ardamax | 75a4feadca2da8b21e765d5b65376c5f692b4f2adcb28253999815aa2d648bd2

General

Target
7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe
Size 1.2MB
Sample240801-bph2eaycqb
SHA256 75a4feadca2da8b21e765d5b65376c5f692b4f2adcb28253999815aa2d648bd2
MD5 7ea9c07770240661820a43c283f4b8ad
SHA1 e345c61bca763bb1afb6c106bfcb5275e3efa2be
SHA512 7e6ef50c133f668e5f79fac93b591f04e2504fb7cfda07a3b341efe3725ff7ce2e578f345735b12a331d0c0e8dc9fc926dbabf868de3837f4a8869d4b0fc933d
SSDEEP 24576:RITTHF+2gHp3qN4viAdq7ONHeHQRTaW6vREgS++8uhvjAVVyIzJ0qbrvxsg:R6TKHp304Tq7FwRyREgSJph6l0J
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ardamax defense_evasion 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/0x000700000002353d-8.dat	family_ardamax

Checks computer location settings 2 TTPs 2 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-1-5-21-113082768-653872390-2867000172-1000\Control Panel\International\Geo\Nation	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-113082768-653872390-2867000172-1000\Control Panel\International\Geo\Nation	AUN.exe

Executes dropped EXE 1 IoCs

pid	Process
4776	AUN.exe

Loads dropped DLL 1 IoCs

pid	Process
4776	AUN.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\AUN Start = "C:\\Windows\\SysWOW64\\IUOFJS\\AUN.exe"	AUN.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\IUOFJS\AUN.exe	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\IUOFJS\	AUN.exe
File created	C:\Windows\SysWOW64\IUOFJS\AUN.004	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\IUOFJS\AUN.001	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\IUOFJS\AUN.002	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\IUOFJS\AKV.exe	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.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	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AUN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4776	AUN.exe
4776	AUN.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	4776	AUN.exe
Token: SeIncBasePriorityPrivilege	4776	AUN.exe
Token: SeIncBasePriorityPrivilege	4776	AUN.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4776	AUN.exe
4776	AUN.exe
4776	AUN.exe
4776	AUN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 4776	968	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe	85
PID 968 wrote to memory of 4776	968	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe	85
PID 968 wrote to memory of 4776	968	7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe	85
PID 4776 wrote to memory of 3704	4776	AUN.exe	90
PID 4776 wrote to memory of 3704	4776	AUN.exe	90
PID 4776 wrote to memory of 3704	4776	AUN.exe	90

C:\Users\Admin\AppData\Local\Temp\7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7ea9c07770240661820a43c283f4b8ad_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:968
- C:\Windows\SysWOW64\IUOFJS\AUN.exe
  "C:\Windows\system32\IUOFJS\AUN.exe"
  2⤵
  - 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4776
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\IUOFJS\AUN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3704

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

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

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Downloads

AKV.exe

Path C:\Windows\SysWOW64\IUOFJS\AKV.exe
Size 490KB
SHA256 5cbc0ec73c901be4ac182e13f6869f6f8cf0831b9603e542a3919f6a06087640
MD5 64a6cc55dc76d26448c30a8a1885f7cb
SHA1 149e467026647e080b4c69ab4f99b2d3c2b4dbe4
SHA512 de8cd7bea8113871ce8a36966fbaefd02b8ef7b09a8cbb631b4ac353bdf65b27d5630146ed700fd6edbc4276f4368ebad76b772d9b84349ddc2bd6f7127c377d
SSDEEP 12288:5k7NRg98RBRuISvysQEAO/BGekOALY7h5TvpQ:5k7ng98/RNuysM81knLY95NQ
MD5 SHA1 SHA512 SSDEEP

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AUN.001

Path C:\Windows\SysWOW64\IUOFJS\AUN.001
Size 61KB
SHA256 d720cf3d297743da7ab1da528f4c086a29d59ef553e1a96569b49a59831d583b
MD5 bf311791d2f9ea9c82a8d4764a98c0d8
SHA1 405ba2bd110590abd0bf340d12e054405afb011f
SHA512 8be092f068807767b0065de10f9da386b90d8e587356881ba3391380b953b199e818b527e74b305d7c714fc94cb6f8e66c76d89d1785fa9910aa4cb39c5cada8
SSDEEP 768:tPgTNQSXuS4CneuccmNjbWQRGQ2LEHhDuWD7F3PIo82zGjlFinjy3855:iTNHbhe3cw94Q24BDphPIoxyGnR55
MD5 SHA1 SHA512 SSDEEP

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AUN.002

Path C:\Windows\SysWOW64\IUOFJS\AUN.002
Size 44KB
SHA256 ba254f6675490a045d4c85a5f46681c175c1321692c20fc808c7c244173dd63f
MD5 ce365878123962c3438e349621c10198
SHA1 5b861d9fc2923c61ef390a0b729a21078aa5fd59
SHA512 efc6f143d5e9244a6635562d7e9a9cea22ab7e7b304e933642a51d66da896e9038208b86c12f6da623a01b9175e73eeb40ab600e6625db3595144bfca1231a76
SSDEEP 768:/5J0VaReVUSlA7ToUhf+mKgW1dteQ+Po501JTMRYN:/j0VaRUe7cUVO1dtiDGRQ
MD5 SHA1 SHA512 SSDEEP

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AUN.004

Path C:\Windows\SysWOW64\IUOFJS\AUN.004
Size 1KB
SHA256 fcee9bec173c6a8ed947e0d5640e99f8b3b3199e2e325ec3e5da8a8cd1470588
MD5 3d2152eb753394648d75368e5d26da90
SHA1 b0492e6e5ef2693d4d0c938da37407794fb4b856
SHA512 72df4e01a806241c01c0bf643f733a046b38d6ebf6ff719d592db5a676f15e30e0307b1fa5b714026662f0ecc22c6e339b943306b4cd750f8065d1579d1bf179
MD5 SHA1 SHA512

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AUN.exe

Path C:\Windows\SysWOW64\IUOFJS\AUN.exe
Size 1.7MB
SHA256 2dec3a8fb4a5b198335e7f4a9b611194b0a081abf0c56f9df3f4e2697e69d9e4
MD5 8f7590bbba70748e69612e9e2d5a9f2e
SHA1 f3ad9834bc38f33fe501b9076c65ac29d0410578
SHA512 347e9ac793afd627e064ecdfea61c3e2b626ace0ea41928aad93a72567048b8e9bdf773f8a4a59a0d96ce8c08612c542c15982e8051828bef025fea6132838c6
SSDEEP 49152:DaeogcfHa74Ff1igZgTYpnuZ4W2ogwgMRJu7QVA3zSu1H48:Daey674Dig171hw7Rd0
MD5 SHA1 SHA512 SSDEEP

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memory/4776-16-0x00000000006F0000-0x00000000006F1000-memory.dmp

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memory/4776-18-0x00000000006F0000-0x00000000006F1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads