ardamax | bd6a06f85be5dcd6e9058c79252b838e932bf4e8cfcb72116f618355a3384825

General

Target

54a006276191f2351076ec4765e8beea_JaffaCakes118.exe
Size

551KB
MD5

54a006276191f2351076ec4765e8beea
SHA1

6c35c414779f00532f85243290ca74126a100e77
SHA256

bd6a06f85be5dcd6e9058c79252b838e932bf4e8cfcb72116f618355a3384825
SHA512

73d6556cc374ab2387ad4757bef5d430a685c6e3a7548500f2a86e5e458059d346116b5115ca42e21b4d8d5273fcafc2161a67424f6f845c29f6744c7afd41f1
SSDEEP

12288:oGLvsA8hHx8xNn25z1UTLnCBa1eYGN4VuVdAfj8lkS8b:lDQkt2nUTD6a0vN4mdAf2k/b

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

Processes:

resource	yara_rule
behavioral2/files/0x0008000000023bde-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

Processes:

54a006276191f2351076ec4765e8beea_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

TXMB.exe

pid	Process
4632	TXMB.exe

Loads dropped DLL 4 IoCs

Processes:

54a006276191f2351076ec4765e8beea_JaffaCakes118.exeTXMB.exe

pid	Process
2504	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe
4632	TXMB.exe
4632	TXMB.exe
4632	TXMB.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXMB.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TXMB Agent = "C:\\Windows\\SysWOW64\\28463\\TXMB.exe"	TXMB.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

Processes:

54a006276191f2351076ec4765e8beea_JaffaCakes118.exeTXMB.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\TXMB.exe	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	TXMB.exe
File created	C:\Windows\SysWOW64\28463\TXMB.001	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\TXMB.006	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\TXMB.007	54a006276191f2351076ec4765e8beea_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

Processes:

54a006276191f2351076ec4765e8beea_JaffaCakes118.exeTXMB.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXMB.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TXMB.exe

description	pid	Process
Token: 33	4632	TXMB.exe
Token: SeIncBasePriorityPrivilege	4632	TXMB.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

TXMB.exe

pid	Process
4632	TXMB.exe
4632	TXMB.exe
4632	TXMB.exe
4632	TXMB.exe
4632	TXMB.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

54a006276191f2351076ec4765e8beea_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2504 wrote to memory of 4632	2504	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe	87
PID 2504 wrote to memory of 4632	2504	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe	87
PID 2504 wrote to memory of 4632	2504	54a006276191f2351076ec4765e8beea_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\54a006276191f2351076ec4765e8beea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\54a006276191f2351076ec4765e8beea_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:2504
- C:\Windows\SysWOW64\28463\TXMB.exe
  "C:\Windows\system32\28463\TXMB.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:4632

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\@B14E.tmp

Filesize
4KB

MD5
d9cb831b02f14f8371acd33c684190fb

SHA1
5035c9ceaf35bf0c14cdc0349d1284beb0e3892b

SHA256
be821327fbd0d0a4b0e61f939349cfaa660a3cbcf037dd8c664a1a52372b32a5

SHA512
452d409cfd53dc8a98e7e9746d7c88e0545df024f1fe5ab81a1ecab84664b8ca7eb8d53d1c66322d49dfe74035d5e6540ad7c95b57757fe91af99bb8edab097e

Download Submit
C:\Windows\SysWOW64\28463\AKV.exe

Filesize
405KB

MD5
dc82dc0d160dbcb878f36801464f7caa

SHA1
ab2f476da88d018b7aa27f8bdd9f15405b49169a

SHA256
a79c4e0c6490d7319ab85d4d4a2bbf9e0c84a8e5af86b52c9ddb8779ffabb8fd

SHA512
e3a8c85871026fdb15261da096aaac73236ceb5e6b60f091fa027565dc6f39ed4b9c27bb4b09d48aed6c5d849464e2e8540e1823e07d9bfbd77422d83125beed

Download Submit
C:\Windows\SysWOW64\28463\TXMB.001

Filesize
516B

MD5
403ebbae18525e3ae9cf26b9a7787c7a

SHA1
656df726c5e1c8215f8770da2d4f96e29a63c261

SHA256
72fabd7c11ca83aac3d57b6ca7499f042297907066a69f55f954ead2076eaffa

SHA512
7745e7ba88bab7d425d223a692da41490ef6e3acebb1f98ed08ef970c4f4c90ec66f80b0f93a095b50b4f075200bd2ca3179bbd8ea44e22aa9d33306a69595f7

Download Submit
C:\Windows\SysWOW64\28463\TXMB.006

Filesize
8KB

MD5
d06046faed6ce5b6c70786ca53cd79a6

SHA1
18a945748b4aa894487530612e6aaf20c4a5d074

SHA256
fc01b2bcc8f17f707502d7fd5a14217863a1e3e00a8529c2a9e8d46f39ee1412

SHA512
96769913e2a30ccc21deaa7803013d44ae437edee2bf9fc0532055da3c4a6c5de0bb6485da46dca00caab35a43014361713d5282e0783065f9ce5a7523012e90

Download Submit
C:\Windows\SysWOW64\28463\TXMB.007

Filesize
5KB

MD5
2166b0dbd65cc3244d0a2e7695b32a40

SHA1
358e6bbd414ce534c6bf60785281928ca8abcc23

SHA256
6c97872edcb4f6af14d0650f6b9f7256d0081b1d7ff77050e56fbe1d894044d2

SHA512
45e51c7cd899eaa7187d7adee6bf89cf52b4c48908e72499afdfeaf5db5846614a9bfe60773abd551a8e89f718ad5d875cdff3f25f5a80ca219d49418157d6eb

Download Submit
C:\Windows\SysWOW64\28463\TXMB.exe

Filesize
500KB

MD5
27cb1c920995b7780b7daf7bc3a29b2c

SHA1
185a109ca7c807c664a8a9f4611c4809000f5b11

SHA256
9f471900ec46bfc8113f1e088642e8f9d176c00fac57f63ce866394b2936c702

SHA512
df94e147aa51d50087989bdff2eb784d6e5418ba755b8836275f178c06d17e657b6f8822b6a759f9f566d9e6c47d9fe84b7d8158eb82bdfa1dee4c3db6b26f82

Download Submit
memory/4632-23-0x00000000020F0000-0x00000000020F1000-memory.dmp

Filesize
4KB

Download
memory/4632-27-0x00000000020F0000-0x00000000020F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads