ardamax | bfd3b8783627ce59c29f2fe1ee216481d4439bd8940624702a40a67e522f7edb

General

Target

JaffaCakes118_b898267f1e7aef91e110d54d99cff6de.exe
Size

369KB
MD5

b898267f1e7aef91e110d54d99cff6de
SHA1

57c9f76513d2ceab7e7522fbde0f439cb34f6573
SHA256

bfd3b8783627ce59c29f2fe1ee216481d4439bd8940624702a40a67e522f7edb
SHA512

c95c687de80f422b0c34b770bd850011b5eaaebe64cbf30b22cea1098d03a62c716ef7d98bd0ba4910772668fd7b287a2aca3b6792f6ca1ef32a582977a20c50
SSDEEP

6144://k/Go3R2vwKbXldpLFLF1TpzYPoxxI2YXBGxMs2Gtr7WSvxijI3SqU6YMsDrHsn:/Muo3R2vfbld5VVQq1e2MkJK8gk3xrMO

Score

10^/10

ardamax defense_evasion 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
behavioral1/files/0x00070000000241a6-20.dat	family_ardamax

Checks computer location settings 2 TTPs 3 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-1-5-21-3078542121-369484597-920690335-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b898267f1e7aef91e110d54d99cff6de.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Control Panel\International\Geo\Nation	pici.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Control Panel\International\Geo\Nation	FFHB.exe

Executes dropped EXE 3 IoCs

pid	Process
1688	pici.exe
228	FFHB.exe
1712	FFHB.exe

Loads dropped DLL 5 IoCs

pid	Process
1688	pici.exe
228	FFHB.exe
228	FFHB.exe
228	FFHB.exe
1712	FFHB.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\FFHB Agent = "C:\\Windows\\SysWOW64\\Sys32\\FFHB.exe"	FFHB.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 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Sys32\FFHB.001	pici.exe
File created	C:\Windows\SysWOW64\Sys32\FFHB.006	pici.exe
File created	C:\Windows\SysWOW64\Sys32\FFHB.007	pici.exe
File created	C:\Windows\SysWOW64\Sys32\FFHB.exe	pici.exe
File opened for modification	C:\Windows\SysWOW64\Sys32	FFHB.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3052	228	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 5 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_b898267f1e7aef91e110d54d99cff6de.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pici.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FFHB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FFHB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	228	FFHB.exe
Token: SeIncBasePriorityPrivilege	228	FFHB.exe
Token: SeIncBasePriorityPrivilege	228	FFHB.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5440	JaffaCakes118_b898267f1e7aef91e110d54d99cff6de.exe
5440	JaffaCakes118_b898267f1e7aef91e110d54d99cff6de.exe
228	FFHB.exe
228	FFHB.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5440 wrote to memory of 1688	5440	JaffaCakes118_b898267f1e7aef91e110d54d99cff6de.exe	85
PID 5440 wrote to memory of 1688	5440	JaffaCakes118_b898267f1e7aef91e110d54d99cff6de.exe	85
PID 5440 wrote to memory of 1688	5440	JaffaCakes118_b898267f1e7aef91e110d54d99cff6de.exe	85
PID 1688 wrote to memory of 228	1688	pici.exe	86
PID 1688 wrote to memory of 228	1688	pici.exe	86
PID 1688 wrote to memory of 228	1688	pici.exe	86
PID 2216 wrote to memory of 1712	2216	cmd.exe	89
PID 2216 wrote to memory of 1712	2216	cmd.exe	89
PID 2216 wrote to memory of 1712	2216	cmd.exe	89
PID 228 wrote to memory of 5268	228	FFHB.exe	95
PID 228 wrote to memory of 5268	228	FFHB.exe	95
PID 228 wrote to memory of 5268	228	FFHB.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b898267f1e7aef91e110d54d99cff6de.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b898267f1e7aef91e110d54d99cff6de.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5440
- C:\Users\Admin\AppData\Local\Temp\tempalbert\pici.exe
  "C:\Users\Admin\AppData\Local\Temp\tempalbert\pici.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\Sys32\FFHB.exe
    "C:\Windows\system32\Sys32\FFHB.exe"
    3⤵
    - Checks computer location settings
    - 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:228
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\Sys32\FFHB.exe > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:5268
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 876
      4⤵
      Program crash
      PID:3052

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\Sys32\FFHB.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\Sys32\FFHB.exe
  C:\Windows\SysWOW64\Sys32\FFHB.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 228 -ip 228
1⤵
PID:5068

Network

MITRE ATT&CK Enterprise v16

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

2

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\@639C.tmp

Filesize
4KB

MD5
33303ca8abef9221cb410b8a232e9fe4

SHA1
0cdfc25dbf0e9ad7d4585cd9037dc2e6604be00c

SHA256
5110301dee966f0f26307ab1b430279d1e4999c2c4a0ea924ff32f1a9ded869a

SHA512
da29821045773ba776def985966b62e09e69bb5bf1786b16c2fff6feb68a03b9e22c5f7d081e3dd58d1785cd7ac64736497c043b7cf6c7149c3a54f8ef111800

Download Submit
C:\Users\Admin\AppData\Local\Temp\tempalbert\pici.exe

Filesize
321KB

MD5
bc9db2717d7e92a541a009c780df6298

SHA1
83b51c5abb81dec70599f772a1e5d6f37cfcb33c

SHA256
c4588caa18b2385656ed895666d9b87564b90b9dc9f0981bdb7a6731244bb96a

SHA512
92a7e53a07eb5e801c96b3c666b0a189e4dfb8c69916bc987e0f8e98b2e0528c0454d8fab7493666a8e94fe0fb66460334adc070ebeec7b2c7312092aa91b0bc

Download Submit
C:\Windows\SysWOW64\Sys32\FFHB.001

Filesize
418B

MD5
24abb8b0136195a5b055f18249a14eee

SHA1
532054dbe810a0a759ffd5edd0081222ad9269e0

SHA256
8676782e75de41efbc684c7e25703609e8a2205d586ef76a847b7eee9a93ec18

SHA512
71bfd2274d3471fd35760dd4a003d4bb5d9ce88d1d8289d169d334c05f9b252535070abc2658b4d915777d61e40c6a9e4ce36094861762adbcc73d0c518d2a89

Download Submit
C:\Windows\SysWOW64\Sys32\FFHB.006

Filesize
7KB

MD5
928cc65dc793834c709a054ca57c19c8

SHA1
a1e5d8407199c1bd6a4b274044de640fe0d9e99b

SHA256
e3473d81a02ed30e4236591384136f41f17b6a4aae24b5468789644ccd4bf192

SHA512
f7c8f7a75c4f8a418630e2ac15676740a902449d9a3c4baf3184409f8701c9caa3e82304d141362d95503f1af6b693eed7b77f690d92ca0162f7ea3ecbc80fdf

Download Submit
C:\Windows\SysWOW64\Sys32\FFHB.007

Filesize
5KB

MD5
3e1f5d5a06cf97b0495b8d129fbe02e4

SHA1
b0de258a813f5edde85004f6865b6ed91f6d6f8f

SHA256
f49448fc7c567e64eaeb9cc4dbd3c8021a82b5d9df0a622a439f7b42dc2f26d7

SHA512
b0e0b81cb5776d298e96346aa61027c9799a47191c94de50be2209c32747774959d002ddeb98fd15556ee893b0d7bd1f0c8a901469dce4e3acf94e2c4c3e2bfd

Download Submit
C:\Windows\SysWOW64\Sys32\FFHB.exe

Filesize
476KB

MD5
ef52b540cb404d908338e9cbf7cff283

SHA1
778765e1736c0a197685978c3fee7a44e7bde419

SHA256
39d8bdb975fbfcbcec8fe63be4e9fe6ce39ae5d23a005118aeffa07b17a3f815

SHA512
596b77bf5b15455c326a5a2efd66bc69685eb625e3e211ea0341ad4d8920ada7618a7107e42f2c0963fe6c2d92f2acf47b641ef33071a7c42004e5874d5219a6

Download Submit
memory/228-28-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/228-36-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads