8f477e403616e74e8cc7b216be6aa31d7c8b3fc52a68ee4775220760172d2c99

Analysis

max time kernel
150s
max time network
136s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 03:20

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General

Target

2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe
Size

385KB
MD5

2ed1c54e861545797b5c8e3d9d9199e0
SHA1

f5a7a0390c613636324ba78f00b6fdd12e8c4d9a
SHA256

8f477e403616e74e8cc7b216be6aa31d7c8b3fc52a68ee4775220760172d2c99
SHA512

4a07d6ecc0d6b087ec1ad7610a9be2e59412677a2e085f9f307cc473b8fcd1d9a5625447c290010a2cdba3b14c937f7883cb6d233b5bb141cf26bac9e4b5d138
SSDEEP

6144:m/8xmxLy7OvxilGHUmlXExMXW/DJSw4LlKg90H65Q6UZo7M+Pe:mExmJ7kvmhExcODJSzLk7a5QTL

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1708	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	byxu.exe

Loads dropped DLL 1 IoCs

pid	Process
2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\{278F5008-6814-AD4F-E8EF-460FE6556512} = "C:\\Users\\Admin\\AppData\\Roaming\\Yzqu\\byxu.exe"	byxu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Privacy	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe
2756	byxu.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe
2756	byxu.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2756	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	30
PID 2252 wrote to memory of 2756	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	30
PID 2252 wrote to memory of 2756	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	30
PID 2252 wrote to memory of 2756	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	30
PID 2756 wrote to memory of 1108	2756	byxu.exe	19
PID 2756 wrote to memory of 1108	2756	byxu.exe	19
PID 2756 wrote to memory of 1108	2756	byxu.exe	19
PID 2756 wrote to memory of 1108	2756	byxu.exe	19
PID 2756 wrote to memory of 1108	2756	byxu.exe	19
PID 2756 wrote to memory of 1168	2756	byxu.exe	20
PID 2756 wrote to memory of 1168	2756	byxu.exe	20
PID 2756 wrote to memory of 1168	2756	byxu.exe	20
PID 2756 wrote to memory of 1168	2756	byxu.exe	20
PID 2756 wrote to memory of 1168	2756	byxu.exe	20
PID 2756 wrote to memory of 1204	2756	byxu.exe	21
PID 2756 wrote to memory of 1204	2756	byxu.exe	21
PID 2756 wrote to memory of 1204	2756	byxu.exe	21
PID 2756 wrote to memory of 1204	2756	byxu.exe	21
PID 2756 wrote to memory of 1204	2756	byxu.exe	21
PID 2756 wrote to memory of 1488	2756	byxu.exe	25
PID 2756 wrote to memory of 1488	2756	byxu.exe	25
PID 2756 wrote to memory of 1488	2756	byxu.exe	25
PID 2756 wrote to memory of 1488	2756	byxu.exe	25
PID 2756 wrote to memory of 1488	2756	byxu.exe	25
PID 2756 wrote to memory of 2252	2756	byxu.exe	29
PID 2756 wrote to memory of 2252	2756	byxu.exe	29
PID 2756 wrote to memory of 2252	2756	byxu.exe	29
PID 2756 wrote to memory of 2252	2756	byxu.exe	29
PID 2756 wrote to memory of 2252	2756	byxu.exe	29
PID 2252 wrote to memory of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31
PID 2252 wrote to memory of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31
PID 2252 wrote to memory of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31
PID 2252 wrote to memory of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31
PID 2252 wrote to memory of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31
PID 2252 wrote to memory of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31
PID 2252 wrote to memory of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31
PID 2252 wrote to memory of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31
PID 2252 wrote to memory of 1708	2252	2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe	31

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2ed1c54e861545797b5c8e3d9d9199e0_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Users\Admin\AppData\Roaming\Yzqu\byxu.exe
    "C:\Users\Admin\AppData\Roaming\Yzqu\byxu.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2756
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpa1dc5832.bat"
    3⤵
    - Deletes itself
    PID:1708

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpa1dc5832.bat

Filesize
271B

MD5
4f555d4fb5512578fad892d32aff6534

SHA1
50c04ac53f5bc67c221dfba40cfebb9189c14b9e

SHA256
d5a408abed3612d12e243c8eedafad10030c9d0710b36dd767d7fc385b9105ce

SHA512
2febb1d810da17045afcde1dfd43505c11f0fdc9d5c0b803da53e10dea03ea2bb70acb116148a8561b68431a9184c640e36c091b93819bfb750dbba35e0b9253

Download Submit
\Users\Admin\AppData\Roaming\Yzqu\byxu.exe

Filesize
385KB

MD5
bca44b3337bd32207ef9f5f15d028695

SHA1
2ae1bfc5abd79b7207245300881f7ec940024990

SHA256
19041d586ad2d386d171f45d0c328391b7a14d05ba49c68cc4e4b8e9a499cc02

SHA512
66274bd375565bf1dcf8011515439fd41906ca4337ba48508f56ad8be8b4ce705f2b7a054603acbb91f81425abc22c99fd5823056079b51a6c2203e44a63d551

Download Submit
memory/1108-16-0x0000000001F10000-0x0000000001F52000-memory.dmp

Filesize
264KB

Download
memory/1108-17-0x0000000001F10000-0x0000000001F52000-memory.dmp

Filesize
264KB

Download
memory/1108-20-0x0000000001F10000-0x0000000001F52000-memory.dmp

Filesize
264KB

Download
memory/1108-18-0x0000000001F10000-0x0000000001F52000-memory.dmp

Filesize
264KB

Download
memory/1108-19-0x0000000001F10000-0x0000000001F52000-memory.dmp

Filesize
264KB

Download
memory/1168-24-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1168-25-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1168-23-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1168-26-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1204-31-0x0000000002860000-0x00000000028A2000-memory.dmp

Filesize
264KB

Download
memory/1204-28-0x0000000002860000-0x00000000028A2000-memory.dmp

Filesize
264KB

Download
memory/1204-29-0x0000000002860000-0x00000000028A2000-memory.dmp

Filesize
264KB

Download
memory/1204-30-0x0000000002860000-0x00000000028A2000-memory.dmp

Filesize
264KB

Download
memory/1488-36-0x0000000001D80000-0x0000000001DC2000-memory.dmp

Filesize
264KB

Download
memory/1488-35-0x0000000001D80000-0x0000000001DC2000-memory.dmp

Filesize
264KB

Download
memory/1488-33-0x0000000001D80000-0x0000000001DC2000-memory.dmp

Filesize
264KB

Download
memory/1488-34-0x0000000001D80000-0x0000000001DC2000-memory.dmp

Filesize
264KB

Download
memory/2252-43-0x0000000000600000-0x0000000000642000-memory.dmp

Filesize
264KB

Download
memory/2252-54-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-39-0x0000000000600000-0x0000000000642000-memory.dmp

Filesize
264KB

Download
memory/2252-40-0x0000000000600000-0x0000000000642000-memory.dmp

Filesize
264KB

Download
memory/2252-41-0x0000000000600000-0x0000000000642000-memory.dmp

Filesize
264KB

Download
memory/2252-1-0x0000000000300000-0x0000000000363000-memory.dmp

Filesize
396KB

Download
memory/2252-42-0x0000000000600000-0x0000000000642000-memory.dmp

Filesize
264KB

Download
memory/2252-0-0x00000000002B0000-0x00000000002F2000-memory.dmp

Filesize
264KB

Download
memory/2252-153-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2252-154-0x0000000000600000-0x0000000000642000-memory.dmp

Filesize
264KB

Download
memory/2252-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2252-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2252-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2252-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2252-44-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-46-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-48-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-50-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-56-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-38-0x0000000000600000-0x0000000000642000-memory.dmp

Filesize
264KB

Download
memory/2252-58-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-52-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-62-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-60-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-128-0x00000000771C0000-0x00000000771C1000-memory.dmp

Filesize
4KB

Download
memory/2252-78-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-76-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-74-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-72-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-70-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-68-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-66-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-64-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-129-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2252-152-0x0000000000300000-0x0000000000363000-memory.dmp

Filesize
396KB

Download
memory/2756-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-14-0x0000000001C60000-0x0000000001CC3000-memory.dmp

Filesize
396KB

Download
memory/2756-12-0x0000000000670000-0x00000000006B2000-memory.dmp

Filesize
264KB

Download
memory/2756-273-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download