7b257a12584e1984f0031e748bd5f744c6138fe58f9669f945997006fb8e6dea

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 05:30

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General

Target

b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe
Size

364KB
MD5

b6832846d9d436f6c8e99886e4577669
SHA1

e59dbad6ce16f5a08401e1c5943373e05ec1ac61
SHA256

7b257a12584e1984f0031e748bd5f744c6138fe58f9669f945997006fb8e6dea
SHA512

9ce757f4fa40eeaf6703e931dd1a79043d92b417a2266c89c4c3e52be5313b91a7b4c8cc54765b94cbc7833b4f64c7990f0676f99445e9643a60d47477900b5c
SSDEEP

6144:MbCdhdyzFF7IX0zE9NKFEWNFfK4CS0NwI52+fFBFFrkiw:Mmd3W7IXxcXNkjN5Zf1Frc

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
316	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2188	upgyt.exe

Loads dropped DLL 2 IoCs

pid	Process
2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe
2152	b6832846d9d436f6c8e99886e4577669_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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\{F4363D88-6FEF-AD4F-FCEF-4765F9626478} = "C:\\Users\\Admin\\AppData\\Roaming\\Syim\\upgyt.exe"	upgyt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2152 set thread context of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29

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	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	upgyt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Internet Explorer\Privacy	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe
2188	upgyt.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe
2188	upgyt.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2188	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2188	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2188	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2188	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	28
PID 2188 wrote to memory of 1084	2188	upgyt.exe	18
PID 2188 wrote to memory of 1084	2188	upgyt.exe	18
PID 2188 wrote to memory of 1084	2188	upgyt.exe	18
PID 2188 wrote to memory of 1084	2188	upgyt.exe	18
PID 2188 wrote to memory of 1084	2188	upgyt.exe	18
PID 2188 wrote to memory of 1144	2188	upgyt.exe	19
PID 2188 wrote to memory of 1144	2188	upgyt.exe	19
PID 2188 wrote to memory of 1144	2188	upgyt.exe	19
PID 2188 wrote to memory of 1144	2188	upgyt.exe	19
PID 2188 wrote to memory of 1144	2188	upgyt.exe	19
PID 2188 wrote to memory of 1196	2188	upgyt.exe	21
PID 2188 wrote to memory of 1196	2188	upgyt.exe	21
PID 2188 wrote to memory of 1196	2188	upgyt.exe	21
PID 2188 wrote to memory of 1196	2188	upgyt.exe	21
PID 2188 wrote to memory of 1196	2188	upgyt.exe	21
PID 2188 wrote to memory of 548	2188	upgyt.exe	23
PID 2188 wrote to memory of 548	2188	upgyt.exe	23
PID 2188 wrote to memory of 548	2188	upgyt.exe	23
PID 2188 wrote to memory of 548	2188	upgyt.exe	23
PID 2188 wrote to memory of 548	2188	upgyt.exe	23
PID 2188 wrote to memory of 2152	2188	upgyt.exe	27
PID 2188 wrote to memory of 2152	2188	upgyt.exe	27
PID 2188 wrote to memory of 2152	2188	upgyt.exe	27
PID 2188 wrote to memory of 2152	2188	upgyt.exe	27
PID 2188 wrote to memory of 2152	2188	upgyt.exe	27
PID 2152 wrote to memory of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29
PID 2152 wrote to memory of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29
PID 2152 wrote to memory of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29
PID 2152 wrote to memory of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29
PID 2152 wrote to memory of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29
PID 2152 wrote to memory of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29
PID 2152 wrote to memory of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29
PID 2152 wrote to memory of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29
PID 2152 wrote to memory of 316	2152	b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe	29
PID 2188 wrote to memory of 2512	2188	upgyt.exe	33
PID 2188 wrote to memory of 2512	2188	upgyt.exe	33
PID 2188 wrote to memory of 2512	2188	upgyt.exe	33
PID 2188 wrote to memory of 2512	2188	upgyt.exe	33
PID 2188 wrote to memory of 2512	2188	upgyt.exe	33

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1144

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b6832846d9d436f6c8e99886e4577669_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Users\Admin\AppData\Roaming\Syim\upgyt.exe
    "C:\Users\Admin\AppData\Roaming\Syim\upgyt.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2188
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp6cfe738c.bat"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:316

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:548

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:2512

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6cfe738c.bat

Filesize
271B

MD5
9c1406065527c1465fa6bb8b4ff25564

SHA1
14b1f1699eb6d107d050b1a96110d785e32c6be0

SHA256
320b5544cf9e50266cc54a1cf220ed8c77e3b404651fae6872ffb40d7d23de23

SHA512
a1b8262297555b75735b1f3367eb62c06555b2739976a968941279cc192061bb14768f2bad1aae096a876f9ddeaf6e33b7e50349562e5b84f17bc7b98817b0ca

Download Submit
\Users\Admin\AppData\Roaming\Syim\upgyt.exe

Filesize
364KB

MD5
de4b0dd4a0f591b7624e09ba7fe2b3d1

SHA1
218aa7914d0e2e294a378641cec4be834162eaaf

SHA256
dfa734e11a77d3ee067cfbfeb48d3a1d67f1430361b1c3409be4f1af81377a7b

SHA512
d2eff2532e537b16d43b61a3134629b6678f1c11e04f754881545d6040290de9d2203d4f2ce1467abf0e4628dba9961ace5cd744fc493f04446fa9926b69dbb6

Download Submit
memory/548-43-0x0000000001E70000-0x0000000001EB4000-memory.dmp

Filesize
272KB

Download
memory/548-42-0x0000000001E70000-0x0000000001EB4000-memory.dmp

Filesize
272KB

Download
memory/548-41-0x0000000001E70000-0x0000000001EB4000-memory.dmp

Filesize
272KB

Download
memory/548-40-0x0000000001E70000-0x0000000001EB4000-memory.dmp

Filesize
272KB

Download
memory/1084-19-0x0000000002220000-0x0000000002264000-memory.dmp

Filesize
272KB

Download
memory/1084-27-0x0000000002220000-0x0000000002264000-memory.dmp

Filesize
272KB

Download
memory/1084-25-0x0000000002220000-0x0000000002264000-memory.dmp

Filesize
272KB

Download
memory/1084-23-0x0000000002220000-0x0000000002264000-memory.dmp

Filesize
272KB

Download
memory/1084-21-0x0000000002220000-0x0000000002264000-memory.dmp

Filesize
272KB

Download
memory/1144-30-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1144-31-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1144-32-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1144-33-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1196-35-0x0000000002510000-0x0000000002554000-memory.dmp

Filesize
272KB

Download
memory/1196-36-0x0000000002510000-0x0000000002554000-memory.dmp

Filesize
272KB

Download
memory/1196-37-0x0000000002510000-0x0000000002554000-memory.dmp

Filesize
272KB

Download
memory/1196-38-0x0000000002510000-0x0000000002554000-memory.dmp

Filesize
272KB

Download
memory/2152-80-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-76-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-66-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-64-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-62-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-60-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-58-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-56-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-54-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-52-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-50-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-49-0x0000000000800000-0x0000000000844000-memory.dmp

Filesize
272KB

Download
memory/2152-48-0x0000000000800000-0x0000000000844000-memory.dmp

Filesize
272KB

Download
memory/2152-47-0x0000000000800000-0x0000000000844000-memory.dmp

Filesize
272KB

Download
memory/2152-46-0x0000000000800000-0x0000000000844000-memory.dmp

Filesize
272KB

Download
memory/2152-45-0x0000000000800000-0x0000000000844000-memory.dmp

Filesize
272KB

Download
memory/2152-70-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-72-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-74-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-68-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-78-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-0-0x00000000006C0000-0x0000000000704000-memory.dmp

Filesize
272KB

Download
memory/2152-134-0x0000000000800000-0x0000000000844000-memory.dmp

Filesize
272KB

Download
memory/2152-135-0x0000000077610000-0x0000000077611000-memory.dmp

Filesize
4KB

Download
memory/2152-136-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2152-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2152-159-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2152-160-0x0000000000710000-0x000000000076C000-memory.dmp

Filesize
368KB

Download
memory/2152-1-0x0000000000710000-0x000000000076C000-memory.dmp

Filesize
368KB

Download
memory/2152-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2152-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2152-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2152-161-0x0000000000800000-0x0000000000844000-memory.dmp

Filesize
272KB

Download
memory/2188-16-0x0000000000280000-0x00000000002C4000-memory.dmp

Filesize
272KB

Download
memory/2188-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2188-17-0x00000000003A0000-0x00000000003FC000-memory.dmp

Filesize
368KB

Download
memory/2188-283-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download