ardamax | d7d08a4ee7b992ddb7bc025846d2b4eccb24bfe71023b6c14405af2a8e65196f

General

Target

a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe
Size

493KB
MD5

a643d5b27e260ea4ff7c46f16dcd959b
SHA1

ffb846de6a24440b2b3f67af0dee774ed7f3fc90
SHA256

d7d08a4ee7b992ddb7bc025846d2b4eccb24bfe71023b6c14405af2a8e65196f
SHA512

abc763d21d676d8affe9178e39824b2d0dd1013d815640fd5e7017efd22dbf76e291356f37c40fd86b45f08573fee544c143ff5f13a024d8df294b92fbf538c6
SSDEEP

12288:vG739zeP9HAfZjpLIjZKiWlIKVBcUg4HmPO3RSRBg8xLUMudBS:439iP9HUZdsR5ccUfH7GrxLUMue

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/0x0007000000023426-12.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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1556	VRWT.exe

Loads dropped DLL 4 IoCs

pid	Process
4748	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe
1556	VRWT.exe
1556	VRWT.exe
1556	VRWT.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\VRWT Agent = "C:\\Windows\\SysWOW64\\28463\\VRWT.exe"	VRWT.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\VRWT.001	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\VRWT.006	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\VRWT.007	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\VRWT.exe	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	VRWT.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	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VRWT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1556	VRWT.exe
Token: SeIncBasePriorityPrivilege	1556	VRWT.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1556	VRWT.exe
1556	VRWT.exe
1556	VRWT.exe
1556	VRWT.exe
1556	VRWT.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 1556	4748	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe	92
PID 4748 wrote to memory of 1556	4748	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe	92
PID 4748 wrote to memory of 1556	4748	a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\a643d5b27e260ea4ff7c46f16dcd959b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a643d5b27e260ea4ff7c46f16dcd959b_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:4748
- C:\Windows\SysWOW64\28463\VRWT.exe
  "C:\Windows\system32\28463\VRWT.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:1556

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\@99EE.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\VRWT.001

Filesize
522B

MD5
57fd3dcf7a5a2cc22682c1a8a6b2053b

SHA1
a49fa7f28fb739f4b13abb315eb6a8a91abd8505

SHA256
7e59389f536147c3d7ff2d02d964bf64ff570bb3ac6545f7ae0c46d165322afe

SHA512
cec965ba56858a877880c15d8428ee5fff67cc9e501232928b94d0073c9add9b88a46c028f608f70daf59c5a5c16ab88b9e72e0ba65923cda1ab355a315b57dd

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

Filesize
8KB

MD5
d06046faed6ce5b6c70786ca53cd79a6

SHA1
18a945748b4aa894487530612e6aaf20c4a5d074

SHA256
fc01b2bcc8f17f707502d7fd5a14217863a1e3e00a8529c2a9e8d46f39ee1412

SHA512
96769913e2a30ccc21deaa7803013d44ae437edee2bf9fc0532055da3c4a6c5de0bb6485da46dca00caab35a43014361713d5282e0783065f9ce5a7523012e90

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

Filesize
5KB

MD5
2166b0dbd65cc3244d0a2e7695b32a40

SHA1
358e6bbd414ce534c6bf60785281928ca8abcc23

SHA256
6c97872edcb4f6af14d0650f6b9f7256d0081b1d7ff77050e56fbe1d894044d2

SHA512
45e51c7cd899eaa7187d7adee6bf89cf52b4c48908e72499afdfeaf5db5846614a9bfe60773abd551a8e89f718ad5d875cdff3f25f5a80ca219d49418157d6eb

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

Filesize
500KB

MD5
a4c7f5f230b30d5e289a092bd915952c

SHA1
db42fb8d2fdf74ddbe6789a4e4a725b41e8612cf

SHA256
531a5334e3132b0df427514b614075800d0cf0f4ada9da4c8a60632b53f3fd5d

SHA512
601475753cf9159670c544d53fbbe31fc7063cb95c905c3e1d5a9bc296482e29ff0abc3e5058f724d622c4aeaf3a35ebff75752828bd7176aae291a51713d56e

Download Submit
memory/1556-23-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/1556-27-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads