ardamax | 6e3036c93c3e7684e3995518822c3d693c947d7259d11f0ad2e931f244f149ee

General

Target

ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
Size

200KB
MD5

ffefb9ff1878b202d4549d7fb77b3dab
SHA1

50d443ea3acb3c03a92a45131c1cb8ca790c0d38
SHA256

6e3036c93c3e7684e3995518822c3d693c947d7259d11f0ad2e931f244f149ee
SHA512

0d93e70ed26aeab258bce102c5c2ee44ca8dc3132011658463b3c4e7e942e5cb897852f5ab6951997fb8117fa5e17f7a98b7a7e1621d8c167c0bf8951d5412f2
SSDEEP

3072:HOiQ7ixraQ7AhNoaXBII64TOLdCj7XP3f+m+Pz7yLlgVZgcD5m7zKcmvclKDb6ke:vrzAhNpiNYXXi77y/cD5AzKMwDub

Score

10^/10

ardamax discovery keylogger 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/0x0007000000018b64-9.dat	family_ardamax

Executes dropped EXE 2 IoCs

pid	Process
604	NSK.exe
2876	GunzCheater.exe

Loads dropped DLL 8 IoCs

pid	Process
2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
604	NSK.exe
2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
604	NSK.exe
2876	GunzCheater.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 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\NSK.001	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\NSK.006	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\NSK.007	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\NSK.exe	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000018b71-21.dat	upx
behavioral1/memory/2876-33-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2876-39-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64	NSK.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	NSK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GunzCheater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	604	NSK.exe
Token: SeIncBasePriorityPrivilege	604	NSK.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
604	NSK.exe
604	NSK.exe
604	NSK.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 604	2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe	30
PID 2524 wrote to memory of 604	2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe	30
PID 2524 wrote to memory of 604	2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe	30
PID 2524 wrote to memory of 604	2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2876	2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe	31
PID 2524 wrote to memory of 2876	2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe	31
PID 2524 wrote to memory of 2876	2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe	31
PID 2524 wrote to memory of 2876	2524	ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffefb9ff1878b202d4549d7fb77b3dab_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\NSK.exe
  "C:\Windows\system32\NSK.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:604
- C:\Users\Admin\AppData\Local\Temp\GunzCheater.exe
  "C:\Users\Admin\AppData\Local\Temp\GunzCheater.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\NSK.001

Filesize
1KB

MD5
ff2850b50512fa26598d9edcb6d7ab4d

SHA1
0620129a1938d18037a496f96590a4677d83cbdd

SHA256
9c57eea4129abeb26107d2381d1b8b425457d61007d675be70e5dba348fad337

SHA512
899bab2cdb7e7e86cf69490bac0767cf3ed53ddc7f85f2447e9ba6a66d5e1549905d5c9a2d2ceec8f5a460facf1232d1d8b31ce056ef1c427bf12c7bdb38f65b

Download Submit
C:\Windows\SysWOW64\NSK.006

Filesize
4KB

MD5
0868167c8915fb3d87d4e5a775a57ffd

SHA1
5f223134e003382fd8c191a1f4ca94922f1d802e

SHA256
6a28449ee15745e772f877b6133913325400a2ca3dbf829d76cf42e0c8d6da4c

SHA512
d9f82239d6990b3dcc261f99f5acf20d71965b08146821575f830698fa07a5ec7ba0553494bb779e427692ada39ed5973489d1077aeec5ddfdf5a73d9c91b058

Download Submit
\Users\Admin\AppData\Local\Temp\@96F2.tmp

Filesize
4KB

MD5
ccfd350414f3804bbb32ddd7eb3f6153

SHA1
e91d270b8481d456a3beabf617ef3379a93f1137

SHA256
1dabedfe9c7cda2d8aa74c95ba57fb832a4066b20f4051c0330b4422de237eb3

SHA512
328e069aaced9217eb9f4b4f20e27cd7ef933427e3388b3a0829089d694ea2280a2e5511a9eb577cec2a7b409cf367b0f17d8654076931648e152936fad810bd

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

Filesize
32KB

MD5
67857fd5bd53a8754264f093a8175cf5

SHA1
d0d83da14e35b962fa510a9735e5a93c575c740c

SHA256
5e91661e3ea89fabcce262628402ca4e7d6e02f9ece42dd9033d6bcec14fc4f1

SHA512
d73e21b9c64a5eb74ec0c3495bd0b1aed2909cfb19b8d88d20f9f665ed9e743499c0480e142cf463b3cbe7cdc7ee3fb6827a346c4016a0aeb2af5417cbc7c718

Download Submit
\Windows\SysWOW64\NSK.007

Filesize
6KB

MD5
5e023770dfb9d9068706facc958c7d66

SHA1
9cf95074a78239da000452362c2167991970e972

SHA256
f16ca7e5533eb28fa882eb500add2a936f8d0a705cfc9f4e6c8f4c522a2cf6db

SHA512
a9621e77fe22b054686924cebee3c9a5c448b2f60bd1d4c8a6d6bda161ec270d9a5c76cbe07dcd1d0ee59fdc071de1d271344c629181e14c2c0a54cbac7831af

Download Submit
\Windows\SysWOW64\NSK.exe

Filesize
239KB

MD5
2bada91f44e2a5133a5c056b31866112

SHA1
9fbe664832d04d79f96fa090191b73d9811ef08d

SHA256
c742feab59b4e1b7b188b02ed91ab34eaeb83c87ac6babfb5f08649ed2b8cd02

SHA512
dc797a06061937f8dd657a34d4373d3069c9c1a6752752516042e5d135fc41257c7a3a6738b3accd626a02f1887476197eca0ab28cf568daf57269cbe9c8eb41

Download Submit
memory/604-36-0x00000000757E0000-0x000000007580A000-memory.dmp

Filesize
168KB

Download
memory/604-35-0x00000000757E1000-0x00000000757E2000-memory.dmp

Filesize
4KB

Download
memory/2524-24-0x0000000002630000-0x000000000264E000-memory.dmp

Filesize
120KB

Download
memory/2524-28-0x0000000002630000-0x000000000264E000-memory.dmp

Filesize
120KB

Download
memory/2876-33-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2876-38-0x00000000757E0000-0x000000007580A000-memory.dmp

Filesize
168KB

Download
memory/2876-39-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

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