ardamax | 1de545d46ee31e37d2fb6686a1ce9896cc7d46d1b29484ac771c64cb80ee3c63

Analysis

max time kernel
150s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 11:44

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General

Target

39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
Size

1.3MB
MD5

39d64dc22fe4e4c221f0cdb5efabc767
SHA1

2fc5e956b3d6cdb9b17f40b3edd547ffcc17859d
SHA256

1de545d46ee31e37d2fb6686a1ce9896cc7d46d1b29484ac771c64cb80ee3c63
SHA512

a350aea72f5634dcefd94832b0dd0dc9ba5eae3c17263472cf402f62a41db924934da92dd31e6b52f454a661e7d738f2f67646ed02a99f59fbed814da41e62e8
SSDEEP

24576:tbPTVJrfUUwlkHiuh55B1hE/yW9OQZ5R79cR+/A8UJurlCziR0DwkwDdph:t7TVJr86Cut+/yWlJ7f4Upk+dp

Score

10^/10

ardamax discovery keylogger persistence stealer upx

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000016c7b-6.dat	family_ardamax

Executes dropped EXE 2 IoCs

pid	Process
2800	PKL.exe
2108	Perx.exe

Loads dropped DLL 6 IoCs

pid	Process
2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
2800	PKL.exe
2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
2108	Perx.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\PKL Start = "C:\\Windows\\SysWOW64\\RCBYOB\\PKL.exe"	PKL.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\RCBYOB\PKL.exe	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\RCBYOB\	PKL.exe
File created	C:\Windows\SysWOW64\RCBYOB\PKL.004	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\RCBYOB\PKL.001	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\RCBYOB\PKL.002	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\RCBYOB\AKV.exe	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000016c84-19.dat	upx
behavioral1/memory/2372-26-0x0000000000A00000-0x0000000000AB5000-memory.dmp	upx
behavioral1/memory/2108-32-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

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	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PKL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Perx.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe
2108	Perx.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2800	PKL.exe
Token: SeIncBasePriorityPrivilege	2800	PKL.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2800	PKL.exe
2800	PKL.exe
2800	PKL.exe
2800	PKL.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2800	2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2800	2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2800	2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2800	2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2108	2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2108	2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2108	2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2108	2372	39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39d64dc22fe4e4c221f0cdb5efabc767_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\RCBYOB\PKL.exe
  "C:\Windows\system32\RCBYOB\PKL.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2800
- C:\Users\Admin\AppData\Local\Temp\Perx.exe
  "C:\Users\Admin\AppData\Local\Temp\Perx.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2108

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

Query Registry

T1012

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:\Windows\SysWOW64\RCBYOB\AKV.exe

Filesize
448KB

MD5
c49125a39e0ae69b1cc77040ba8a9441

SHA1
92941e9559d9b1a0a944595377b6c5d44b53a6a4

SHA256
f7e3d70532b7a0b04bde2fc3a9439b8a95ba7b89eff5f214ef53041a58c97524

SHA512
f61f42e500ebdd0559c420f05849265964e58aba7bb2be1095d41dddc1393ccf2191de0ed61d5fefd3957c4890c61fced1497481b76f158a12f7d95e626224c6

Download Submit
C:\Windows\SysWOW64\RCBYOB\PKL.001

Filesize
61KB

MD5
29136121b1c0307a02a8826477995613

SHA1
4dffe908036a21be56a9caa739ec1bf1cf9bd0ca

SHA256
f9dd403e696d2128cafe9a4bab54a28161745934df6d3479a066083a61515402

SHA512
2c7077ff82e948b9a9b6b16214dfdd11e222f07fb0a75aec59a9dafc29906907f24e0c625cefd5032321cc7883c00fd0abc7801f185983190f353b6dff2774c7

Download Submit
C:\Windows\SysWOW64\RCBYOB\PKL.002

Filesize
43KB

MD5
d977f26d7f7ffcb0f002813b55ff032d

SHA1
7e17b642dc1286908c18caba6fedb890de8fcc86

SHA256
2ce6c66843f0d0f156ae523f25d2cf4c9886fcae7b4f69deefbde4bc5328bf29

SHA512
e291f6acf5df88c52eb9232d55eb43fc08cbd423b7ae46148f710de909db49c04fc1d64e05b8e307ddd880134c525188109b94182ca99ea5934b66b9316e9e25

Download Submit
C:\Windows\SysWOW64\RCBYOB\PKL.004

Filesize
624B

MD5
568a7c764cc278e8dc80800bc1dba916

SHA1
4ee3e4a18cec40defee2d30c5f836d2e093ce46b

SHA256
ff07e47058de1728a69c4b03612b5a3378e3fe63bb677ec1c9b44339fd0fec13

SHA512
9489ef10d5e1989d5f97605c49ac89380b37c66733b7e6503cf376e7c38d6685a0bff7a46540a0fbbd87422801672a5b58228004c4236c71633973ea9ebd85d3

Download Submit
\Users\Admin\AppData\Local\Temp\Perx.exe

Filesize
262KB

MD5
e974a7ed7fa0c096aa1f59ae6d8cce72

SHA1
24b215e712fa745ac94d033ee7c5a556a5df0dab

SHA256
d042a6add7b1547e5165d0c0c0f0eb21ee778b44c27e0a2bbce9f02b79156c0b

SHA512
156cfa7b252d8737a4d3fdc3f8095353051d7f15e1293d6c1213de36ea44d526fd94e75765b3a1f75ed83f9b02dd4329b9eab466e9188fea107e622d0c1d6ba4

Download Submit
\Windows\SysWOW64\RCBYOB\PKL.exe

Filesize
1.4MB

MD5
27a49221ba75a90934342bbe70f6c954

SHA1
751e322d6f7e46c132f0f97c56d60344248f1959

SHA256
946611f5091452aa46310d3ba8a885e808617b8ae9c57a468f7fe3abda4b052d

SHA512
9476f49d2e3c10f3e5cd91313e03405f944bc9887fd65e6c2236caab3a42e2c9a5392d7c34f6c5787a7dc8c3cfd43a3a90a6e052176aa60a43da0327d7ff78d6

Download Submit
memory/2108-30-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2108-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2108-34-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2372-27-0x0000000000A00000-0x0000000000AB5000-memory.dmp

Filesize
724KB

Download
memory/2372-26-0x0000000000A00000-0x0000000000AB5000-memory.dmp

Filesize
724KB

Download
memory/2800-16-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2800-31-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download