bcbb6058b0cab0deb6492a5d9ed251885ee832cde6a4ba04e73dd9bc349b8e64

Analysis

max time kernel
150s
max time network
137s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 20:39

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General

Target

87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe
Size

292KB
MD5

87979f4810340fa4479e75a5357bb337
SHA1

9c930c02dd0f45071cdba89b5996d5094d49d9b0
SHA256

bcbb6058b0cab0deb6492a5d9ed251885ee832cde6a4ba04e73dd9bc349b8e64
SHA512

9ce3cb4752a6ec3895467b93ae357faef50c7dd0043facdeae3a0d54097feef1e13ea63cd15ad293fb125511beb14aa867b1d29e42333052216e4512c8e1b766
SSDEEP

6144:/X1lvdqWLqOK+/B5RyaynzgvGq6JhW7PQgtm0DTN2:/X1/zLX/B5YzFHstmH

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2632	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2400	gyryu.exe

Loads dropped DLL 2 IoCs

pid	Process
1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe
1656	87979f4810340fa4479e75a5357bb337_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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\{36F482E8-6FE9-AD4F-5F98-37194FCB1404} = "C:\\Users\\Admin\\AppData\\Roaming\\Ixmyx\\gyryu.exe"	gyryu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32

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	87979f4810340fa4479e75a5357bb337_JaffaCakes118.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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Privacy	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe
2400	gyryu.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe
Token: SeSecurityPrivilege	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe
Token: SeSecurityPrivilege	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe
2400	gyryu.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2400	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	31
PID 1656 wrote to memory of 2400	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	31
PID 1656 wrote to memory of 2400	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	31
PID 1656 wrote to memory of 2400	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	31
PID 2400 wrote to memory of 1072	2400	gyryu.exe	18
PID 2400 wrote to memory of 1072	2400	gyryu.exe	18
PID 2400 wrote to memory of 1072	2400	gyryu.exe	18
PID 2400 wrote to memory of 1072	2400	gyryu.exe	18
PID 2400 wrote to memory of 1072	2400	gyryu.exe	18
PID 2400 wrote to memory of 1152	2400	gyryu.exe	20
PID 2400 wrote to memory of 1152	2400	gyryu.exe	20
PID 2400 wrote to memory of 1152	2400	gyryu.exe	20
PID 2400 wrote to memory of 1152	2400	gyryu.exe	20
PID 2400 wrote to memory of 1152	2400	gyryu.exe	20
PID 2400 wrote to memory of 1184	2400	gyryu.exe	21
PID 2400 wrote to memory of 1184	2400	gyryu.exe	21
PID 2400 wrote to memory of 1184	2400	gyryu.exe	21
PID 2400 wrote to memory of 1184	2400	gyryu.exe	21
PID 2400 wrote to memory of 1184	2400	gyryu.exe	21
PID 2400 wrote to memory of 2012	2400	gyryu.exe	23
PID 2400 wrote to memory of 2012	2400	gyryu.exe	23
PID 2400 wrote to memory of 2012	2400	gyryu.exe	23
PID 2400 wrote to memory of 2012	2400	gyryu.exe	23
PID 2400 wrote to memory of 2012	2400	gyryu.exe	23
PID 2400 wrote to memory of 1656	2400	gyryu.exe	30
PID 2400 wrote to memory of 1656	2400	gyryu.exe	30
PID 2400 wrote to memory of 1656	2400	gyryu.exe	30
PID 2400 wrote to memory of 1656	2400	gyryu.exe	30
PID 2400 wrote to memory of 1656	2400	gyryu.exe	30
PID 1656 wrote to memory of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32
PID 1656 wrote to memory of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32
PID 1656 wrote to memory of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32
PID 1656 wrote to memory of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32
PID 1656 wrote to memory of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32
PID 1656 wrote to memory of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32
PID 1656 wrote to memory of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32
PID 1656 wrote to memory of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32
PID 1656 wrote to memory of 2632	1656	87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe	32

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\87979f4810340fa4479e75a5357bb337_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Users\Admin\AppData\Roaming\Ixmyx\gyryu.exe
    "C:\Users\Admin\AppData\Roaming\Ixmyx\gyryu.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2400
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp783d9a59.bat"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2632

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2012

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\tmp783d9a59.bat

Filesize
271B

MD5
782cef3276d52570adef53891aa67ab6

SHA1
62693e6cc57a6eada36643a9244aba9283473f93

SHA256
f29d86af5cc4374a6d2f286311e302776c8c22a884df35e4dd6e6abd3927c8df

SHA512
4cb6d864110c73dc6be873cb74ad0e567ab5939ac7f86442b82b7cc3dc96e53689855d85154ba78dc68850da93f7935dcccd32f509688ec74a4d864e45fe2eef

Download Submit
C:\Users\Admin\AppData\Roaming\Yjrary\ujpa.ula

Filesize
380B

MD5
9d6c45621380b14ce77b9a45d2c2820f

SHA1
ff937feda0a13d354aed7a94a9ee732e311ea68c

SHA256
af00a2dbc9b28da18b75655891908536f54a8375937373b2864131571f85cc67

SHA512
37c9486fce5c570724d8116cec2a8e33c34c9879d27c6b9ab8c525f9c91388b3cc9bef013e00ffe387260492b7e59cb0411e84e22b9fb32b4d5b56ff3725cbcc

Download Submit
\Users\Admin\AppData\Roaming\Ixmyx\gyryu.exe

Filesize
292KB

MD5
c07636ecf10f1e411c7c38798a001387

SHA1
2d28d3f9157d91b48d898bf2a531652596cfbb73

SHA256
ecfd63b9dc15d876a51eeb0da276df6d2ca8ce37380c45e1fb9ae05093b5f080

SHA512
9cd59290e54831028bce47b8169c3c02b7c7ec768a1ef2214043323970c5fdda0318f0dd7a553396516805c85314cd3400a81b306d646579ade7e09e9157a88d

Download Submit
memory/1072-25-0x00000000021C0000-0x0000000002201000-memory.dmp

Filesize
260KB

Download
memory/1072-19-0x00000000021C0000-0x0000000002201000-memory.dmp

Filesize
260KB

Download
memory/1072-27-0x00000000021C0000-0x0000000002201000-memory.dmp

Filesize
260KB

Download
memory/1072-21-0x00000000021C0000-0x0000000002201000-memory.dmp

Filesize
260KB

Download
memory/1072-23-0x00000000021C0000-0x0000000002201000-memory.dmp

Filesize
260KB

Download
memory/1152-30-0x0000000001EE0000-0x0000000001F21000-memory.dmp

Filesize
260KB

Download
memory/1152-31-0x0000000001EE0000-0x0000000001F21000-memory.dmp

Filesize
260KB

Download
memory/1152-32-0x0000000001EE0000-0x0000000001F21000-memory.dmp

Filesize
260KB

Download
memory/1152-33-0x0000000001EE0000-0x0000000001F21000-memory.dmp

Filesize
260KB

Download
memory/1184-38-0x0000000002DA0000-0x0000000002DE1000-memory.dmp

Filesize
260KB

Download
memory/1184-35-0x0000000002DA0000-0x0000000002DE1000-memory.dmp

Filesize
260KB

Download
memory/1184-36-0x0000000002DA0000-0x0000000002DE1000-memory.dmp

Filesize
260KB

Download
memory/1184-37-0x0000000002DA0000-0x0000000002DE1000-memory.dmp

Filesize
260KB

Download
memory/1656-76-0x00000000777D0000-0x00000000777D1000-memory.dmp

Filesize
4KB

Download
memory/1656-79-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-71-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-69-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-67-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-65-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-63-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-61-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-59-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-57-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-55-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-54-0x0000000001CE0000-0x0000000001D21000-memory.dmp

Filesize
260KB

Download
memory/1656-53-0x0000000001CE0000-0x0000000001D21000-memory.dmp

Filesize
260KB

Download
memory/1656-52-0x0000000001CE0000-0x0000000001D21000-memory.dmp

Filesize
260KB

Download
memory/1656-51-0x0000000001CE0000-0x0000000001D21000-memory.dmp

Filesize
260KB

Download
memory/1656-50-0x0000000001CE0000-0x0000000001D21000-memory.dmp

Filesize
260KB

Download
memory/1656-0-0x0000000001B90000-0x0000000001BD1000-memory.dmp

Filesize
260KB

Download
memory/1656-2-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1656-77-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-75-0x0000000001CE0000-0x0000000001D21000-memory.dmp

Filesize
260KB

Download
memory/1656-81-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-1-0x0000000001BE0000-0x0000000001C2D000-memory.dmp

Filesize
308KB

Download
memory/1656-73-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-163-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1656-164-0x0000000001CE0000-0x0000000001D21000-memory.dmp

Filesize
260KB

Download
memory/1656-162-0x0000000001BE0000-0x0000000001C2D000-memory.dmp

Filesize
308KB

Download
memory/1656-138-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1656-3-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1656-4-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1656-5-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2012-47-0x0000000001F70000-0x0000000001FB1000-memory.dmp

Filesize
260KB

Download
memory/2012-45-0x0000000001F70000-0x0000000001FB1000-memory.dmp

Filesize
260KB

Download
memory/2012-42-0x0000000001F70000-0x0000000001FB1000-memory.dmp

Filesize
260KB

Download
memory/2012-43-0x0000000001F70000-0x0000000001FB1000-memory.dmp

Filesize
260KB

Download
memory/2400-15-0x0000000000270000-0x00000000002B1000-memory.dmp

Filesize
260KB

Download
memory/2400-18-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2400-16-0x00000000002D0000-0x000000000031D000-memory.dmp

Filesize
308KB

Download
memory/2400-283-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download