9befa4ef0d9cf3068b4ed3d5e3771847aeedf74979a55c49e85a85eee1cb83a9

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 07:23

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General

Target

6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe
Size

1.2MB
MD5

6dbbc38e0855d4e72b4926d9e12598e6
SHA1

77afbbced59f720992f948e2fa81d2bda3692697
SHA256

9befa4ef0d9cf3068b4ed3d5e3771847aeedf74979a55c49e85a85eee1cb83a9
SHA512

1851e205793d3d57ac719dfb22eb3e0f8b0e170d0e650662007801cb4f64c48eea5a4338e861f69b06f909523f896631b2ec8831fbaebfad8ccd7230f3a69c9b
SSDEEP

24576:eqq1V8k+0keaB1CyKu2wmEC6IZgnPDSPE1J3HCP8uIhCZ:ejQw4M/u2wFpnPDIE1ZCP8ueO

Score

8^/10

evasion execution persistence upx

Malware Config

Signatures

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 1 IoCs

pid	Process
2412	Client.exe

Loads dropped DLL 5 IoCs

pid	Process
348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe
348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe
348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe
348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe
348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe

UPX packed file 16 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0007000000014352-23.dat	upx
behavioral1/memory/2412-24-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-53-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-54-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-55-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-56-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-57-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-58-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-59-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-60-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-61-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-62-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-63-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-64-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-65-0x0000000000400000-0x00000000008A9000-memory.dmp	upx
behavioral1/memory/2412-66-0x0000000000400000-0x00000000008A9000-memory.dmp	upx

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\HhSm\parameters.ini	Client.exe
File created	C:\Windows\HhSm\debug.txt	Client.exe
File opened for modification	C:\Windows\HhSm\debug.txt	Client.exe
File created	C:\Windows\HhSm\parameters.ini	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe
File created	C:\Windows\HhSm\Client.exe	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2696	sc.exe
2768	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2844	timeout.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2412	Client.exe
2412	Client.exe
2412	Client.exe
2412	Client.exe
2412	Client.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	Client.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2412	Client.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 348 wrote to memory of 1712	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	28
PID 348 wrote to memory of 1712	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	28
PID 348 wrote to memory of 1712	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	28
PID 348 wrote to memory of 1712	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	28
PID 1712 wrote to memory of 2584	1712	cmd.exe	30
PID 1712 wrote to memory of 2584	1712	cmd.exe	30
PID 1712 wrote to memory of 2584	1712	cmd.exe	30
PID 1712 wrote to memory of 2584	1712	cmd.exe	30
PID 2584 wrote to memory of 1636	2584	net.exe	31
PID 2584 wrote to memory of 1636	2584	net.exe	31
PID 2584 wrote to memory of 1636	2584	net.exe	31
PID 2584 wrote to memory of 1636	2584	net.exe	31
PID 348 wrote to memory of 2632	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	32
PID 348 wrote to memory of 2632	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	32
PID 348 wrote to memory of 2632	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	32
PID 348 wrote to memory of 2632	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	32
PID 2632 wrote to memory of 2696	2632	cmd.exe	34
PID 2632 wrote to memory of 2696	2632	cmd.exe	34
PID 2632 wrote to memory of 2696	2632	cmd.exe	34
PID 2632 wrote to memory of 2696	2632	cmd.exe	34
PID 348 wrote to memory of 2688	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	35
PID 348 wrote to memory of 2688	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	35
PID 348 wrote to memory of 2688	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	35
PID 348 wrote to memory of 2688	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	35
PID 2688 wrote to memory of 2844	2688	cmd.exe	37
PID 2688 wrote to memory of 2844	2688	cmd.exe	37
PID 2688 wrote to memory of 2844	2688	cmd.exe	37
PID 2688 wrote to memory of 2844	2688	cmd.exe	37
PID 348 wrote to memory of 2500	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	38
PID 348 wrote to memory of 2500	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	38
PID 348 wrote to memory of 2500	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	38
PID 348 wrote to memory of 2500	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	38
PID 2500 wrote to memory of 2768	2500	cmd.exe	40
PID 2500 wrote to memory of 2768	2500	cmd.exe	40
PID 2500 wrote to memory of 2768	2500	cmd.exe	40
PID 2500 wrote to memory of 2768	2500	cmd.exe	40
PID 348 wrote to memory of 2724	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	41
PID 348 wrote to memory of 2724	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	41
PID 348 wrote to memory of 2724	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	41
PID 348 wrote to memory of 2724	348	6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe	41
PID 2724 wrote to memory of 2628	2724	cmd.exe	43
PID 2724 wrote to memory of 2628	2724	cmd.exe	43
PID 2724 wrote to memory of 2628	2724	cmd.exe	43
PID 2724 wrote to memory of 2628	2724	cmd.exe	43
PID 2628 wrote to memory of 2656	2628	net.exe	44
PID 2628 wrote to memory of 2656	2628	net.exe	44
PID 2628 wrote to memory of 2656	2628	net.exe	44
PID 2628 wrote to memory of 2656	2628	net.exe	44

C:\Users\Admin\AppData\Local\Temp\6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6dbbc38e0855d4e72b4926d9e12598e6_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:348
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C net stop AdobeFlashPlayerHash
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1712
- - C:\Windows\SysWOW64\net.exe
    net stop AdobeFlashPlayerHash
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2584
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop AdobeFlashPlayerHash
      4⤵
      PID:1636
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C Sc delete AdobeFlashPlayerHash
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\SysWOW64\sc.exe
    Sc delete AdobeFlashPlayerHash
    3⤵
    - Launches sc.exe
    PID:2696
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C TIMEOUT 2
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\timeout.exe
    TIMEOUT 2
    3⤵
    - Delays execution with timeout.exe
    PID:2844
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C Sc create AdobeFlashPlayerHash binpath= C:\Windows\HhSm\Client.exe start= auto
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\sc.exe
    Sc create AdobeFlashPlayerHash binpath= C:\Windows\HhSm\Client.exe start= auto
    3⤵
    - Launches sc.exe
    PID:2768
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C net start AdobeFlashPlayerHash
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\net.exe
    net start AdobeFlashPlayerHash
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2628
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start AdobeFlashPlayerHash
      4⤵
      PID:2656

C:\Windows\HhSm\Client.exe
C:\Windows\HhSm\Client.exe
1⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Windows\HhSm\Client.exe

Filesize
1.2MB

MD5
baf2c6ff6a22b75e28d0181dad88c8b8

SHA1
98ba3a31f648ce0c4874e77444fab090e9742cd9

SHA256
bd792fc304c010dc963dcec7083c2e7877fdd35f51b2a129e586d3464f698db0

SHA512
0d773a9d6bb4fc96ccc813910c136eb636d59193ae86f0dfd274147798cfa40048196e34b72b7d149df24913d22c239c5cb609be539e2f8dc633f4579790862c

Download Submit
C:\Windows\HhSm\parameters.ini

Filesize
223B

MD5
49cec6a3049fb57389b741649c4e609c

SHA1
5d8083cf3028c111e3936e1f78b00194c5e04288

SHA256
9f313143048df4a358c6904659370408d4425733247fef8885f49c11b02b4f65

SHA512
7cf0fdcaa55d6b4f48b224435e508cd29bca6737a8a2391e094a57ef9f1791c2c5c54f076fb2f991a378bb7ae71a818277d748756b7b3124e3e0dc5502fdde9c

Download Submit
C:\Windows\HhSm\parameters.ini

Filesize
193B

MD5
77803e8762552660a93ea830f0da6487

SHA1
fef71d9654b182d39ce3cdd220bd22a4f7662e2a

SHA256
85af2b2ea060c27589dc84d590ea4cb0e36f5afbfb7bcfa095b00037b02a2b24

SHA512
59a6b58e0535d4498bf17f3699bb55138aacc2dc68b73bba1b755365f885a0f23c04639146af7ec56ccf26793183fc004c1a70db27a6599d18474e8a38d6a0b3

Download Submit
\Users\Admin\AppData\Local\Temp\nst11FC.tmp\nsExec.dll

Filesize
6KB

MD5
b5a1f9dc73e2944a388a61411bdd8c70

SHA1
dc9b20df3f3810c2e81a0c54dea385704ba8bef7

SHA256
288100583f65a2b7acfc0c7e231c0e268c58d3067675543f627c01e82f6fd884

SHA512
b9c8d71b5da00f2aff7847b9ec3bd8a588afeb525f47a0df235b52f7b2233edb3928a2c8e0b493f287c923cc52a340ad6fee99822595d6591df0e97870de92a8

Download Submit
memory/2412-56-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-59-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-54-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-55-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-24-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-57-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-58-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-53-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-60-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-61-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-62-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-63-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-64-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-65-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download
memory/2412-66-0x0000000000400000-0x00000000008A9000-memory.dmp

Filesize
4.7MB

Download