ardamax | aa0264889b295b139d51a51097785a95a0d5ab3d0eedcc7ab4ceace71b93d9ad

General

Target
68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe
Size 494KB
Sample241022-c4c95ssbkc
SHA256 aa0264889b295b139d51a51097785a95a0d5ab3d0eedcc7ab4ceace71b93d9ad
MD5 68836743594ba7d590a760c2f6baf929
SHA1 f0253cf97b6eb145843d51f3752ec6b5a98be19d
SHA512 4da01c62d3d0a18b731f9ea89af3836059328c7d93445e8db3233942b7c059c1140e60ce9449484903c14ef758731b109c6e51cdcdf222ec3b30759e95646b5c
SSDEEP 12288:KG0xAcMmjpA00BSqrnJhQ0Y5OPj2X4mImEqxS8S3:eRMAi/Bjno0Q4jw4u/Q
MD5 SHA1 SHA512 SSDEEP

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/0x0009000000023ac6-12.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4480	TBNM.exe

Loads dropped DLL 4 IoCs

pid	Process
1176	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe
4480	TBNM.exe
4480	TBNM.exe
4480	TBNM.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\TBNM Agent = "C:\\Windows\\SysWOW64\\28463\\TBNM.exe"	TBNM.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\28463\TBNM.006	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\TBNM.007	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\TBNM.exe	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	TBNM.exe
File created	C:\Windows\SysWOW64\28463\TBNM.001	68836743594ba7d590a760c2f6baf929_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 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	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TBNM.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4480	TBNM.exe
Token: SeIncBasePriorityPrivilege	4480	TBNM.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4480	TBNM.exe
4480	TBNM.exe
4480	TBNM.exe
4480	TBNM.exe
4480	TBNM.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 4480	1176	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe	93
PID 1176 wrote to memory of 4480	1176	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe	93
PID 1176 wrote to memory of 4480	1176	68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\68836743594ba7d590a760c2f6baf929_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\68836743594ba7d590a760c2f6baf929_JaffaCakes118.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:1176
- C:\Windows\SysWOW64\28463\TBNM.exe
  "C:\Windows\system32\28463\TBNM.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:4480

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

@8702.tmp

Path C:\Users\Admin\AppData\Local\Temp\@8702.tmp
Size 4KB
SHA256 be821327fbd0d0a4b0e61f939349cfaa660a3cbcf037dd8c664a1a52372b32a5
MD5 d9cb831b02f14f8371acd33c684190fb
SHA1 5035c9ceaf35bf0c14cdc0349d1284beb0e3892b
SHA512 452d409cfd53dc8a98e7e9746d7c88e0545df024f1fe5ab81a1ecab84664b8ca7eb8d53d1c66322d49dfe74035d5e6540ad7c95b57757fe91af99bb8edab097e
SSDEEP 48:6mhtVS9tRcE2bHmIhiwNK0e+mvt55kVIPKx5M9p1GF0HIr:6+YtRmCsibWi54rU1G8s
MD5 SHA1 SHA512 SSDEEP

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AKV.exe

Path C:\Windows\SysWOW64\28463\AKV.exe
Size 405KB
SHA256 a79c4e0c6490d7319ab85d4d4a2bbf9e0c84a8e5af86b52c9ddb8779ffabb8fd
MD5 dc82dc0d160dbcb878f36801464f7caa
SHA1 ab2f476da88d018b7aa27f8bdd9f15405b49169a
SHA512 e3a8c85871026fdb15261da096aaac73236ceb5e6b60f091fa027565dc6f39ed4b9c27bb4b09d48aed6c5d849464e2e8540e1823e07d9bfbd77422d83125beed
SSDEEP 6144:5GY7cLhtigvSN1Jw1Xp1qiy0jstZbYad7n6JmtroMTMhOIv/5V0N7EvW:QecbvceXpQiy0ehd+UtrorAJ
MD5 SHA1 SHA512 SSDEEP

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TBNM.001

Path C:\Windows\SysWOW64\28463\TBNM.001
Size 550B
SHA256 8d13b85efa68bcfa93f2aad484c84d3d78a3127d68b5bde590938aa91404ece0
MD5 6e8522a2dca8c5fef17ecbcbe85989b9
SHA1 d6d8ec3e8d02890029a62dc7a5478c95ca06a83f
SHA512 af3da65a584594292cd55be877999dd060ab7d1b4ae64677dd003b8f2940abad79df3163cbdf493d2b38be5c88c9fb5691a289d0cc284ae75c445f94946a31ba
MD5 SHA1 SHA512

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TBNM.006

Path C:\Windows\SysWOW64\28463\TBNM.006
Size 8KB
SHA256 fc01b2bcc8f17f707502d7fd5a14217863a1e3e00a8529c2a9e8d46f39ee1412
MD5 d06046faed6ce5b6c70786ca53cd79a6
SHA1 18a945748b4aa894487530612e6aaf20c4a5d074
SHA512 96769913e2a30ccc21deaa7803013d44ae437edee2bf9fc0532055da3c4a6c5de0bb6485da46dca00caab35a43014361713d5282e0783065f9ce5a7523012e90
SSDEEP 192:SM3mBWtCuI31JY58VINWkoHYDH7yD6p19:SZS41JY5cb4U6p
MD5 SHA1 SHA512 SSDEEP

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TBNM.007

Path C:\Windows\SysWOW64\28463\TBNM.007
Size 5KB
SHA256 6c97872edcb4f6af14d0650f6b9f7256d0081b1d7ff77050e56fbe1d894044d2
MD5 2166b0dbd65cc3244d0a2e7695b32a40
SHA1 358e6bbd414ce534c6bf60785281928ca8abcc23
SHA512 45e51c7cd899eaa7187d7adee6bf89cf52b4c48908e72499afdfeaf5db5846614a9bfe60773abd551a8e89f718ad5d875cdff3f25f5a80ca219d49418157d6eb
SSDEEP 48:6gklbvQ+o80EE/KD4XJaKzx/aGZ1A2XBjAECi1cBaVM+kHqho0E:6gS9DMFaqhxsECiRQHqho9
MD5 SHA1 SHA512 SSDEEP

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TBNM.exe

Path C:\Windows\SysWOW64\28463\TBNM.exe
Size 500KB
SHA256 531a5334e3132b0df427514b614075800d0cf0f4ada9da4c8a60632b53f3fd5d
MD5 a4c7f5f230b30d5e289a092bd915952c
SHA1 db42fb8d2fdf74ddbe6789a4e4a725b41e8612cf
SHA512 601475753cf9159670c544d53fbbe31fc7063cb95c905c3e1d5a9bc296482e29ff0abc3e5058f724d622c4aeaf3a35ebff75752828bd7176aae291a51713d56e
SSDEEP 6144:Qz1v4paGECo9F3y0qvbQtqCdNMLAjVJIhMqR+0/5VUNZmMcAGI:gFyaGECoRqvkqkakjVrqRsXH
MD5 SHA1 SHA512 SSDEEP

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memory/4480-23-0x0000000000A70000-0x0000000000A71000-memory.dmp

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memory/4480-27-0x0000000000A70000-0x0000000000A71000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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