ardamax | 14a3df7dce7912f61f40a0b29ee4f82d2a9c369cd9f294916ad317a7a3c4b77b

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 02:57

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General

Target
65df3c385d174f9e211757b25925be30_JaffaCakes118.exe
Size 522KB
Sample240723-dfnawatekc
SHA256 14a3df7dce7912f61f40a0b29ee4f82d2a9c369cd9f294916ad317a7a3c4b77b
MD5 65df3c385d174f9e211757b25925be30
SHA1 9261218e9c7be26305f7b45831d95f152be4e54f
SHA512 efe3da4609793472d0bc0d96290130b9fa566c9c94bb20082bd4ed0d058ca6cab81306958f1e50329dee4327311ec04e856c29630814a19f796f73d48e8f5a58
SSDEEP 12288:/deqXOJiv3MUFdFWcst1BYrySd88OqFXXaoUjCkf5Vk/I+ZzMg8h:wqXqUjdFM1aryq88OqB4Ckf5VYXFu
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002341d-12.dat	family_ardamax

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2292	EXNL.exe
1852	telock.exe

Loads dropped DLL 7 IoCs

pid	Process
1080	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe
2292	EXNL.exe
1852	telock.exe
2292	EXNL.exe
2292	EXNL.exe
1852	telock.exe
1852	telock.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\EXNL Agent = "C:\\Windows\\SysWOW64\\Sys32\\EXNL.exe"	EXNL.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 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Sys32\EXNL.009	EXNL.exe
File opened for modification	C:\Windows\SysWOW64\Sys32\EXNL.009	EXNL.exe
File created	C:\Windows\SysWOW64\Sys32\EXNL.001	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\EXNL.006	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\EXNL.007	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\EXNL.exe	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\AKV.exe	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Sys32	EXNL.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2292	EXNL.exe
Token: SeIncBasePriorityPrivilege	2292	EXNL.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2292	EXNL.exe
2292	EXNL.exe
2292	EXNL.exe
2292	EXNL.exe
2292	EXNL.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 2292	1080	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe	87
PID 1080 wrote to memory of 2292	1080	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe	87
PID 1080 wrote to memory of 2292	1080	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe	87
PID 1080 wrote to memory of 1852	1080	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe	88
PID 1080 wrote to memory of 1852	1080	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe	88
PID 1080 wrote to memory of 1852	1080	65df3c385d174f9e211757b25925be30_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\65df3c385d174f9e211757b25925be30_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\Sys32\EXNL.exe
  "C:\Windows\system32\Sys32\EXNL.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2292
- C:\Users\Admin\AppData\Local\Temp\telock.exe
  "C:\Users\Admin\AppData\Local\Temp\telock.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1852

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

@1C0.tmp

Path C:\Users\Admin\AppData\Local\Temp\@1C0.tmp
Size 3KB
SHA256 09e6cfa1698ed3cd3592fa4ed36eb970fa599cb86ce6975f5ef90dfbaf6a2f21
MD5 14c3321783fac66161b308d34c5b0eac
SHA1 021b4f77e27d6e0b032158936a752e27cdde09fa
SHA512 9ba6f2992164e7e98084e3c3b5a4cd231edeca22b784d01e5e98078ed19a1114ba9f837aa77ec3303bfcff6fa6a7a3b4588ee6e3a444eb35fc5e8c1d732825ad
MD5 SHA1 SHA512

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telock.exe

Path C:\Users\Admin\AppData\Local\Temp\telock.exe
Size 54KB
SHA256 5203aa4b6ad2d63fc8c7f6a05fb72b6ac75985ee8077820b47faa5a1b97c13c1
MD5 c4c3f834ab76c1cbc4cd318fab2373e3
SHA1 8cc449dfafc02317fc06a460c20ae48b8350d114
SHA512 ebefdeda797c67949f267fc6a158067a019689e14615329459ecee2ffc2914757850d409ceb1bdcf6a40dd6f92daa14d0f44c7bafeb902453aa9a96c7cd652bb
SSDEEP 1536:SPJS2rY6iQubxH0kwZ3cBSuetoAHi/qh:QS2M69uFdMsqoA
MD5 SHA1 SHA512 SSDEEP

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AKV.exe

Path C:\Windows\SysWOW64\Sys32\AKV.exe
Size 389KB
SHA256 9170ccd49c118818a83d6ec5264e58519a986671828a144b70d9f601afd29156
MD5 53a578b112aeb18c5993556d4440ade1
SHA1 e51f2fcc784def3cc5ff594edfee5e25f1e9818c
SHA512 31357e35a4d31483951a7fbd0d774dffd880c8451e2410226dcfb8f8b1c24422febba81ae91aa2e5bb482bc0e662060f772417239e7e7a11c3c36ff8d716f352
SSDEEP 6144:pws1bPPz5u9vx5Cb82hZJf5lBi/qt2c/dV+NMxX+:7bN6viZhv3Biik
MD5 SHA1 SHA512 SSDEEP

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EXNL.001

Path C:\Windows\SysWOW64\Sys32\EXNL.001
Size 462B
SHA256 bd316b9c54220d6af7ebc0a42c1aea09115a369b9f841e9e83ccfe8256aa3f41
MD5 3070f8614d6f90cf41af99751b29bd12
SHA1 41b71ee0b6f14a299853901c6108eabe6a02736f
SHA512 379dc61aca4bad7aeb4c478a1c50f9c87aa3cd9915138235e23337614e40bac1f0d1754d4c05a48ea1388a89d341daa483a14ff435cbf64e42e05b7af1feba02
MD5 SHA1 SHA512

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EXNL.006

Path C:\Windows\SysWOW64\Sys32\EXNL.006
Size 7KB
SHA256 81f383d6a9a90d1587af3f2903d9fd4ce4b4843aa285928ba731a3ee8f60c39f
MD5 504f5a7e8447c65bc2218bb3d47c309b
SHA1 5d2d703cfa8b1c0fab1b13b01e2250e246e2eb44
SHA512 b90427bc146e30a5db47aaea4d7ac559db679f64ce490eb2195106acbc3d266442d71a7c0b00762203010436ed86bc84ef59bc3269b7611f9a6b5025fc85190b
SSDEEP 96:6kJh3mt3uKUMZQPX0Fj+GXXiYTJ+cwMswHO1yWCj0GMRZQVFah19ah7Hel2mIXTd:r3mR0Fmj9XSY1chCCRZ0KqEyD6p2vBx
MD5 SHA1 SHA512 SSDEEP

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EXNL.007

Path C:\Windows\SysWOW64\Sys32\EXNL.007
Size 5KB
SHA256 3a77698cfcbbc40473f163c76838e6509c52bd6ffb97ba9d144ccd25ef5c7e14
MD5 22e9e9b13c2c676bec39178311d55253
SHA1 da60379e518feeb798005065dcf626a74afe1848
SHA512 1d3b7eb4dcaa969a49786f1f55caa731e2e82dc79896985d50aa225fd7071bef521a6d85f56ee249db518cf0fc4a53f942299328bf54862307f742d3a6ca3dcc
SSDEEP 48:6pOswUQEEiD4rAK2zlN03WnEApKoPIIaiFcBakgkH1B2r:6pZDE+N03Wn9IowIaihsH1B2r
MD5 SHA1 SHA512 SSDEEP

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EXNL.exe

Path C:\Windows\SysWOW64\Sys32\EXNL.exe
Size 475KB
SHA256 e55fbc08da9dc8bfb13b1d649e117540ee2c416a678eafa40e49088c2864dcc4
MD5 9c3ff825312190802dc56c7b0d0ccebd
SHA1 58e200c00382b3d13c81c9e829da065ed45f5928
SHA512 513f6e3ab1bc31d01c1730c04313a39df5f9a5e30db70699df0507fff4c82f36706a637d32f532985e551a5a835682ebdc077560fee2f9741cba7767a86b7968
SSDEEP 6144:YI86VvYVchnCx3gUWGbUMwztJzcJsGvp7QE/2VeNpuKAL:tVvYWPUWGKJwJs6cL
MD5 SHA1 SHA512 SSDEEP

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memory/1852-35-0x000000000042B000-0x000000000042C000-memory.dmp

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memory/1852-42-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2292-29-0x0000000000A50000-0x0000000000A51000-memory.dmp

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memory/2292-44-0x0000000000A50000-0x0000000000A51000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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