ardamax | 683729fe8186d1dc9848d16e3989fbcb31ba7e8dccd25654ba145344fef8aaca

General

Target

38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe
Size

3.5MB
MD5

38bd506f6b0c44a714434a86fb348764
SHA1

e434fcfa78a8bfe2499b1c608f7c412fdc5cce05
SHA256

683729fe8186d1dc9848d16e3989fbcb31ba7e8dccd25654ba145344fef8aaca
SHA512

7f617b0b275e68961471bfbb3df0e32b268e9b3b5753d7843ee7b29b125205a624393ee67612a79016e53929e57456038607c0eb1c505e2262bdc7f791fa533e
SSDEEP

98304:brCo9a0ihcIFznE/gezEU7UgnBbdZeqbNXQJHcEuI4:60CccEIeYUggrt9SHNU

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/0x000a000000023b74-8.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	rpe.exe

Executes dropped EXE 3 IoCs

pid	Process
3704	MSW.exe
3588	rpe.exe
4396	UWR.exe

Loads dropped DLL 3 IoCs

pid	Process
3704	MSW.exe
3588	rpe.exe
4396	UWR.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\MSW Start = "C:\\Windows\\SysWOW64\\INUDXP\\MSW.exe"	MSW.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 11 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\KIFOJD\UWR.004	rpe.exe
File created	C:\Windows\SysWOW64\KIFOJD\AKV.exe	rpe.exe
File created	C:\Windows\SysWOW64\KIFOJD\UWR.exe	rpe.exe
File opened for modification	C:\Windows\SysWOW64\INUDXP\	MSW.exe
File created	C:\Windows\SysWOW64\INUDXP\MSW.001	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\INUDXP\MSW.002	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\INUDXP\AKV.exe	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\KIFOJD\UWR.002	rpe.exe
File created	C:\Windows\SysWOW64\INUDXP\MSW.004	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\INUDXP\MSW.exe	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\KIFOJD\UWR.001	rpe.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 4 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	MSW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UWR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3704	MSW.exe
Token: SeIncBasePriorityPrivilege	3704	MSW.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3704	MSW.exe
3704	MSW.exe
3704	MSW.exe
3704	MSW.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 3704	4588	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe	85
PID 4588 wrote to memory of 3704	4588	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe	85
PID 4588 wrote to memory of 3704	4588	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe	85
PID 4588 wrote to memory of 3588	4588	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe	86
PID 4588 wrote to memory of 3588	4588	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe	86
PID 4588 wrote to memory of 3588	4588	38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe	86
PID 3588 wrote to memory of 4396	3588	rpe.exe	87
PID 3588 wrote to memory of 4396	3588	rpe.exe	87
PID 3588 wrote to memory of 4396	3588	rpe.exe	87

C:\Users\Admin\AppData\Local\Temp\38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\38bd506f6b0c44a714434a86fb348764_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\SysWOW64\INUDXP\MSW.exe
  "C:\Windows\system32\INUDXP\MSW.exe"
  2⤵
  - 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
  PID:3704
- C:\Users\Admin\AppData\Local\Temp\rpe.exe
  "C:\Users\Admin\AppData\Local\Temp\rpe.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:3588
- - C:\Windows\SysWOW64\KIFOJD\UWR.exe
    "C:\Windows\system32\KIFOJD\UWR.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4396

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2.5MB

MD5
23fe8deacb691b4780364cc54a2e29fc

SHA1
656f60cd4331763124308efc82cd6019cf4767dc

SHA256
ab7d22b376f6d08618a2d25d399b607c6b28c8458a0aa23b1c6a4a06ca726fb7

SHA512
157aac68d290d66a983cbbe48216e1459312fb82d9ffee7807c0715c3b5439f45fba0d0b16fc7def5a3b7027686f2237f9ec470db79a3040771742c173a8dc5c

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

Filesize
456KB

MD5
1f29b1075a91b3da0ccc0b9c49eece56

SHA1
048e675f087181035aedece9e7b11d065c6355cc

SHA256
4f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e

SHA512
7e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060

Download Submit
C:\Windows\SysWOW64\INUDXP\MSW.001

Filesize
61KB

MD5
31c866d8e4448c28ae63660a0521cd92

SHA1
0e4dcb44e3c8589688b8eacdd8cc463a920baab9

SHA256
dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1

SHA512
1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

Download Submit
C:\Windows\SysWOW64\INUDXP\MSW.002

Filesize
43KB

MD5
093e599a1281e943ce1592f61d9591af

SHA1
6896810fe9b7efe4f5ae68bf280fec637e97adf5

SHA256
1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009

SHA512
64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc

Download Submit
C:\Windows\SysWOW64\INUDXP\MSW.004

Filesize
1KB

MD5
218f28bcc4d554484d6613f331b9ded3

SHA1
d7f467d48bcab8d0235ad32b28d21764e123d29b

SHA256
d013bfa8699137695f5033db19d63cef6581be484f89afcf615f9f784f4e0128

SHA512
52cd22bf7424ba0b394e6d67cd1675f00913c063fc40d8f8a74b386c019d747ad6bb431e9639bdfd1b774e80fc9aac46858b444bf3fc63ade93c255d969e418e

Download Submit
C:\Windows\SysWOW64\INUDXP\MSW.exe

Filesize
1.5MB

MD5
0aaffc12ef1b416b9276bdc3fdec9dff

SHA1
9f38d7cf6241d867da58f89db9ff26544314b938

SHA256
42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

SHA512
bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

Download Submit
memory/3704-29-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/3704-40-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads