ardamax | cfc15cf897edd6e74a4676aa1811d693fee4fe424f04d2a4d3b5675f5198dccd

General

Target

470341f382ae0d6906699c4cede9f340_JaffaCakes118.exe
Size

1.3MB
MD5

470341f382ae0d6906699c4cede9f340
SHA1

7190106144a3f3e8fa5bf1f374329e949660b853
SHA256

cfc15cf897edd6e74a4676aa1811d693fee4fe424f04d2a4d3b5675f5198dccd
SHA512

eff1a4c31dee3ff420a402c8ee5af39264ca4896c57b758183385e6a60320de10b69e1ac6655a3930767935cb97d708452e9ad9b49e9355bb2a0d4bf30e12ed3
SSDEEP

24576:6ITTHF+2gHp3qN4viAdq7ONHeHQRTaW6vREgS++8uhvjAVVyIzJ0qbrvxsg3g:66TKHp304Tq7FwRyREgSJph6l0JAg

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/0x000700000002346c-27.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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	470341f382ae0d6906699c4cede9f340_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	Install.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	AUN.exe

Executes dropped EXE 2 IoCs

pid	Process
2840	Install.exe
4380	AUN.exe

Loads dropped DLL 1 IoCs

pid	Process
4380	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

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\IUOFJS\AUN.001	Install.exe
File created	C:\Windows\SysWOW64\IUOFJS\AUN.002	Install.exe
File created	C:\Windows\SysWOW64\IUOFJS\AKV.exe	Install.exe
File created	C:\Windows\SysWOW64\IUOFJS\AUN.exe	Install.exe
File opened for modification	C:\Windows\SysWOW64\IUOFJS\	AUN.exe
File created	C:\Windows\SysWOW64\IUOFJS\AUN.004	Install.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4380	AUN.exe
4380	AUN.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	4380	AUN.exe
Token: SeIncBasePriorityPrivilege	4380	AUN.exe
Token: SeIncBasePriorityPrivilege	4380	AUN.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4380	AUN.exe
4380	AUN.exe
4380	AUN.exe
4380	AUN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 2840	3760	470341f382ae0d6906699c4cede9f340_JaffaCakes118.exe	87
PID 3760 wrote to memory of 2840	3760	470341f382ae0d6906699c4cede9f340_JaffaCakes118.exe	87
PID 3760 wrote to memory of 2840	3760	470341f382ae0d6906699c4cede9f340_JaffaCakes118.exe	87
PID 2840 wrote to memory of 4380	2840	Install.exe	88
PID 2840 wrote to memory of 4380	2840	Install.exe	88
PID 2840 wrote to memory of 4380	2840	Install.exe	88
PID 4380 wrote to memory of 2412	4380	AUN.exe	92
PID 4380 wrote to memory of 2412	4380	AUN.exe	92
PID 4380 wrote to memory of 2412	4380	AUN.exe	92

C:\Users\Admin\AppData\Local\Temp\470341f382ae0d6906699c4cede9f340_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\470341f382ae0d6906699c4cede9f340_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3760
- C:\Users\Admin\AppData\Local\Temp\Install.exe
  "C:\Users\Admin\AppData\Local\Temp\Install.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\IUOFJS\AUN.exe
    "C:\Windows\system32\IUOFJS\AUN.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4380
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\IUOFJS\AUN.exe > nul
      4⤵
      PID:2412

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

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Install.exe

Filesize
1.2MB

MD5
7ea9c07770240661820a43c283f4b8ad

SHA1
e345c61bca763bb1afb6c106bfcb5275e3efa2be

SHA256
75a4feadca2da8b21e765d5b65376c5f692b4f2adcb28253999815aa2d648bd2

SHA512
7e6ef50c133f668e5f79fac93b591f04e2504fb7cfda07a3b341efe3725ff7ce2e578f345735b12a331d0c0e8dc9fc926dbabf868de3837f4a8869d4b0fc933d

Download Submit
C:\Windows\SysWOW64\IUOFJS\AKV.exe

Filesize
490KB

MD5
64a6cc55dc76d26448c30a8a1885f7cb

SHA1
149e467026647e080b4c69ab4f99b2d3c2b4dbe4

SHA256
5cbc0ec73c901be4ac182e13f6869f6f8cf0831b9603e542a3919f6a06087640

SHA512
de8cd7bea8113871ce8a36966fbaefd02b8ef7b09a8cbb631b4ac353bdf65b27d5630146ed700fd6edbc4276f4368ebad76b772d9b84349ddc2bd6f7127c377d

Download Submit
C:\Windows\SysWOW64\IUOFJS\AUN.001

Filesize
61KB

MD5
bf311791d2f9ea9c82a8d4764a98c0d8

SHA1
405ba2bd110590abd0bf340d12e054405afb011f

SHA256
d720cf3d297743da7ab1da528f4c086a29d59ef553e1a96569b49a59831d583b

SHA512
8be092f068807767b0065de10f9da386b90d8e587356881ba3391380b953b199e818b527e74b305d7c714fc94cb6f8e66c76d89d1785fa9910aa4cb39c5cada8

Download Submit
C:\Windows\SysWOW64\IUOFJS\AUN.002

Filesize
44KB

MD5
ce365878123962c3438e349621c10198

SHA1
5b861d9fc2923c61ef390a0b729a21078aa5fd59

SHA256
ba254f6675490a045d4c85a5f46681c175c1321692c20fc808c7c244173dd63f

SHA512
efc6f143d5e9244a6635562d7e9a9cea22ab7e7b304e933642a51d66da896e9038208b86c12f6da623a01b9175e73eeb40ab600e6625db3595144bfca1231a76

Download Submit
C:\Windows\SysWOW64\IUOFJS\AUN.004

Filesize
1KB

MD5
3d2152eb753394648d75368e5d26da90

SHA1
b0492e6e5ef2693d4d0c938da37407794fb4b856

SHA256
fcee9bec173c6a8ed947e0d5640e99f8b3b3199e2e325ec3e5da8a8cd1470588

SHA512
72df4e01a806241c01c0bf643f733a046b38d6ebf6ff719d592db5a676f15e30e0307b1fa5b714026662f0ecc22c6e339b943306b4cd750f8065d1579d1bf179

Download Submit
C:\Windows\SysWOW64\IUOFJS\AUN.exe

Filesize
1.7MB

MD5
8f7590bbba70748e69612e9e2d5a9f2e

SHA1
f3ad9834bc38f33fe501b9076c65ac29d0410578

SHA256
2dec3a8fb4a5b198335e7f4a9b611194b0a081abf0c56f9df3f4e2697e69d9e4

SHA512
347e9ac793afd627e064ecdfea61c3e2b626ace0ea41928aad93a72567048b8e9bdf773f8a4a59a0d96ce8c08612c542c15982e8051828bef025fea6132838c6

Download Submit
memory/3760-6-0x0000000000CB0000-0x0000000000CB8000-memory.dmp

Filesize
32KB

Download
memory/3760-7-0x000000001C070000-0x000000001C0BC000-memory.dmp

Filesize
304KB

Download
memory/3760-0-0x00007FF80CFF5000-0x00007FF80CFF6000-memory.dmp

Filesize
4KB

Download
memory/3760-23-0x00007FF80CD40000-0x00007FF80D6E1000-memory.dmp

Filesize
9.6MB

Download
memory/3760-5-0x000000001BF10000-0x000000001BFAC000-memory.dmp

Filesize
624KB

Download
memory/3760-3-0x00007FF80CD40000-0x00007FF80D6E1000-memory.dmp

Filesize
9.6MB

Download
memory/3760-4-0x000000001B950000-0x000000001BE1E000-memory.dmp

Filesize
4.8MB

Download
memory/3760-2-0x00007FF80CD40000-0x00007FF80D6E1000-memory.dmp

Filesize
9.6MB

Download
memory/3760-1-0x000000001B3D0000-0x000000001B476000-memory.dmp

Filesize
664KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads