ardamax | e50be530edccfe3ef5839bbcda45fea371ed908354577c01c211716ee6957e09

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 18:54

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General

Target

JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe
Size

486KB
MD5

1a2a92e2e9fff252bf49f78874ce3039
SHA1

2a033a47376cf677eaacc45ac764dde69e4f5285
SHA256

e50be530edccfe3ef5839bbcda45fea371ed908354577c01c211716ee6957e09
SHA512

7870df5cac0a2447c22eefc2e16619863cefa2aa9bb22d0e4788c0ffe9c76267e9abf70d0d46a6eff6551c3ca3560444aebe2e3a60f13936ee6db816854e7ec9
SSDEEP

12288:lk2dpPMgDtaEOiLTEtFpn0c4lx5YYzA0RL+voS:3HPM2tWATEKvl7cwL

Score

10^/10

ardamax defense_evasion discovery keylogger persistence stealer upx

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax
Ardamax family
ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral1/files/0x0005000000019436-39.dat	family_ardamax

Executes dropped EXE 3 IoCs

pid	Process
2080	b2e.exe
492	batchfile.bat
2788	ECDY.exe

Loads dropped DLL 11 IoCs

pid	Process
2592	JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe
2592	JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe
2080	b2e.exe
2080	b2e.exe
2080	b2e.exe
2080	b2e.exe
492	batchfile.bat
492	batchfile.bat
492	batchfile.bat
2788	ECDY.exe
2788	ECDY.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\ECDY Agent = "C:\\Windows\\SysWOW64\\28463\\ECDY.exe"	ECDY.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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\ECDY.001	batchfile.bat
File created	C:\Windows\SysWOW64\28463\ECDY.006	batchfile.bat
File created	C:\Windows\SysWOW64\28463\ECDY.007	batchfile.bat
File created	C:\Windows\SysWOW64\28463\ECDY.exe	batchfile.bat
File created	C:\Windows\SysWOW64\28463\AKV.exe	batchfile.bat
File opened for modification	C:\Windows\SysWOW64\28463	ECDY.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2592-0-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/2592-10-0x0000000000400000-0x0000000000482000-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 6 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	b2e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	batchfile.bat
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ECDY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2788	ECDY.exe
Token: SeIncBasePriorityPrivilege	2788	ECDY.exe
Token: SeIncBasePriorityPrivilege	2788	ECDY.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2788	ECDY.exe
2788	ECDY.exe
2788	ECDY.exe
2788	ECDY.exe
2788	ECDY.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2080	2592	JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe	30
PID 2592 wrote to memory of 2080	2592	JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe	30
PID 2592 wrote to memory of 2080	2592	JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe	30
PID 2592 wrote to memory of 2080	2592	JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe	30
PID 2080 wrote to memory of 492	2080	b2e.exe	31
PID 2080 wrote to memory of 492	2080	b2e.exe	31
PID 2080 wrote to memory of 492	2080	b2e.exe	31
PID 2080 wrote to memory of 492	2080	b2e.exe	31
PID 492 wrote to memory of 2788	492	batchfile.bat	32
PID 492 wrote to memory of 2788	492	batchfile.bat	32
PID 492 wrote to memory of 2788	492	batchfile.bat	32
PID 492 wrote to memory of 2788	492	batchfile.bat	32
PID 2080 wrote to memory of 2672	2080	b2e.exe	33
PID 2080 wrote to memory of 2672	2080	b2e.exe	33
PID 2080 wrote to memory of 2672	2080	b2e.exe	33
PID 2080 wrote to memory of 2672	2080	b2e.exe	33
PID 2788 wrote to memory of 1632	2788	ECDY.exe	36
PID 2788 wrote to memory of 1632	2788	ECDY.exe	36
PID 2788 wrote to memory of 1632	2788	ECDY.exe	36
PID 2788 wrote to memory of 1632	2788	ECDY.exe	36

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Users\Admin\AppData\Local\Temp\B1D2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B1D2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B1D2.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a2a92e2e9fff252bf49f78874ce3039.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Users\Admin\AppData\Local\Temp\B28D.tmp\batchfile.bat
    "C:\Users\Admin\AppData\Local\Temp\B28D.tmp\batchfile.bat"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:492
  - - C:\Windows\SysWOW64\28463\ECDY.exe
      "C:\Windows\system32\28463\ECDY.exe"
      4⤵
      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
      Suspicious use of WriteProcessMemory
      PID:2788
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\ECDY.exe > nul
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1632
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\selfdel0.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2672

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

Indicator Removal

T1070

File Deletion

T1070.004

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:\Users\Admin\AppData\Local\Temp\selfdel0.bat

Filesize
158B

MD5
95fd0ff37c26e85f36b0764091d6bfea

SHA1
277f4a7393e939a77dceadfef1df27ac3171ff2c

SHA256
502c06e3152b72e07b40bc2e002597f6d9e515751fee7686082c6debc0767f7f

SHA512
e8e163b4381cebf84a7f549b8f25ffaef7d502a65d3969b831bdce74f426df5b297e51e062a6d9f94f276971a401468fea69d71a4cfad7b72d4e6eceffce5c1d

Download Submit
C:\Windows\SysWOW64\28463\AKV.exe

Filesize
395KB

MD5
adbec81b510dcfe49835f95940ef961d

SHA1
77940f6e46fbd5f53de23bd49afe9172470769d0

SHA256
466efb4b00255f21075b340fc2d2444f182947ab90270840543658c5fd3a9b95

SHA512
ef4324a06fbe960933f5551ea6ac587cd87cb6025bc6879a2b81a4d1033cfe87e244b6a87fb5db5ad065321ccbe8035cf24a668452d5b0c6a4063a355a12b2a7

Download Submit
C:\Windows\SysWOW64\28463\ECDY.001

Filesize
434B

MD5
1101c9cd56c426f894fe04c1a7a73ed6

SHA1
a7df1226d375b7ccaffe5ea5466994d2eb7f6014

SHA256
0ae974531d0f4a2e608a2464338d1f8b3f4a550060cc724de7c0766e0e89f346

SHA512
2cb801c59ae6be12bcecd8899921b72c1159ee1c544fcdb130bf857f84f3d1bc12f579b37dca752a1c40692d01c546ca854050f576dfcf253ed0bd42e08ba4c1

Download Submit
C:\Windows\SysWOW64\28463\ECDY.006

Filesize
8KB

MD5
f5eff4f716427529b003207d5c953df5

SHA1
79696d6c8d67669ea690d240ef8978672e3d151c

SHA256
ac54ebb9eec3212f294462ce012fdc42f4b0896d785d776a5a2cc3599dc5bcde

SHA512
5a48599a5855f06c3e7d6f89c4e06bab1f4381b9d30cf3824c465b8fd6c142b316e6bd6aaad73d1f9b3e84d96113fb5e7374831bf503744013c9e1a0632a0caf

Download Submit
C:\Windows\SysWOW64\28463\ECDY.007

Filesize
5KB

MD5
bc75eddaa64823014fef0fe70bd34ffc

SHA1
15cd2ace3b68257faed33c78b794b2333eab7c0a

SHA256
9eada36d17635bedb85ce96a62cb019dbfee696b9986f69de7d5b5bc1f44df5d

SHA512
20db25f32f9cfdbffa4f30c0065125052c6e20b7dcc147fa7ebff38e37b51f6a43e48e486f148d7ee11671479b9fb0bbe1c6df151101af3b50c65fd334d13baa

Download Submit
\Users\Admin\AppData\Local\Temp\@B3A6.tmp

Filesize
4KB

MD5
13e10cd76f11d6cb43182dcba7370171

SHA1
e6b8ce329e49ff09f1cb529c60fc466cb9a579c8

SHA256
f1265c88f0077009eaa18db413f156cc7ad8d41dc9d797dd1032b0e0ae9c40d5

SHA512
ee32ef3f50838936417e51dfd365b166456900e327dbe51902700bb3d562dea22e6fbd9009c822ba0562687001802a2e61d38123f81ae19f7b3d05bb1fd5cda8

Download Submit
\Users\Admin\AppData\Local\Temp\B1D2.tmp\b2e.exe

Filesize
489KB

MD5
330e27192fa131c383aec678e168aac0

SHA1
20aff2e189d4964d1fb80217180f338777d55fea

SHA256
06ece791d6eafb9f258c01b6d46645d56a5c3f0afd786077064af4ff97abf1c3

SHA512
058c1c53b34533ea1b1189a05bc6ea2594a70d9bc12b69dcfe9ad270138e98e97a492c5167d603fe073e1538b282db2b6922c66f165abe5ca5bdae4bd3938fd7

Download Submit
\Users\Admin\AppData\Local\Temp\B28D.tmp\batchfile.bat

Filesize
480KB

MD5
1a5c07bf497e0fccbaabd2de96bc9618

SHA1
55f4e5c08e5238ce45709a98133ea438ba05b2f6

SHA256
12ee81f8392f41ba88c4fbb32930d1d3aec9d718082a7cf122c0e0c55d78cba1

SHA512
d297cdd1fb01bffd4bc005a7dd6f5c785ab0e2f5c42eea435ef9e20e2c90c3430210c91797e46654906f08d3b7c3aa52a87e4a53a14c5904d57f3b9071795faf

Download Submit
\Windows\SysWOW64\28463\ECDY.exe

Filesize
473KB

MD5
3c90d45b1c004e86a7f7a7a340f1abc8

SHA1
10602c450bcbda2735dc036f2e399646f0c64f4c

SHA256
f6d9c3bba7fc4dfa681cadf68f41093e3c431501c6789e891e599719e5d2781c

SHA512
85457be4c2aa76ede288cd185131d46e5f0b37187313f3a54fe789e28929ec6e44282f4ba0981f46354705cd5da83990586c8846f52fcdb807908254c8719cc1

Download Submit
memory/2080-12-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2080-62-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2592-0-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2592-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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