ardamax | aadb68b8966e9001d25924cf3d388d6424d524962253372458ae01f953daafc2

General

Target

JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe
Size

271KB
MD5

31e36555fcfe820cd5020f230497db24
SHA1

e443ac1a31b21964262e25ed32b0dd0d8e53c13d
SHA256

aadb68b8966e9001d25924cf3d388d6424d524962253372458ae01f953daafc2
SHA512

866872c48b1cbdaad75fe8ee043285bee75d64e2085eeb975988fe8e6b19ebb5c790a65bb2c8cbe24d8ad3f10542c409c7eed80d225d53d8ba738866abfe984a
SSDEEP

6144:tG6OgXKAbBmJEusfD7fyOxwisLpJTlj7Mf1dbMBc:tnXFtb7eljY1hCc

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

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

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023c8c-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	HSSF.exe

Loads dropped DLL 1 IoCs

pid	Process
2836	JaffaCakes118_31e36555fcfe820cd5020f230497db24.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\HSSF Agent = "C:\\Windows\\SysWOW64\\28463\\HSSF.exe"	HSSF.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\HSSF.001	JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe
File created	C:\Windows\SysWOW64\28463\HSSF.006	JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe
File created	C:\Windows\SysWOW64\28463\HSSF.007	JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe
File created	C:\Windows\SysWOW64\28463\HSSF.exe	JaffaCakes118_31e36555fcfe820cd5020f230497db24.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 2 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	JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HSSF.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 2540	2836	JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe	85
PID 2836 wrote to memory of 2540	2836	JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe	85
PID 2836 wrote to memory of 2540	2836	JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31e36555fcfe820cd5020f230497db24.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\SysWOW64\28463\HSSF.exe
  "C:\Windows\system32\28463\HSSF.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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:\Users\Admin\AppData\Local\Temp\@B844.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

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

Filesize
404B

MD5
ee4b9e58c804cb4e6c342bc152958769

SHA1
8ca2f5aa5f4d2a7b5af6f8ba8003e93b26372cac

SHA256
2a2e36afd08043a7a89965c8a8d54f2849fd5eed5d9ead52ae558753b969df91

SHA512
6db0d71a0ee142ba9142e579d4f95a9420aec50382fd6405a843902782d98cc54cb1de90e816df7acd8d0382aac8fcbf728aecfdd597d01c86c0058dc9d287df

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/2540-21-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads