ardamax | 1e463b79c22e1dfe47e05c412cdbb78defb5d64cf0e3b54a6888b9ae6621077e

General

Target

f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe
Size

643KB
MD5

f35ded0e3ebabef6b67f25831749b4bf
SHA1

2a5707bcbca79a1ef829dc5b7ad5a7275cdc0ace
SHA256

1e463b79c22e1dfe47e05c412cdbb78defb5d64cf0e3b54a6888b9ae6621077e
SHA512

c06c446f93df79a5e5323650f15c52793d3e20e9e49c392389f5debd81df0f7205fe291cc35a15fd3437ee79242d37aab0a13fb1543badb0fbe71101dcc21436
SSDEEP

12288:sG+9aJkF3AbV6lSdzHgtir32DpgV+8AOxt3P+MSzw1cQ:DPJUMMAdzai6dgV+4BSzw1l

Score

10^/10

ardamax defense_evasion discovery keylogger 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
behavioral2/files/0x000a000000023b79-12.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	TND.exe

Executes dropped EXE 1 IoCs

pid	Process
4152	TND.exe

Loads dropped DLL 4 IoCs

pid	Process
464	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe
4152	TND.exe
4152	TND.exe
4152	TND.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\Sys\TND.001	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys\TND.006	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys\TND.007	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys\TND.exe	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Sys	TND.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 3 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	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TND.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	4152	TND.exe
Token: SeIncBasePriorityPrivilege	4152	TND.exe
Token: SeIncBasePriorityPrivilege	4152	TND.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4152	TND.exe
4152	TND.exe
4152	TND.exe
4152	TND.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4152	464	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe	82
PID 464 wrote to memory of 4152	464	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe	82
PID 464 wrote to memory of 4152	464	f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe	82
PID 4152 wrote to memory of 2384	4152	TND.exe	92
PID 4152 wrote to memory of 2384	4152	TND.exe	92
PID 4152 wrote to memory of 2384	4152	TND.exe	92

C:\Users\Admin\AppData\Local\Temp\f35ded0e3ebabef6b67f25831749b4bf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f35ded0e3ebabef6b67f25831749b4bf_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:464
- C:\Windows\SysWOW64\Sys\TND.exe
  "C:\Windows\system32\Sys\TND.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 AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4152
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\Sys\TND.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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\@7FBF.tmp

Filesize
4KB

MD5
a9680f653434b4766fdc2a3c592af879

SHA1
fd8e999c43fa83df3144aa5bbaae73bac3834296

SHA256
30e084f531980a35b79dd36ac9ee0022d0aba792da99b3d71eea26d327db9ad3

SHA512
685fe7bbaf9fe5d140f07e9fe0f1eff0cecf8a3a4d050fe917ce8eddac3394ab7b8cea575e2d6f3dace309716662fbb5a9016850b120ea2099a00cfc848f57ac

Download Submit
C:\Windows\SysWOW64\Sys\TND.001

Filesize
3KB

MD5
4a720dbb54cb90e20ad1a6b45165f342

SHA1
5c48544c686aad9e2c97dc443d189fb050ba973a

SHA256
3f24b5875df92d45d71eb0b5734dfe3022f598d1d7c3a1f6dccd413e752560a0

SHA512
29ce1f675e9dc98a3971a81b831029a219c21f951707fda6cd6e810b9175f4be533409455e7da666f87b28b91ea9eed419482b0a75e941b3f62940d1060999f4

Download Submit
C:\Windows\SysWOW64\Sys\TND.006

Filesize
5KB

MD5
ff2bc313174a6ccfe1e0b5b1a58f0f49

SHA1
4e983cdee788faf6a13a9d5bf3f00f4a17dd6e8e

SHA256
f212c83897599d81f4010f1ef3a43e5709e874912072d38d26a5ef5644462318

SHA512
418083066ba5505267f4de91c9e439674e02645c430360dae22dfc390c33b4e0c01857634d1dcb5dc298c296a5f4130397388bceee2ad82ba0a711ab56d1bd0f

Download Submit
C:\Windows\SysWOW64\Sys\TND.007

Filesize
4KB

MD5
50c8c542dca77df82f5925b145567611

SHA1
64bdce386146e3548d3d85cf16fdd0d34cbafe2f

SHA256
0692f76ec589e517f0a5205e658ca44656322c0382cee2af53890324818b3e0f

SHA512
f7df5e9ac0c81f832e8dfe882eb1c4746f30131bef5a56947634146c813df079acd57b3fc954254684c6f4ef291802cd9629e6af3ced9be1f381fdd858a327c2

Download Submit
C:\Windows\SysWOW64\Sys\TND.exe

Filesize
459KB

MD5
4db1b69341dc88b901d85be34278a634

SHA1
0d55d2852a58b597c96c1dcec25efc961d882ba1

SHA256
c3f29e3f8b9eb7c20a0046fc105d2199dc5327a570e8c76908e44be1200fb893

SHA512
e11ee43c65179a562254cc63fda5c25ae228603bd88fd357faea2a5b49b4df11dfde5efe46544ac138d008cdffc419c793b35781ef201a9462a9eda30b52dee0

Download Submit
memory/4152-20-0x0000000000A50000-0x0000000000A51000-memory.dmp

Filesize
4KB

Download
memory/4152-26-0x0000000000A50000-0x0000000000A51000-memory.dmp

Filesize
4KB

Download

Analysis

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