ardamax | ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf

General

Target

ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe
Size

1.1MB
MD5

93a90c1bd243c9374f56bbc305019ba5
SHA1

1ab2dcb3694583791b82d2503a0f2e5fe8774ef3
SHA256

ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf
SHA512

4a5a33f738ea0463c0d64c5cf88ef20c7986ed78f56705f6e65a4c8687b4532e189aaf805a457244637ed05fb8d8e929b2885d5b3519be90fa347d03534e11b3
SSDEEP

24576:VZxTFJ17kFTSNCdr+SzIAYqRavbkKlijox:VXTFfIRaCdaSdYsvjo

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 3 IoCs

resource	yara_rule
behavioral1/files/0x00070000000133e5-55.dat	family_ardamax
behavioral1/files/0x00070000000133e5-57.dat	family_ardamax
behavioral1/files/0x00070000000133e5-63.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
1016	MLM.exe

Loads dropped DLL 2 IoCs

pid	Process
2040	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe
1016	MLM.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	MLM.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MLM Start = "C:\\Windows\\SysWOW64\\SDIGDD\\MLM.exe"	MLM.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\SDIGDD\AKV.exe	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe
File created	C:\Windows\SysWOW64\SDIGDD\MLM.exe	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe
File opened for modification	C:\Windows\SysWOW64\SDIGDD\	MLM.exe
File created	C:\Windows\SysWOW64\SDIGDD\MLM.004	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe
File created	C:\Windows\SysWOW64\SDIGDD\MLM.001	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe
File created	C:\Windows\SysWOW64\SDIGDD\MLM.002	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	1016	MLM.exe
Token: SeIncBasePriorityPrivilege	1016	MLM.exe
Token: SeIncBasePriorityPrivilege	1016	MLM.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1016	MLM.exe
1016	MLM.exe
1016	MLM.exe
1016	MLM.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1016	2040	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe	28
PID 2040 wrote to memory of 1016	2040	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe	28
PID 2040 wrote to memory of 1016	2040	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe	28
PID 2040 wrote to memory of 1016	2040	ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe	28
PID 1016 wrote to memory of 1692	1016	MLM.exe	29
PID 1016 wrote to memory of 1692	1016	MLM.exe	29
PID 1016 wrote to memory of 1692	1016	MLM.exe	29
PID 1016 wrote to memory of 1692	1016	MLM.exe	29

C:\Users\Admin\AppData\Local\Temp\ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe
"C:\Users\Admin\AppData\Local\Temp\ab4cb5d80de8ed6a1791f7cb189d6fb69b0fdc6a6298d6518446d1b3abfd3cdf.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\SDIGDD\MLM.exe
  "C:\Windows\system32\SDIGDD\MLM.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1016
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\SDIGDD\MLM.exe > nul
    3⤵
    PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\SDIGDD\AKV.exe

Filesize
456KB

MD5
1f29b1075a91b3da0ccc0b9c49eece56

SHA1
048e675f087181035aedece9e7b11d065c6355cc

SHA256
4f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e

SHA512
7e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060

Download Submit
C:\Windows\SysWOW64\SDIGDD\MLM.001

Filesize
61KB

MD5
31c866d8e4448c28ae63660a0521cd92

SHA1
0e4dcb44e3c8589688b8eacdd8cc463a920baab9

SHA256
dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1

SHA512
1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

Download Submit
C:\Windows\SysWOW64\SDIGDD\MLM.002

Filesize
43KB

MD5
093e599a1281e943ce1592f61d9591af

SHA1
6896810fe9b7efe4f5ae68bf280fec637e97adf5

SHA256
1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009

SHA512
64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc

Download Submit
C:\Windows\SysWOW64\SDIGDD\MLM.004

Filesize
1KB

MD5
4c835b9bc9cfde1ba199a05fbdb031ec

SHA1
98029a6741be5b9a59531c34f59616fa697e8235

SHA256
f72f93216830a0a02556402dfe08e2a13c154ae00f2711583a1afcb9bb538a83

SHA512
c255496f8e6a102488fbdc3b502a05f826bef2da4e273548bc0eafa8947c785e7eebefdde8a67127ea31d5010036d97ef171c3657cb4e810b54c083993a1503e

Download Submit
C:\Windows\SysWOW64\SDIGDD\MLM.exe

Filesize
1.5MB

MD5
0aaffc12ef1b416b9276bdc3fdec9dff

SHA1
9f38d7cf6241d867da58f89db9ff26544314b938

SHA256
42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

SHA512
bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

Download Submit
C:\Windows\SysWOW64\SDIGDD\MLM.exe

Filesize
1.5MB

MD5
0aaffc12ef1b416b9276bdc3fdec9dff

SHA1
9f38d7cf6241d867da58f89db9ff26544314b938

SHA256
42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

SHA512
bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

Download Submit
\Windows\SysWOW64\SDIGDD\MLM.001

Filesize
61KB

MD5
31c866d8e4448c28ae63660a0521cd92

SHA1
0e4dcb44e3c8589688b8eacdd8cc463a920baab9

SHA256
dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1

SHA512
1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

Download Submit
\Windows\SysWOW64\SDIGDD\MLM.exe

Filesize
1.5MB

MD5
0aaffc12ef1b416b9276bdc3fdec9dff

SHA1
9f38d7cf6241d867da58f89db9ff26544314b938

SHA256
42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

SHA512
bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

Download Submit
memory/2040-54-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download

Analysis

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