109
PID 4380 wrote to memory of 4860	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	109
PID 4380 wrote to memory of 4860	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	109
PID 4380 wrote to memory of 4020	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	110
PID 4380 wrote to memory of 4020	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	110
PID 4380 wrote to memory of 4020	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	110
PID 4380 wrote to memory of 408	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	111
PID 4380 wrote to memory of 408	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	111
PID 4380 wrote to memory of 408	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	111
PID 4380 wrote to memory of 1956	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	112
PID 4380 wrote to memory of 1956	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	112
PID 4380 wrote to memory of 1956	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	112
PID 4380 wrote to memory of 900	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	113
PID 4380 wrote to memory of 900	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	113
PID 4380 wrote to memory of 900	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	113
PID 4380 wrote to memory of 900	4380	5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe	113

C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
1⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:3688
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:3692
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:4816
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:964
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:1608
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:4784
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:948
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:4860
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:4020
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:408
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  PID:1956
- C:\Program Files (x86)\internet explorer\ielowutil.exe
  "C:\Users\Admin\AppData\Local\Temp\5888c8f7a1e577dcdef074b9a4692163_JaffaCakes118.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

memory/900-6-0x0000000000C10000-0x0000000000D10000-memory.dmp

Filesize
1024KB

Download
memory/900-7-0x0000000000C10000-0x0000000000D10000-memory.dmp

Filesize
1024KB

Download
memory/900-8-0x0000000000C10000-0x0000000000D10000-memory.dmp

Filesize
1024KB

Download
memory/4380-2-0x0000000002270000-0x000000000228D000-memory.dmp

Filesize
116KB

Download
memory/4380-3-0x0000000002270000-0x000000000228D000-memory.dmp

Filesize
116KB

Download
memory/4380-4-0x0000000077281000-0x00000000773A1000-memory.dmp

Filesize
1.1MB

Download
memory/4380-5-0x0000000077281000-0x00000000773A1000-memory.dmp

Filesize
1.1MB

Download
memory/4380-10-0x0000000002270000-0x000000000228D000-memory.dmp

Filesize
116KB

Download