be5d61b1d8b086ca497b5b514be0cadf81c739d89fbea472f5ae2f216255ebe7

Analysis

max time kernel
144s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 03:00

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General

Target

29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe
Size

308KB
MD5

29a0837edfa46ec5cacf0304f52547f2
SHA1

6352b7b54135e4009fa2cb1effdd2cde11780b1b
SHA256

be5d61b1d8b086ca497b5b514be0cadf81c739d89fbea472f5ae2f216255ebe7
SHA512

a9d56d5be289112e8c35af5f99b28de88f8a0eef7d567926d10cfad0a62c57719f83eec6d066d8ac337eda624ff8e2d1c92a3720abe62b0135489b6fcac331a3
SSDEEP

6144:S9k1/S4wVe34PFe6UyZtnl7Hse6UyZtncsLDcZbBy:ck1/SPrFntnlDseotnc2Dy

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	core_keygen.exe

Executes dropped EXE 2 IoCs

pid	Process
1952	svchost.exe
4992	core_keygen.exe

Loads dropped DLL 7 IoCs

pid	Process
1952	svchost.exe
1952	svchost.exe
1952	svchost.exe
1952	svchost.exe
1952	svchost.exe
1952	svchost.exe
1952	svchost.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\messenger.exe = "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\Web Components\\messenger.exe"	svchost.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023c97-7.dat	upx
behavioral2/memory/4992-9-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-49-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-50-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-54-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-57-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-61-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-65-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-68-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-72-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-75-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-79-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-83-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-86-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-90-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-93-0x0000000000400000-0x000000000049D000-memory.dmp	upx
behavioral2/memory/4992-97-0x0000000000400000-0x000000000049D000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\Microsoft Shared\Web Components\messenger.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\Web Components\messenger.exe	svchost.exe

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

System Information Discovery
T1082

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	core_keygen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

NSIS installer 4 IoCs

installer

resource	yara_rule
behavioral2/files/0x000b000000023c8f-5.dat	nsis_installer_1
behavioral2/files/0x000b000000023c8f-5.dat	nsis_installer_2
behavioral2/files/0x0008000000023c98-14.dat	nsis_installer_1
behavioral2/files/0x0008000000023c98-14.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4992	core_keygen.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3480	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3480	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1952	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1952	1148	29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe	85
PID 1148 wrote to memory of 1952	1148	29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe	85
PID 1148 wrote to memory of 1952	1148	29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe	85
PID 1148 wrote to memory of 4992	1148	29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe	86
PID 1148 wrote to memory of 4992	1148	29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe	86
PID 1148 wrote to memory of 4992	1148	29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\29a0837edfa46ec5cacf0304f52547f2_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  PID:1952
- C:\Users\Admin\AppData\Local\Temp\core_keygen.exe
  C:\Users\Admin\AppData\Local\Temp\core_keygen.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4992

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x504 0x4f0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3480

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\core_keygen.exe

Filesize
77KB

MD5
32548830857307e3137eeffa8accd38b

SHA1
9730ea50a858842f96bee154d05498dec9064a68

SHA256
8b70fec7c2302d2d84a2c4a12da9b5b2819bb0ffb579a8b55da67d36c8bed7ee

SHA512
5e773ada78c7492a178d2d23e9df53f45bc55dad3f0b7ee179266c92919fdc41e601983e4d7cde69094d5468ec41d1e0c434df20b5f529fb5f909eba172b0bf2

Download Submit
C:\Users\Admin\AppData\Local\Temp\nslADB6.tmp\NSISArray.dll

Filesize
19KB

MD5
14b848866035dea39b912da628307231

SHA1
d00c8963aee8038d8a22f098cef69b31007196e5

SHA256
6a129a9eefae85a9412e889e0c74fdaa21d20254fa13cacef5429885775017dc

SHA512
4538058426c742bf7d823d1cac5303eeff8bf0b524459262181ac79695eead705e7590ae63ce996b8e3afd9a6c8d1fec503f9a11772ebe5c5c4e01930ed97b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\nslADB6.tmp\NSISdl.dll

Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
168KB

MD5
d5889a5d5c2ddc54645a2838e83f957f

SHA1
58db610b9ab09e0b361455a7687b0d6b3a822dd5

SHA256
d7c6324c8db5372ab2422eea5a3bf25665d92af421e3bbe63aec7f2ba0cd571e

SHA512
0a3a53d1f473a6d31647afed30721e7eb2d54bc615f67d457f62a6dff8c8fa0ef2b035eeebf2ab03d053d370e778940e00e62c2fdb258d604f9b43182316ffe1

Download Submit
C:\Windows\System32\drivers\etc\hosts

Filesize
1KB

MD5
63ac5683c8f3b3e56d745fc5703447d2

SHA1
9f820feefe58177bfaea0721b10b44b9622473f7

SHA256
2b1e1f839137a4410387102d923d953f85a9edf9efd3cfa1b7989b4f4fdc2a6d

SHA512
633f48541e8d25a29ec70f192d145af0e067a5fc6db47aa00194861cdd923074b76d299a18e73cadc1ee5987a2f5bc2e147f181408c398bcf2e5f460a29b5b2a

Download Submit
C:\messenger.exe

Filesize
91KB

MD5
9247535b33135fb573a16b17beba7282

SHA1
8db9ac95226b3176a715533f933712e6212630e3

SHA256
2997c0be3cfc06d7953a3b7dda82e5b9333649ec8ff72c0df98703a0caa46a96

SHA512
01115dbf367137f416d580f4a95597ada82e0cbdf3819012cb8c9a2ba79d785774804f315016303170d0eb18aa457ca02442010ff4b89238d1690b611f449311

Download Submit
memory/1148-48-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4992-57-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-68-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-54-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-49-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-9-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-61-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-65-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-50-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-72-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-75-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-79-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-83-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-86-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-90-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-93-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/4992-97-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads