ardamax | d1b92695aee7052e3a0cc2871024e0221145c65ad7e945e789dce5e036974d6f

General

Target

JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe
Size

3.1MB
MD5

bca79b46c83dab954d737fc725c25e9b
SHA1

a6e0f8514592f279881a647779c01047dd5ef2ac
SHA256

d1b92695aee7052e3a0cc2871024e0221145c65ad7e945e789dce5e036974d6f
SHA512

3cc41ef332bd56566b5b2ff64223866a3b177355c7eda147d7a03698ea79b1444ccdd54f99fd719f8a0b33c832d68667b8c5ced50fd7852bf2352524a37a7aab
SSDEEP

98304:5fLyU/dhYySyK3pf4oFbEzeqVYs6pRbBiLOawb:YU/zpBgpf1FbyewM+LY

Score

10^/10

ardamax defense_evasion discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax
Ardamax family
ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000002430c-38.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-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	Install.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	UMXF.exe

Executes dropped EXE 5 IoCs

pid	Process
1780	Install.exe
812	idman517.exe
804	IDM1.tmp
4976	UMXF.exe
1008	UMXF.exe

Loads dropped DLL 8 IoCs

pid	Process
1780	Install.exe
4976	UMXF.exe
4976	UMXF.exe
4976	UMXF.exe
1008	UMXF.exe
1008	UMXF.exe
1008	UMXF.exe
3748	WerFault.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\UMXF Agent = "C:\\Windows\\SysWOW64\\28463\\UMXF.exe"	UMXF.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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\UMXF.001	Install.exe
File created	C:\Windows\SysWOW64\28463\UMXF.006	Install.exe
File created	C:\Windows\SysWOW64\28463\UMXF.007	Install.exe
File created	C:\Windows\SysWOW64\28463\UMXF.exe	Install.exe
File opened for modification	C:\Windows\SysWOW64\28463	UMXF.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3748	4976	WerFault.exe	98

System Location Discovery: System Language Discovery 1 TTPs 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Install.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	idman517.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IDM1.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UMXF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UMXF.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	4976	UMXF.exe
Token: SeIncBasePriorityPrivilege	4976	UMXF.exe
Token: SeIncBasePriorityPrivilege	4976	UMXF.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4976	UMXF.exe
4976	UMXF.exe
4976	UMXF.exe
4976	UMXF.exe
4976	UMXF.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 5200 wrote to memory of 1780	5200	JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe	88
PID 5200 wrote to memory of 1780	5200	JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe	88
PID 5200 wrote to memory of 1780	5200	JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe	88
PID 5200 wrote to memory of 812	5200	JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe	89
PID 5200 wrote to memory of 812	5200	JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe	89
PID 5200 wrote to memory of 812	5200	JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe	89
PID 812 wrote to memory of 804	812	idman517.exe	90
PID 812 wrote to memory of 804	812	idman517.exe	90
PID 812 wrote to memory of 804	812	idman517.exe	90
PID 1780 wrote to memory of 4976	1780	Install.exe	98
PID 1780 wrote to memory of 4976	1780	Install.exe	98
PID 1780 wrote to memory of 4976	1780	Install.exe	98
PID 4960 wrote to memory of 1008	4960	cmd.exe	101
PID 4960 wrote to memory of 1008	4960	cmd.exe	101
PID 4960 wrote to memory of 1008	4960	cmd.exe	101
PID 4976 wrote to memory of 680	4976	UMXF.exe	107
PID 4976 wrote to memory of 680	4976	UMXF.exe	107
PID 4976 wrote to memory of 680	4976	UMXF.exe	107

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bca79b46c83dab954d737fc725c25e9b.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5200
- C:\Users\Admin\AppData\Local\Temp\Install.exe
  "C:\Users\Admin\AppData\Local\Temp\Install.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:1780
- - C:\Windows\SysWOW64\28463\UMXF.exe
    "C:\Windows\system32\28463\UMXF.exe"
    3⤵
    - Checks computer location settings
    - 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
    - Suspicious use of WriteProcessMemory
    PID:4976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 1068
      4⤵
      Loads dropped DLL
      Program crash
      PID:3748
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\UMXF.exe > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:680
- C:\Users\Admin\AppData\Local\Temp\idman517.exe
  "C:\Users\Admin\AppData\Local\Temp\idman517.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:812
- - C:\Users\Admin\AppData\Local\Temp\IDM_Setup_Temp\IDM1.tmp
    "C:\Users\Admin\AppData\Local\Temp\IDM_Setup_Temp\IDM1.tmp" -d "C:\Users\Admin\AppData\Local\Temp\IDM_Setup_Temp\"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:804

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\28463\UMXF.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\28463\UMXF.exe
  C:\Windows\SysWOW64\28463\UMXF.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4976 -ip 4976
1⤵
PID:4492

Network

MITRE ATT&CK Enterprise v16

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

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\@8D0D.tmp

Filesize
4KB

MD5
ac2120f3b2fb824a5c1f3752dc944d21

SHA1
8bfbf3887103e886736e0802f88ed860a450856e

SHA256
fd9c203a32eec0afe4ab1e3ae02c68ac27649120bb3f0af68852ba487384ecaf

SHA512
474d77a27e3553aa58b394e77317a770f700f59580820741269e6c4746e664ce483a33a51baecd45ef4ac1a13e451a2c47d95c9abb79c7bc5cf902646f78c90f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IDM_Setup_Temp\IDM1.tmp

Filesize
136KB

MD5
ef082739a8f3cfddd57c1b40865bb6b1

SHA1
c1dd3cfd70480e6a93687e4a33f393f79556beac

SHA256
e85f38e96d0deb17b15c975bdd38aa5815ae3609df98e1b846bcb8f7be0fb4f1

SHA512
63c9b8c6d622dd9472f898505d50fba5c187288c88b51342284c2815d923b843e7706c626e5160ecdbb6625f946bd86225e1c20ef5b707e9bf5310d4045672c8

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

Filesize
282KB

MD5
e17d536c84d49e78db043f6f21552ee5

SHA1
b06744b1180a14f04598e06420bfce30ae23ea3d

SHA256
74bfa05359ee78a99855bd9c65c2fe26ca916aeef3472671160765fc6fad87d7

SHA512
6476cb27ab1468bb0cb8007325d770331e2d305bd57b7b47b8535cc736be4c7817811f6a089626f05c1535dd83618f05aa720791c954786bb3cce62bacc42bb6

Download Submit
C:\Users\Admin\AppData\Local\Temp\idman517.exe

Filesize
2.8MB

MD5
c896979494a66d2555f340b41e8ceb11

SHA1
9c8fc4c4a239d4de4e59575990f0445ffa073b55

SHA256
b407c7eee648ee363c0d2a6332ac2e12a981c471dcc8a40f681b59eeeb1e99c4

SHA512
f6eb3c9ada5d990552eefa0f17fa2b2cb5c8bbf3a528f45b1e94abb68fa1efee47548884dd6aaa7d200231366f982afcb9ab4d369bd86f51d013b6f1f484fe37

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

Filesize
422B

MD5
6661b1896a3e70dcd5bb1960ea55149f

SHA1
a96b535159746924e35fa995d7d2a46925958da3

SHA256
f0a2802221fa8db2ee7bd8ba1603e1bc6909de881aba82e74c0d5a068712865c

SHA512
343a64c6925c79ff1a2fb617f5b40b7c87b19ddb14b6f19113456818e6b8ea1a3acbc8664d80b3cc0a9f269ee1e0e31dab6e08e1beb56f5503e7a4fc9c572965

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

Filesize
8KB

MD5
8499922ab422c17e550a724083be50c7

SHA1
914aa24da69f9882d12d7d7cceae38de4dbcad1c

SHA256
894ff0262900acdc5b0266f75b2db829d3dec9a059f28888d5c0997d5b76db8a

SHA512
9d2e7619c7e8e459449a7f70d581ae52a1d33ba1c90b2a14812c2a44474451dc06e78a8e410aae5e7caf9306bbe739b1eeca1a1bc167498a982d9f1320dbbd1b

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

Filesize
5KB

MD5
b128c2f3eafaff6725ed554a2a21b72f

SHA1
377c206483b5348eb4b657363d29cae830be0b8c

SHA256
b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef

SHA512
3de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8

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

Filesize
513KB

MD5
0c7a714b8e1d2ead2afc90dcc43bbe18

SHA1
66736613f22771f5da5606ed8c80b572b3f5c103

SHA256
800bdf00e09f302a17e22d26dffbea037e3c077ef9f6d1d585c114f079397a9e

SHA512
35db0de86c168eb6302dcbaa1e1f9ec96b5a8814e7067e1a7bb682e9f35fc06c51148a08e6f7df1e8caeb2effde555c53966a8922e8fef6b7ce194dc81c984b4

Download Submit
memory/804-29-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/804-28-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/812-30-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/812-24-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/812-26-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/5200-25-0x0000000000400000-0x000000000071D000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads