3933f86919922655c3838aff299c646d8a85dfe4658ab48b56667e1bfca832f5

Analysis

max time kernel
150s
max time network
136s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20/07/2024, 00:20

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General

Target

5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe
Size

298KB
MD5

5e4d4c7a75e96dd92eaf1533c45d228b
SHA1

4cd4eab1b8257c62012c2bd0d8c338e3b4b06b6d
SHA256

3933f86919922655c3838aff299c646d8a85dfe4658ab48b56667e1bfca832f5
SHA512

70f57dc419075c1c80011851b4a16fe93ffc98d8382a19c09fed9021f10d2806284f48f699b0fa7fe4ead176a9df465e938efd287b3d16a8e038d3de7d2308fe
SSDEEP

6144:R0+N1vzAwzqEybL8eFiqLnFH3ua12BM6SZMIEEYq3/GS:mSpAXJ8evLIo6MCEYq3/H

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3000	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
560	yjbi.exe

Loads dropped DLL 1 IoCs

pid	Process
1700	5e4d4c7a75e96dd92eaf1533c45d228b_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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\{15320D28-6FEE-AD4F-3AAA-40C7281D63DA} = "C:\\Users\\Admin\\AppData\\Roaming\\Duyj\\yjbi.exe"	yjbi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	31

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Privacy	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe
560	yjbi.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe
560	yjbi.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 560	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	30
PID 1700 wrote to memory of 560	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	30
PID 1700 wrote to memory of 560	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	30
PID 1700 wrote to memory of 560	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	30
PID 560 wrote to memory of 1108	560	yjbi.exe	19
PID 560 wrote to memory of 1108	560	yjbi.exe	19
PID 560 wrote to memory of 1108	560	yjbi.exe	19
PID 560 wrote to memory of 1108	560	yjbi.exe	19
PID 560 wrote to memory of 1108	560	yjbi.exe	19
PID 560 wrote to memory of 1156	560	yjbi.exe	20
PID 560 wrote to memory of 1156	560	yjbi.exe	20
PID 560 wrote to memory of 1156	560	yjbi.exe	20
PID 560 wrote to memory of 1156	560	yjbi.exe	20
PID 560 wrote to memory of 1156	560	yjbi.exe	20
PID 560 wrote to memory of 1188	560	yjbi.exe	21
PID 560 wrote to memory of 1188	560	yjbi.exe	21
PID 560 wrote to memory of 1188	560	yjbi.exe	21
PID 560 wrote to memory of 1188	560	yjbi.exe	21
PID 560 wrote to memory of 1188	560	yjbi.exe	21
PID 560 wrote to memory of 1552	560	yjbi.exe	25
PID 560 wrote to memory of 1552	560	yjbi.exe	25
PID 560 wrote to memory of 1552	560	yjbi.exe	25
PID 560 wrote to memory of 1552	560	yjbi.exe	25
PID 560 wrote to memory of 1552	560	yjbi.exe	25
PID 560 wrote to memory of 1700	560	yjbi.exe	29
PID 560 wrote to memory of 1700	560	yjbi.exe	29
PID 560 wrote to memory of 1700	560	yjbi.exe	29
PID 560 wrote to memory of 1700	560	yjbi.exe	29
PID 560 wrote to memory of 1700	560	yjbi.exe	29
PID 1700 wrote to memory of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	31
PID 1700 wrote to memory of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	31
PID 1700 wrote to memory of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	31
PID 1700 wrote to memory of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	31
PID 1700 wrote to memory of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	31
PID 1700 wrote to memory of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	31
PID 1700 wrote to memory of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	31
PID 1700 wrote to memory of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe	31
PID 1700 wrote to memory of 3000	1700	5e4d4c7a75e96dd92eaf1533c45d228b_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:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5e4d4c7a75e96dd92eaf1533c45d228b_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Users\Admin\AppData\Roaming\Duyj\yjbi.exe
    "C:\Users\Admin\AppData\Roaming\Duyj\yjbi.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:560
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp538108af.bat"
    3⤵
    - Deletes itself
    PID:3000

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1552

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\tmp538108af.bat

Filesize
271B

MD5
8e529553a51d25cd2ab2ac534c304edd

SHA1
9b657367106e2656e57998a6bd36c978927aa402

SHA256
72ac6d9b141717101af4d994c98801930eb06e12b10fa96f9d1981f998eb521f

SHA512
553a4687eae52aab6d9fb0dd7ee814f8be15aafe6cb51ff224cdc5dd510f0d52367909487787d3cd7d5999441d591d2ac26bc24292ef0872e56eada52804c2fd

Download Submit
\Users\Admin\AppData\Roaming\Duyj\yjbi.exe

Filesize
298KB

MD5
88854d12827213c3ef6661246fcdcdfd

SHA1
2c4ed3ba65345f988dafb2962aa1df9bcedf8fe4

SHA256
01afc69aaa86934b3aa855db2b324cb3234a3506c8cc17bbc934ed7093c41218

SHA512
b8d43e22245c2b82080a6d57089264dc2555099d77c947343df18db0fc98248a5dd068a7e72acbf8a8ab28f93d5a9483bf2f40cdac5afa4cf83cb48a8b65ad12

Download Submit
memory/560-45-0x00000000003B0000-0x00000000003FC000-memory.dmp

Filesize
304KB

Download
memory/560-274-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/560-44-0x00000000002A0000-0x00000000002E2000-memory.dmp

Filesize
264KB

Download
memory/560-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1108-14-0x0000000000320000-0x0000000000362000-memory.dmp

Filesize
264KB

Download
memory/1108-13-0x0000000000320000-0x0000000000362000-memory.dmp

Filesize
264KB

Download
memory/1108-15-0x0000000000320000-0x0000000000362000-memory.dmp

Filesize
264KB

Download
memory/1108-16-0x0000000000320000-0x0000000000362000-memory.dmp

Filesize
264KB

Download
memory/1108-17-0x0000000000320000-0x0000000000362000-memory.dmp

Filesize
264KB

Download
memory/1156-20-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1156-22-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1156-24-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1156-26-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1188-30-0x0000000002590000-0x00000000025D2000-memory.dmp

Filesize
264KB

Download
memory/1188-32-0x0000000002590000-0x00000000025D2000-memory.dmp

Filesize
264KB

Download
memory/1188-31-0x0000000002590000-0x00000000025D2000-memory.dmp

Filesize
264KB

Download
memory/1188-29-0x0000000002590000-0x00000000025D2000-memory.dmp

Filesize
264KB

Download
memory/1552-35-0x0000000001EA0000-0x0000000001EE2000-memory.dmp

Filesize
264KB

Download
memory/1552-34-0x0000000001EA0000-0x0000000001EE2000-memory.dmp

Filesize
264KB

Download
memory/1552-37-0x0000000001EA0000-0x0000000001EE2000-memory.dmp

Filesize
264KB

Download
memory/1552-36-0x0000000001EA0000-0x0000000001EE2000-memory.dmp

Filesize
264KB

Download
memory/1700-53-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-1-0x0000000000450000-0x000000000049C000-memory.dmp

Filesize
304KB

Download
memory/1700-56-0x0000000077070000-0x0000000077071000-memory.dmp

Filesize
4KB

Download
memory/1700-55-0x0000000001E40000-0x0000000001E82000-memory.dmp

Filesize
264KB

Download
memory/1700-67-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-65-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-79-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-77-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-131-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-75-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-73-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-71-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-69-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-47-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-51-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-49-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-57-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-59-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-63-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-61-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1700-39-0x0000000001E40000-0x0000000001E82000-memory.dmp

Filesize
264KB

Download
memory/1700-40-0x0000000001E40000-0x0000000001E82000-memory.dmp

Filesize
264KB

Download
memory/1700-41-0x0000000001E40000-0x0000000001E82000-memory.dmp

Filesize
264KB

Download
memory/1700-42-0x0000000001E40000-0x0000000001E82000-memory.dmp

Filesize
264KB

Download
memory/1700-43-0x0000000001E40000-0x0000000001E82000-memory.dmp

Filesize
264KB

Download
memory/1700-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1700-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1700-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1700-154-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1700-153-0x0000000000450000-0x000000000049C000-memory.dmp

Filesize
304KB

Download
memory/1700-155-0x0000000001E40000-0x0000000001E82000-memory.dmp

Filesize
264KB

Download
memory/1700-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1700-0-0x0000000000370000-0x00000000003B2000-memory.dmp

Filesize
264KB

Download